Flights from Washington, D.C. to United Kingdom available from USD 466*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

London (LHR)
Oct 01 2026 - Oct 04 2026
From
USD 538
Viewed 17 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Oct 01 2026 - Oct 07 2026
From
USD 540
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Sep 12 2026 - Sep 19 2026
From
USD 553
Viewed 8 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Oct 03 2026 - Oct 28 2026
From
USD 466
Viewed 23 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Sep 09 2026 - Sep 22 2026
From
USD 629
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Sep 05 2026 - Sep 18 2026
From
USD 774
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Jul 22 2026 - Nov 18 2026
From
USD 887
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Oct 07 2026 - Oct 28 2026
From
USD 466
Viewed 2 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Oct 07 2026 - Oct 29 2026
From
USD 466
Viewed 2 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Oct 07 2026 - Nov 02 2026
From
USD 466
Viewed 2 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Oct 07 2026 - Nov 04 2026
From
USD 466
Viewed 2 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Edinburgh (EDI)
Sep 14 2026 - Sep 25 2026
From
USD 670
Viewed 5 hrs ago
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.

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

USD
Plan ahead for your trip from Washington, D.C. to United Kingdom with Icelandair
From
To
Fare type
Dates
Price
Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		Dec 06 2026 - Dec 13 2026

From

USD 466

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Dec 12 2026 - Dec 16 2026

From

USD 466

Viewed 2 hrs ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Oct 24 2026 - Oct 31 2026

From

USD 538

Viewed 2 days ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Oct 23 2026 - Nov 05 2026

From

USD 648

Viewed 2 days ago

Washington, D.C. (IAD)Edinburgh (EDI)Round trip
/
Economy		Oct 15 2026 - Oct 20 2026

From

USD 656

Viewed 2 days ago

Washington, D.C. (IAD)Glasgow (GLA)Round trip
/
Economy		Oct 23 2026 - Nov 02 2026

From

USD 725

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.