Flights from Washington, D.C. to London

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

Feb 2025
FromUSD 601*
Fare: Round trip/Economy
Displaying fares for February-2025
11

Tue

FEB

12

Wed

13

Thu

14

Fri

15

Sat

16

Sun

17

Mon

18

Tue

19

Wed

20

Thu

21

Fri

22

Sat

23

Sun

24

Mon

25

Tue

26

Wed

27

Thu

28

Fri

01

Sat

MAR

02

Sun

03

Mon

04

Tue

05

Wed

06

Thu

07

Fri

08

Sat

09

Sun

10

Mon

*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)
Mar 18 2025 - Mar 25 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 10 2025 - Mar 19 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 10 2025 - Mar 27 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 11 2025 - Mar 27 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 12 2025 - Mar 19 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 12 2025 - Mar 20 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 12 2025 - Mar 25 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 12 2025 - Mar 27 2025
From
USD 533*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Mar 16 2025 - Mar 20 2025
From
USD 537*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Mar 03 2025 - Mar 12 2025
From
USD 591*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
May 10 2025 - May 16 2025
From
USD 591*
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
May 01 2025 - May 12 2025
From
USD 479*
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		Oct 24 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Sep 30 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 01 2025 - Oct 11 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 03 2025 - Oct 11 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 05 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 09 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 10 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 02 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes ago

FromWashington, D.C. (IAD)ToLondon (LON)Round trip
/
Economy		Oct 03 2025 - Oct 31 2025

From

USD 537*

Viewed 11 minutes 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.

Other people also looked at