Flights from Washington, D.C. to United Kingdom available from USD 548*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Jul 22 2025 - Aug 21 2025
From
USD 562
Viewed 2 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Jul 23 2025 - Aug 20 2025
From
USD 562
Viewed 2 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Jul 23 2025 - Aug 21 2025
From
USD 562
Viewed 2 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Jul 23 2025 - Aug 23 2025
From
USD 562
Viewed 2 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jun 11 2025 - Jun 18 2025
From
USD 795
Viewed 2 days ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jun 12 2025 - Jun 16 2025
From
USD 858
Viewed 1 day ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jun 11 2025 - Jun 19 2025
From
USD 876
Viewed 2 days ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LHR)
Jun 08 2025 - Jun 14 2025
From
USD 878
Viewed 2 days ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Jul 20 2025 - Aug 19 2025
From
USD 603
Viewed 9 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Jul 20 2025 - Aug 20 2025
From
USD 603
Viewed 9 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Jul 21 2025 - Aug 20 2025
From
USD 603
Viewed 9 hrs ago
Round trip
/
Economy

Washington, D.C. (IAD)to

London (LON)
Jul 21 2025 - Aug 21 2025
From
USD 603
Viewed 9 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.

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		Sep 30 2025 - Oct 09 2025

From

USD 548

Viewed 2 hrs ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Oct 02 2025 - Oct 07 2025

From

USD 594

Viewed 10 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Oct 25 2025 - Nov 19 2025

From

USD 589

Viewed 9 hrs ago

Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		Nov 05 2025 - Nov 19 2025

From

USD 590

Viewed 1 day ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Jan 25 2026 - Feb 25 2026

From

USD 566

Viewed 21 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.

 

Our most popular connections