Flights from Washington, D.C. to London available from USD 554*

Our best rates from Washington, D.C. to London

Nov 2024
FromUSD 567*
Fare: Round trip/Economy
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*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

Fly in the next three months: flights from Washington, D.C. to London

USD

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Feb 28 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 02 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 03 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 04 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 06 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 11 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 12 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Feb 11 2025 - Mar 14 2025
From
USD 554*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Feb 11 2025 - Feb 20 2025
From
USD 559*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 16 2025 - Jan 20 2025
From
USD 574*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 16 2025 - Jan 23 2025
From
USD 654*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Dec 15 2024 - Jan 10 2025
From
USD 679*
Round trip
/
Economy

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

 

Blue image with a map of Iceland and text that reads: Include a little more of Iceland in your journey. Add a Stopover

Plan ahead for your trip from Washington, D.C. to London with Icelandair

USD
Plan ahead for your trip from Washington, D.C. to London with Icelandair
From
To
Fare type
Dates
Price
FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		May 26 2025 - Jun 24 2025

From

USD 563*

Viewed 9 hrs ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Jul 25 2025 - Aug 06 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Jul 21 2025 - Jul 31 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Aug 21 2025 - Sep 09 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Aug 25 2025 - Sep 14 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Aug 08 2025 - Aug 10 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Aug 17 2025 - Aug 29 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Aug 10 2025 - Aug 16 2025

From

USD 554*

Viewed 1 day ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Jul 29 2025 - Aug 11 2025

From

USD 554*

Viewed 1 day ago

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

Flights from Washington, D.C. to London

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.

 

FAQs about travel from Washington, D.C. to London

Helpful information for travelers visiting London

What is the distance from Washington, D.C. to London, UK?

The distance between Washington Dulles International Airport (IAD) and London Heathrow Airport (LHR), is approximately 5,900 km or 3,700 miles.

How long is the flight from Washington, D.C. to London?

The Washington, D.C. to London flight time is usually around 7 hours 20 minutes. However, this does not account for any stopovers on your journey. Icelandair passengers traveling from Washington, D.C. to London will have a layover at Keflavík, so you can stretch your legs and get some fresh air.

How can I find cheap flights from Washington, D.C. to London?

Booking your flights during London’s off-season (January-April and September-November) can help you find cheap tickets from Washington, D.C. to London. For our latest offers, check out our latest flight deals.

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