Flights from Washington, D.C. to United Kingdom available from USD 458*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Mar 23 2026 - Mar 31 2026
From
USD 518
Viewed 16 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Mar 15 2026 - Mar 26 2026
From
USD 518
Viewed 16 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Mar 15 2026 - Mar 28 2026
From
USD 518
Viewed 16 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Mar 16 2026 - Mar 24 2026
From
USD 518
Viewed 16 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 09 2026 - Jan 17 2026
From
USD 543
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 19 2026 - Jan 26 2026
From
USD 543
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 17 2026 - Mar 23 2026
From
USD 540
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 20 2026 - Mar 24 2026
From
USD 540
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 20 2026 - Mar 23 2026
From
USD 540
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 16 2026 - Mar 24 2026
From
USD 540
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Feb 05 2026 - Feb 12 2026
From
USD 458
Viewed 22 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Edinburgh (EDI)
Jan 15 2026 - Jan 20 2026
From
USD 2,572
Viewed 1 day 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.

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 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)Glasgow (GLA)Round trip
/
Economy		Mar 24 2026 - Mar 29 2026

From

USD 518

Viewed 16 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Mar 20 2026 - Mar 23 2026

From

USD 540

Viewed 12 hrs ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Sep 16 2026 - Sep 30 2026

From

USD 650

Viewed 18 hrs ago

Washington, D.C. (IAD)Edinburgh (EDI)Round trip
/
Economy		Apr 02 2026 - Apr 14 2026

From

USD 851

Viewed 6 hrs ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Mar 20 2026 - Mar 31 2026

From

USD 523

Viewed 20 hrs ago

Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		May 04 2026 - May 09 2026

From

USD 571

Viewed 18 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.