Flights from Washington, D.C. to London available from USD 568*

Promo code

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

*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 (LHR)
Nov 18 2025 - Nov 22 2025
From
USD 572
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Nov 10 2025 - Nov 18 2025
From
USD 572
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Nov 30 2025 - Dec 04 2025
From
USD 572
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Dec 07 2025 - Dec 12 2025
From
USD 646
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Nov 11 2025 - Nov 15 2025
From
USD 701
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Oct 15 2025 - Nov 05 2025
From
USD 751
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Oct 31 2025 - Nov 08 2025
From
USD 974
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Oct 15 2025 - Oct 26 2025
From
USD 1,515
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Dec 11 2025 - Jan 09 2026
From
USD 568
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Dec 12 2025 - Jan 09 2026
From
USD 568
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Dec 07 2025 - Dec 11 2025
From
USD 568
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Dec 09 2025 - Jan 09 2026
From
USD 568
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 (LHR)Round trip
/
Economy		May 31 2026 - Jun 05 2026

From

USD 1,312

Viewed 1 day ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Jul 13 2026 - Jul 18 2026

From

USD 2,407

Viewed 21 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 24 2026 - Apr 28 2026

From

USD 584

Viewed 11 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 23 2026 - Apr 28 2026

From

USD 584

Viewed 11 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 24 2026 - Apr 30 2026

From

USD 584

Viewed 11 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 25 2026 - Apr 30 2026

From

USD 584

Viewed 11 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 26 2026 - Apr 30 2026

From

USD 584

Viewed 11 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 23 2026 - Apr 30 2026

From

USD 584

Viewed 11 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Apr 07 2026 - Apr 30 2026

From

USD 585

Viewed 11 hrs 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.