Flights from Washington, D.C. to London available from USD 558*

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

Mar 2025
FromUSD 615*
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)
Apr 26 2025 - May 03 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 26 2025 - May 06 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 27 2025 - May 01 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 27 2025 - May 10 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 27 2025 - May 13 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 27 2025 - May 15 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 28 2025 - May 03 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Apr 28 2025 - May 06 2025
From
USD 575*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
May 27 2025 - May 31 2025
From
USD 558*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Apr 24 2025 - Apr 29 2025
From
USD 571*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jun 04 2025 - Jun 11 2025
From
USD 635*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jun 07 2025 - Jun 13 2025
From
USD 636*
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
Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Dec 12 2025 - Jan 10 2026

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 20 2025 - Dec 04 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 20 2025 - Dec 07 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 20 2025 - Dec 10 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 20 2025 - Dec 12 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 20 2025 - Dec 13 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 21 2025 - Nov 28 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 21 2025 - Dec 04 2025

From

USD 569*

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 21 2025 - Dec 08 2025

From

USD 569*

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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