Flights from Washington, D.C. to United Kingdom available from USD 434*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Oct 03 2025 - Nov 01 2025
From
USD 519
Viewed 20 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Oct 02 2025 - Nov 01 2025
From
USD 519
Viewed 20 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Oct 02 2025 - Nov 02 2025
From
USD 519
Viewed 20 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Oct 03 2025 - Nov 03 2025
From
USD 519
Viewed 20 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Sep 30 2025 - Oct 04 2025
From
USD 520
Viewed 4 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Sep 30 2025 - Oct 11 2025
From
USD 520
Viewed 4 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Oct 01 2025 - Oct 12 2025
From
USD 520
Viewed 4 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Oct 01 2025 - Oct 31 2025
From
USD 520
Viewed 4 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LGW)
Sep 25 2025 - Oct 01 2025
From
USD 610
Viewed 3 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Manchester (MAN)
Oct 03 2025 - Nov 02 2025
From
USD 526
Viewed 1 hour ago
Round trip
Economy

Washington, D.C. (IAD)to

Manchester (MAN)
Oct 02 2025 - Nov 02 2025
From
USD 526
Viewed 1 hour ago
Round trip
Economy

Washington, D.C. (IAD)to

Manchester (MAN)
Oct 03 2025 - Nov 01 2025
From
USD 526
Viewed 1 hour 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		Oct 20 2025 - Oct 27 2025

From

USD 494

Viewed 1 minute ago

Washington, D.C. (IAD)Edinburgh (EDI)Round trip
/
Economy		Oct 04 2025 - Oct 10 2025

From

USD 592

Viewed 2 days ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		May 15 2026 - May 24 2026

From

USD 471

Viewed 1 day ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		Oct 15 2025 - Nov 02 2025

From

USD 520

Viewed 4 hrs ago

Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		Nov 25 2025 - Dec 01 2025

From

USD 434

Viewed 1 day ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Oct 12 2025 - Nov 05 2025

From

USD 526

Viewed 1 hour 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.