Flights from Washington, D.C. to United Kingdom available from USD 519*

Promo code

Deals on flights in next three months

USD

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 16 2026 - Feb 21 2026
From
USD 520
Viewed 21 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 16 2026 - Mar 02 2026
From
USD 520
Viewed 21 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 16 2026 - Mar 09 2026
From
USD 520
Viewed 21 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Glasgow (GLA)
Feb 16 2026 - Mar 19 2026
From
USD 520
Viewed 21 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Jan 28 2026 - Feb 02 2026
From
USD 522
Viewed 23 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LHR)
Mar 02 2026 - Mar 10 2026
From
USD 522
Viewed 17 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Mar 10 2026 - Mar 17 2026
From
USD 519
Viewed 19 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Jan 22 2026 - Feb 05 2026
From
USD 519
Viewed 19 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Jan 22 2026 - Feb 06 2026
From
USD 519
Viewed 19 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

London (LON)
Jan 22 2026 - Feb 09 2026
From
USD 519
Viewed 19 hrs ago
Round trip
Economy

Washington, D.C. (IAD)to

Edinburgh (EDI)
Jan 26 2026 - Feb 03 2026
From
USD 652
Viewed 2 days ago
Round trip
Economy

Washington, D.C. (IAD)to

Edinburgh (EDI)
Mar 02 2026 - Mar 10 2026
From
USD 672
Viewed 2 days 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		Apr 23 2026 - Apr 30 2026

From

USD 536

Viewed 1 minutes ago

Washington, D.C. (IAD)London (LHR)Round trip
/
Economy		Apr 11 2026 - Apr 19 2026

From

USD 556

Viewed 15 hrs ago

Washington, D.C. (IAD)London (LON)Round trip
/
Economy		May 18 2026 - Jun 03 2026

From

USD 524

Viewed 18 hrs ago

Washington, D.C. (IAD)London (LGW)Round trip
/
Economy		Apr 27 2026 - May 07 2026

From

USD 542

Viewed 10 hrs ago

Washington, D.C. (IAD)Manchester (MAN)Round trip
/
Economy		Apr 24 2026 - Apr 28 2026

From

USD 541

Viewed 17 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.