Cheap Flights from Las Vegas to London (LAS-LHR) Prices were available within the past 7 days and start at $405 for one-way flights and $498 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Las Vegas to London with no change fee on selected flights.Tue, 5 Nov LTN - BWI with easyJet. 1 stop. Tue, 12 Nov BWI - LTN with Fly Play. 1 stop. from £279. Washington D.C.. £296 per passenger.Departing Tue, 26 Nov, returning Wed, 4 Dec.Return flight with easyJet and Fly Play.Outbound indirect flight with easyJet, departs from London Luton on Tue, 26 Nov, arriving in Washington Dulles.Inbound ...Discover our lowest fares by route. Orlando - London. New York - London. Miami - London. Los Angeles - London. Las Vegas - London. Enjoy cheap flights to London in comfort, with our flexible flight schedule that gets you there quickly and safely. Book your cheap flight to London today.Find flights to New Delhi from $385. Fly from Washington, D.C. on American Airlines, Delta, Qatar Airways and more. Search for New Delhi flights on KAYAK now to find the best deal. The cheapest month for flights from Washington, D.C. to London Gatwick Airport is October, where tickets cost $509 on average. On the other hand, the most expensive months are June and February, where the average cost of tickets is $921 and $836 respectively. Amex, Bilt, Chase, and Citi and transfer at a 1:1 ratio, while Marriott Bonvoy transfers at a 3:1 ratio with a 5,000-mile bonus for every 60,000 Marriott Bonvoy points transferred. Amex, Bilt, Chase, and Citi transfer almost instantly. Marriott Bonvoy will take around 1 business day to transfer points to Flying Club.Search and compare business class flight deals to London. Fly from New York from $1,842, from Newark from $1,849, from Washington, D.C. from $1,940. Book your business class tickets to London. Prices were available within the past 7 days and start at $429 for one-way flights and $608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Apr 24 - Tue, Apr 30. IAD. Washington. Direct (non-stop) flights from Dulles to London. All flight schedules from Washington Dulles International , Virginia , USA to Heathrow, United Kingdom . This route is operated by 3 airline (s), and the flight time is 8 hours and … Book our best prices between Washington, D.C. and London within the next 6 months. Virgin Atlantic is incredibly proud to have been awarded Diamond status in Health and Safety by APEX and Simpliflying. This is the highest standard possible, and shows our unwavering commitment to keeping our staff and customers safe and sound throughout the ... Cheap Flights from IAD to LHR starting at $259 One Way, $479 Round Trip. Prices starting at $479 for return flights and $259 for one-way flights to Heathrow were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, Oct 16 - Wed, Oct 23.Subway to Washington Dulles, fly to London Heathrow • 10h 42m. Take the subway from Metro Center, Blue/Orange/Silver Line Center Platform to Washington Dulles International Airport, Silver Line Center Platform. Fly from Washington Dulles (IAD) to London Heathrow (LHR) IAD - LHR. £237 - £892. First Class flights to London. $2,491. Business Class flights to London. $1,629. Prem Econ Class flights to London. $576. Economy Class flights to London. Use Google Flights to find cheap departing flights to London and to track prices for specific travel dates for your next getaway. Find the best flights fast, track prices, and … Find the lowest prices on one-way and return tickets right here. London. £359 per passenger.Departing Wed, 5 Mar, returning Wed, 12 Mar.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 5 Mar, arriving in London Heathrow.Inbound indirect flight with Scandinavian ... Discover our lowest fares by route. Orlando - London. New York - London. Miami - London. Los Angeles - London. Las Vegas - London. Enjoy cheap flights to London in comfort, with our flexible flight schedule that gets you there quickly and safely. Book your cheap flight to London today. Our data shows that the cheapest route for a one-way flight from London Heathrow Airport to Washington, D.C. cost $655 and was between London Heathrow Airport and Washington, D.C. Dulles Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $712. For travel between the United States and Canada, $35 USD fee for 1 checked bag and $45 USD fee for second checked bag. For travel between the United States and the U.S. Virgin Islands, Central America (excluding El Salvador and Panama), Caribbean, Guyana or Bermuda, $35 USD fee for 1 checked bag and $45 USD fee for second checked bag. 4 airports. The best one-way flight to London from Washington, D.C. in the past 72 hours is $194. The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $374. The fastest flight from Washington, D.C. to London takes 7h 05m. Flights from Washington, D.C. to London. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Washington, D.C. to London. Find the... Book flights to London and beyond. Don’t forget your camera when you arrive in England’s iconic capital. Centuries of history and culture shape this city, from Big Ben’s towering clock face to Buckingham Palace’s royal postcode. Our data shows that the cheapest route for a one-way flight from Washington, D.C. Dulles Intl Airport to London cost $432 and was between Washington, D.C. Dulles Intl Airport and London Heathrow Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $547. Flights from Washington DC (IAD) to London Heathrow (LHR), low-cost direct flights and cheap flight offers on the route Washington DC (IAD) London Heathrow (LHR) from $456 (price correct on 08/04/24). Book cheap tickets for direct flights online.Apr 18, 2024 · United Kingdom. Flights from Washington-DC (WAS) to London (LON), low-cost direct flights and cheap flight offers on the route Washington-DC (WAS) London (LON) from $434 (price correct on 01/21/24). Book cheap tickets for direct flights online. Find cheap flights from Washington, D.C. to London Gatwick Airport from $283. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search hundreds of travel …The two airlines most popular with KAYAK users for flights from London to Washington, D.C. are Finnair and Virgin Atlantic. With an average price for the route of £579 and an overall rating of 7.7, Finnair is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of £609 and an overall rating of 7.7.There are 3 airlines that fly direct from London to Washington, D.C. Dulles Intl Airport. They are: British Airways, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Virgin Atlantic at £386 for a one-way flight. On average, the best prices for this route can be found at British Airways. The cheapest month for flights from Washington, D.C. to London Gatwick Airport is October, where tickets cost $509 on average. On the other hand, the most expensive months are June and February, where the average cost of tickets is $921 and $836 respectively. Direct. from £31. London. £33 per passenger.Departing Tue, 23 Apr, returning Sat, 11 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Barcelona on Tue, 23 Apr, arriving in London Stansted.Inbound direct flight with Ryanair departs from London Luton on Sat, 11 May, arriving in Barcelona.Price includes taxes and ... Find cheap flights from Florida to London from. $353. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. Flights to London Heathrow Heathrow Airport welcomes over 200,000 passengers on an average day, making it the biggest airport in London and the seventh busiest in the world. Located just 24 kilometers (15 mi) off the west of Central London, you can easily reach Heathrow Airport by road and public transport.For travel between the United States and Canada, $35 USD fee for 1 checked bag and $45 USD fee for second checked bag. For travel between the United States and the U.S. Virgin Islands, Central America (excluding El Salvador and Panama), Caribbean, Guyana or Bermuda, $35 USD fee for 1 checked bag and $45 USD fee for second checked bag.Flying time from Washington, DC to LHR. The total flight duration from Washington, DC to LHR is 7 hours, 49 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds. Prices were available within the past 7 days and start at $429 for one-way flights and $608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Apr 24 - Tue, Apr 30. IAD. Washington. Discover flights from Washington, D.C. with Virgin Atlantic. With fares from $537, we offer a great choice of food, drinks and onboard entertainment & WiFi. ... To London (LON) Round trip / Economy: 09/23/2024 - 10/03/2024: Starting from. $559* Seen: 1 day ago. From Washington, D.C. (WAS) To London (LHR) Round trip / Economy:from £276. Washington D.C.. £279 per passenger.Departing Thu, 5 Dec, returning Mon, 9 Dec.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from London Stansted on Thu, 5 Dec, arriving in Washington Dulles.Inbound indirect flight with Fly Play, departs from Washington Dulles on Mon, 9 Dec, arriving in London Stansted ...Use Google Flights to plan your next trip and find cheap one way or round trip flights from New York to London. Find the best flights fast, track prices, and book with confidence.Six-part thriller set on the red eye flight from London to Beijing. Whilst escorting a doctor being renditioned, an incident on-board leads DC Hana Li to uncover …Find cheap flights from Washington, D.C. to London from £139. Return. 1 adult. Economy. 0 bags. Add hotel. Sat 18/5. Sat 25/5. Search. Direct flights only. Search hundreds of …The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $374. The fastest flight from Washington, D.C. to …Search and compare business class flight deals to London. Fly from New York from $1,842, from Newark from $1,849, from Washington, D.C. from $1,940. Book your business class tickets to London.United States ». Pennsylvania. £607. Flights from Harrisburg to London. £414. Flights from Philadelphia to London. £433. Flights from Pittsburgh to London. £835.Great Circle Map. Great Circle Map displays the shortest route between airports and calculates the distance. It draws geodesic flight paths on top of Google maps, so you can create your own route map.Cheap Flights from Boston to London (BOS-LHR) Prices were available within the past 7 days and start at $243 for one-way flights and $415 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to London with no change fee on selected flights.British Prime Minister Rishi Sunak speaks at a press conference at Downing Street, in London, Monday, April 22, 2024. Sunak pledged Monday that the country’s …Flights from Washington to London. Flights to London. England. United Kingdom. Flights. Orbitz.com. $201 Cheap flight deals from Washington (WAS) to London (LON) … Our data shows that the cheapest route for a one-way flight from Washington, D.C. to London cost $427 and was between Baltimore and London Heathrow Airport. On average, the best prices are found if you fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport. British Airways A380 First Class London to Washington DC Review. 1A 19 July 2023. With some Avios and a companion voucher to burn, we thought it’d be nice reason to fly on the British Airways A380 in First to visit Washington D.C and the Virginia area. Because of a delay, we were able to spend additional time in the Concorde Room …The two airlines most popular with KAYAK users for flights from Amsterdam to London are KLM and easyJet. With an average price for the route of $220 and an overall rating of 7.8, KLM is the most popular choice. easyJet is also a great choice for the route, with an average price of $123 and an overall rating of 6.9.Find cheap flights from Washington, D.C. (IAD) to London (LHR) with United Airlines. Compare prices, dates, and fares for roundtrip economy flights from $573*.The two airlines most popular with KAYAK users for flights from London to Washington, D.C. are Delta and Virgin Atlantic. With an average price for the route of $782 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $750 and an overall rating of 7.7.Compare Washington D.C. to London flight deals. Find the cheapest month or even day of the year to fly to London. Book the best London fare with no extra fees. Flight deals …Find cheap flights from Washington Dulles Airport to London from $212. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. …United. UAL919. B772. Arrived / Gate Arrival. Fri 12:15PM BST. 03:20PM EDT Fri. London Heathrow (EGLL) - Washington Dulles Intl (KIAD) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.British Airways will increase the frequency of flights between San Diego and London from one flight per day to two, it was announced Tuesday. Since San Diego …return. £1010. Find more flights to the Far East & Australia. Browse British Airways for flights to 170 destinations worldwide. Search and book flights from London Heathrow, London Gatwick or London City airports today.Direct (non-stop) flights from Dulles to London. All flight schedules from Washington Dulles International , Virginia , USA to Heathrow, United Kingdom . This route is operated by 3 airline (s), and the flight time is 8 hours and …Cheap Flights from Washington to London (IAD-LON) Prices were available within the past 7 days and start at $212 for one-way flights and $378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to London with no change fee on selected ...RELATED: Flight time from London to Washington, DC. Non-stop flights take anywhere between 7 hours to 17 hours . Quickest one-stop flight takes close to 10 hours. However, some airlines could take as long as 40 hours based on …Jan 28, 2024 · Find airfare and ticket deals for cheap flights from Washington, D.C., DC to London Heathrow Airport (LHR). Search flight deals from various travel partners with one click at $235. The New York to London return flight time is approximately 8 hours and 10 minutes. New York to London Flights - Distance. New York to London flights have a flight distance of around 5586 km or 3,471 miles. This is a rather lengthy flight, but it's not the longest flight. Departure and Arrival AirportsThere are 5 airlines that fly nonstop from Boston to London. They are: American Airlines, British Airways, Delta, JetBlue and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Virgin Atlantic at $372 for a one-way flight.On average, a flight to London Heathrow Airport costs $812. The cheapest price found on KAYAK in the last 2 weeks cost $338 and departed from Boston. The most popular routes on KAYAK are New York to London Heathrow Airport which costs $752 on average, and Los Angeles to London Heathrow Airport, which costs $928 on average. See prices from:The best round-trip flight deal from Washington, D.C. to London found on momondo in the last 72 hours is $374. The fastest flight from Washington, D.C. to …United States ». Michigan. Flights from Detroit Metropolitan Wayne County Airport to London. $716. Flights from Grand Rapids to London. $688. Flights from Traverse City to London.Cheap Flights from Washington to London (DCA-LGW) Prices were available within the past 7 days and start at $369 for one-way flights and $494 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to London with no change fee on selected ...Amex, Bilt, Chase, and Citi and transfer at a 1:1 ratio, while Marriott Bonvoy transfers at a 3:1 ratio with a 5,000-mile bonus for every 60,000 Marriott Bonvoy points transferred. Amex, Bilt, Chase, and Citi transfer almost instantly. Marriott Bonvoy will take around 1 business day to transfer points to Flying Club.For travel between the United States and Canada, $35 USD fee for 1 checked bag and $45 USD fee for second checked bag. For travel between the United States and the U.S. Virgin Islands, Central America (excluding El Salvador and Panama), Caribbean, Guyana or Bermuda, $35 USD fee for 1 checked bag and $45 USD fee for second checked bag.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Cheap Flights from Washington to London (DCA-LCY) Prices were available within the past 7 days and start at $440 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to London with no change fee on selected ...Photo by Davide D'Amico/Flickr. 1. The cheapest time to book a flight to London is at least 13 days, saving up to $820. If you choose to fly to London's biggest airport, London Heathrow, then you'll land the best deal by booking around 13 days in advance, when you can save up to $820 relative to the face value of a ticket bought on …1 stop. Sat, Jan 11 STN – BWI with Fly Play. 1 stop. from $396. London.$397 per passenger.Departing Wed, Mar 12, returning Wed, Mar 19.Round-trip flight with Fly Play.Outbound indirect flight with Fly Play, departing from Baltimore Washington International on Wed, Mar 12, arriving in London Stansted.Inbound indirect flight with …return. £1010. Find more flights to the Far East & Australia. Browse British Airways for flights to 170 destinations worldwide. Search and book flights from London Heathrow, London Gatwick or London City airports today.United. UAL919. B772. Arrived / Gate Arrival. Fri 12:15PM BST. 03:20PM EDT Fri. London Heathrow (EGLL) - Washington Dulles Intl (KIAD) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination. The cheapest month for flights from Washington, D.C. Reagan-National Airport to London is February, where tickets cost $586 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $918 and $847 respectively. To United Kingdom. Washington, D.C. - London. Looking for cheap flights from Washington, D.C. to London? Look no further and check out our best prices on flights from Washington, D.C. to London.Virgin Atlantic flight deals. To United Kingdom. Washington, D.C. - London. Book our best prices between Washington, D.C. and London within the next 6 months. From. …Use Google Flights to find cheap departing flights to London and to track prices for specific travel dates for your next getaway. Find the best flights fast, track prices, and … The cheapest month for flights from Washington, D.C. to London Gatwick Airport is October, where tickets cost $509 on average. On the other hand, the most expensive months are June and February, where the average cost of tickets is $921 and $836 respectively. The two airlines most popular with KAYAK users for flights from Washington, D.C. to London are Delta and Virgin Atlantic. With an average price for the route of $795 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $792 and an overall rating of 7.7. Flight deals from Washington, D.C. to London. Looking for a cheap last-minute deal or the best round-trip flight from Washington, D.C. to London? Find the lowest prices on one …The two airlines most popular with KAYAK users for flights from Washington, D.C. to Cairo are Qatar Airways and SAUDIA. With an average price for the route of $905 and an overall rating of 7.7, Qatar Airways is the most popular choice. SAUDIA is also a great choice for the route, with an average price of $793 and an overall rating of 7.5. Airfares from $201 One Way, $363 Round Trip from Washington to London. Prices starting at $363 for return flights and $201 for one-way flights to London were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, Nov 12 - Wed, Nov 20. IAD. Washington. Book flights to Washington. One of the most visited cities in the USA, Washington is home to many of the country’s most iconic sights. Visit the stately White House and the towering Lincoln Memorial, then discover D.C’s countless museums and world-class art scene – it’s hard to fit it all in into just one trip.Cheap flights to London. Roundtrip One way Multi-city. Depart. 28/04/2024. Return. 05/05/2024. Travelers and cabin class. 1 adult, Economy. Direct flights only. The cheapest month for flights from Washington, D.C. Reagan-National Airport to London Heathrow Airport is February, where tickets cost $609 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,134 and $1,039 respectively. Experience England’s iconic, eclectic capital with our flights from Washington, D.C. to London. With some of the shortest transatlantic flight times and cozy blankets and pillows onboard, you’ll arrive refreshed and ready to take in the city. Plus, with Wi-Fi available across most of our fleet, you can stay connected in the clouds. Cheap flights from Washington, D.C. (WAS) to London (LON) from $199. From? To? Round-trip One-way. Tue 4/23. Tue 4/30. 1 adult, Economy. Find deals. We …Mar 25, 2024 · Cheap Flights from IAD to LHR starting at $259 One Way, $479 Round Trip. Prices starting at $479 for return flights and $259 for one-way flights to Heathrow were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, Oct 16 - Wed, Oct 23. Washington to London Heathrow Flights. Flights from IAD to LHR are operated 26 times a week, with an average of 4 flights per day. Departure times vary between 08:25 - 23:05. The earliest flight departs at 08:25, the last flight departs at 23:05. However, this depends on the date you are flying so please check with the full flight schedule ...Cheap Flights from Washington to London (DCA-LCY) Prices were available within the past 7 days and start at $440 for one-way flights and $646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Washington to London with no change fee on selected ...
RELATED: Flight time from London to Washington, DC. Non-stop flights take anywhere between 7 hours to 17 hours . Quickest one-stop flight takes close to 10 hours. However, some airlines could take as long as 40 hours based on …. Picture organizer
On average, a flight to London Heathrow Airport costs $812. The cheapest price found on KAYAK in the last 2 weeks cost $338 and departed from Boston. The most popular routes on KAYAK are New York to London Heathrow Airport which costs $752 on average, and Los Angeles to London Heathrow Airport, which costs $928 on average. See prices from:Kentucky. $262. Flights to Lexington, Kentucky. $123. Flights to Louisville, Kentucky. Find flights to Kentucky from $64. Fly from Washington, D.C. on Spirit Airlines, American Airlines, Delta and more. Search for Kentucky flights on KAYAK now to find the best deal.The two airlines most popular with KAYAK users for flights from New York to London are Delta and Virgin Atlantic. With an average price for the route of $655 and an overall rating of 8.0, Delta is the most popular choice. Virgin Atlantic is also a great choice for the route, with an average price of $650 and an overall rating of 7.7.United States ». Pennsylvania. £607. Flights from Harrisburg to London. £414. Flights from Philadelphia to London. £433. Flights from Pittsburgh to London. £835.Cheap flights from London to Washington DC from £259.99. London (United Kingdom) - Washington DC (United States) return flights from £616.99. From 25/09/2024 (Wednesday) - 01/10/2024 (Tuesday). Check for the dates with … Our data shows that the cheapest route for a one-way flight from Washington, D.C. Dulles Intl Airport to London cost $432 and was between Washington, D.C. Dulles Intl Airport and London Heathrow Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $547. Find airfare and ticket deals for cheap flights from Massachusetts (MA) to London, England. Search flight deals from various travel partners with one click at $204.Cheap flights from London to Washington DC from £259.99. London (United Kingdom) - Washington DC (United States) return flights from £616.99. From 25/09/2024 (Wednesday) - 01/10/2024 (Tuesday). Check for the dates with …Severe disruptions are expected at French airports, with a major union strike imminent. Local media reports up to 70 per cent of flights in and out of France could be …Air France offers many daily flights from major US airports to London (and direct flights with our partner, Delta Airlines). You may reserve plane tickets to London on airfrance.us and benefit from many services from our company. You can also put an option on your tickets before purchasing them or check-in online (30 hours before departure). Our data shows that the cheapest route for a one-way flight from London Heathrow Airport to Washington, D.C. cost $655 and was between London Heathrow Airport and Washington, D.C. Dulles Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $712. Flying time from Washington, DC to LHR. The total flight duration from Washington, DC to LHR is 7 hours, 49 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds.United States ». Pennsylvania. £607. Flights from Harrisburg to London. £414. Flights from Philadelphia to London. £433. Flights from Pittsburgh to London. £835.There are a total of 99 direct flights from Washington Dc to London. For travelers seeking convenience and shorter travel times, this data is important when choosing flight options. Q. Which is the low season to travel from Washington Dc to London? A. October is considered the low season for traveling from Washington Dc to London, United Kingdom.Photo by Davide D'Amico/Flickr. 1. The cheapest time to book a flight to London is at least 13 days, saving up to $820. If you choose to fly to London's biggest airport, London Heathrow, then you'll land the best deal by booking around 13 days in advance, when you can save up to $820 relative to the face value of a ticket bought on …The New York to London return flight time is approximately 8 hours and 10 minutes. New York to London Flights - Distance. New York to London flights have a flight distance of around 5586 km or 3,471 miles. This is a rather lengthy flight, but it's not the longest flight. Departure and Arrival AirportsRELATED: Flight time from London to Washington, DC. Non-stop flights take anywhere between 7 hours to 17 hours . Quickest one-stop flight takes close to 10 hours. However, some airlines could take as long as 40 hours based on …from £276. Washington D.C.. £279 per passenger.Departing Thu, 5 Dec, returning Mon, 9 Dec.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from London Stansted on Thu, 5 Dec, arriving in Washington Dulles.Inbound indirect flight with Fly Play, departs from Washington Dulles on Mon, 9 Dec, arriving in London Stansted ....