Flights from Washington, D.C. to United Kingdom available from USD 513*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Jan 20 2026 - Jan 28 2026
From
USD 513
Viewed 4 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Jan 25 2026 - Jan 30 2026
From
USD 513
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Jan 25 2026 - Feb 02 2026
From
USD 513
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Jan 25 2026 - Feb 06 2026
From
USD 513
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Dec 01 2025 - Dec 09 2025
From
USD 518
Viewed 17 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 13 2026 - Jan 24 2026
From
USD 536
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Nov 13 2025 - Dec 03 2025
From
USD 542
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 05 2026 - Jan 11 2026
From
USD 567
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Dec 04 2025 - Dec 09 2025
From
USD 514
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Nov 24 2025 - Dec 09 2025
From
USD 514
Viewed 16 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Nov 15 2025 - Nov 21 2025
From
USD 533
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Dec 29 2025 - Jan 06 2026
From
USD 587
Viewed 16 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 28 2026 - Feb 04 2026

From

USD 513

Viewed 1 day ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Mar 11 2026 - Mar 18 2026

From

USD 541

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Mar 05 2026 - Mar 09 2026

From

USD 514

Viewed 13 minutes ago

Washington, D.C. (IAD)Edinburgh (EDI)Round trip
/
Economy		Apr 11 2026 - Apr 17 2026

From

USD 660

Viewed 2 days ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Mar 08 2026 - Mar 19 2026

From

USD 520

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.