AED1,041 Cheap Flights from Washington (IAD) to London (LHR)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Heathrow Airport (LHR)

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Cheap Flights from Washington to London (IAD-LHR)

Prices were available within the past 7 days and start at AED1,041 for one-way flights and AED2,910 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
United
Virgin Atlantic
Delta
United
British Airways
Swiss International Air Lines
Lufthansa
Air Canada
KLM

Frequently asked questions

How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Heathrow Airport (LHR)?
With United Airlines, a direct flight takes around 7 hours and 15 minutes. Step on board the 10:25PM flight from IAD and land at LHR at 10:40AM. Snap up an amazing deal on this and other routes when you use Expedia to book your journey.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to LHR last minute?
Booking your journey from IAD to London Heathrow at the last minute could save you some dough if you get lucky and find an awesome deal. However, fares usually don't drop in price as the date of departure nears. If you choose to wait, flights could also be booked out or the best seats gone (that could mean the middle seat!). If you don't want to hedge your bets, book well ahead of your departure date. Note that some of the biggest deals can be found up to a year in advance. If your favorite carrier hasn't released its airfares yet, check back regularly as deals are updated on Expedia constantly.
What airline has the least delays from Dulles Intl. Airport to London Heathrow?
Recording an on-time performance of 78%, United Airlines is the carrier that's likelier to fly you from IAD to Heathrow Airport (LHR) on schedule. Flight delays can be a nice excuse to relax in the airport lounge. However, they can also lead to a missed connection that upends your entire trip. You can keep updated by reviewing your flight status through the Expedia App before you head for the airport. If you're already there and the delay will significantly impact your plans, visit your airline's customer service desk to work out your next move.
What airports do you fly into for London from Washington?
With Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW) to choose from, flying from Washington to London is a breeze. The city's major gateway, Heathrow Airport (LHR), is around 23 kilometers west of the downtown area. Apart from ticket prices, consider things like bus or train options from the airport and the distance to your hotel when choosing where to fly into. Get your London trip off to a terrific start by discovering Big Ben and Buckingham Palace.
What are the most popular departure times for flights from IAD to London Heathrow?
For British Airways flights from IAD to Heathrow Airport, the most popular departure times are between 5:00 PM - 6:00 PM. If you want to avoid delays, head off in the morning. This way you can avoid air traffic that builds up around airports in the afternoon.
Can I change the date of my flight from Washington Dulles Intl. Airport (IAD) to LHR?
It's a cinch to make amendments to your Washington Dulles Intl. Airport (IAD) to Heathrow Airport journey yourself. Simply go to the Expedia Trips portal and choose "change flight." Look for new flights and book the one that fits your plans. You'll get an estimate of your flight change cost, if applicable. You can also find your way to our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
AED2,910
Distance
5866 km
Average flight time
12 hours 27 mins

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