Flights from Washington, D.C. to United Kingdom available from USD 512*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Jan 31 2026 - Feb 27 2026
From
USD 512
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 01 2026 - Feb 17 2026
From
USD 512
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 01 2026 - Feb 21 2026
From
USD 512
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 01 2026 - Feb 28 2026
From
USD 512
Viewed 12 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 12 2026 - Jan 17 2026
From
USD 517
Viewed 11 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 09 2026 - Jan 18 2026
From
USD 518
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Dec 01 2025 - Dec 09 2025
From
USD 518
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Dec 31 2025 - Jan 28 2026
From
USD 567
Viewed 1 day ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Dec 03 2025 - Dec 11 2025
From
USD 514
Viewed 22 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 15 2025 - Dec 05 2025
From
USD 514
Viewed 22 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 16 2025 - Nov 26 2025
From
USD 514
Viewed 22 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Nov 16 2025 - Dec 04 2025
From
USD 514
Viewed 22 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 31 2026 - Feb 27 2026

From

USD 512

Viewed 12 hrs ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Feb 15 2026 - Feb 23 2026

From

USD 518

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Feb 26 2026 - Mar 07 2026

From

USD 514

Viewed 18 hrs ago

Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		May 31 2026 - Jun 14 2026

From

USD 922

Viewed 10 hrs ago

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

From

USD 642

Viewed 1 day ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Jan 30 2026 - Feb 03 2026

From

USD 520

Viewed 11 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.