Flights from Washington, D.C. to United Kingdom available from USD 479*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Nov 09 2025 - Nov 13 2025
From
USD 552
Viewed 13 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Nov 09 2025 - Nov 15 2025
From
USD 552
Viewed 13 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Nov 09 2025 - Nov 18 2025
From
USD 552
Viewed 13 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Nov 09 2025 - Nov 22 2025
From
USD 552
Viewed 13 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Nov 08 2025 - Dec 06 2025
From
USD 596
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Sep 30 2025 - Oct 30 2025
From
USD 624
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Oct 14 2025 - Oct 21 2025
From
USD 713
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Oct 21 2025 - Oct 27 2025
From
USD 1,016
Viewed 22 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 18 2025 - Nov 23 2025
From
USD 592
Viewed 17 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 18 2025 - Nov 26 2025
From
USD 592
Viewed 17 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 18 2025 - Dec 03 2025
From
USD 592
Viewed 17 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 18 2025 - Dec 05 2025
From
USD 592
Viewed 17 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.

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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		Jan 06 2026 - Jan 17 2026

From

USD 479

Viewed 4 hrs ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Jan 16 2026 - Feb 01 2026

From

USD 596

Viewed 21 hrs ago

Washington, D.C. (IAD)Edinburgh (EDI)Round trip
/
Economy		Mar 18 2026 - Mar 24 2026

From

USD 660

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Nov 23 2025 - Dec 03 2025

From

USD 592

Viewed 17 hrs ago

Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		Feb 01 2026 - Feb 09 2026

From

USD 592

Viewed 2 days ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Jan 12 2026 - Feb 11 2026

From

USD 566

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.