Flights from Washington, D.C. to United Kingdom available from USD 625*
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expand_moreFly in the next 3 months: Flights from Washington, D.C. to United Kingdom
Icelandair airfare from Washington, D.C. to United Kingdom - starting at USD 625
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USD
Washington, D.C. (IAD)to
London (LON)Oct 24 2026 - Oct 30 2026
From
USD 691
Viewed 1 day ago
Round trip
Economy
Washington, D.C. (IAD)to
London (LON)Oct 24 2026 - Oct 31 2026
From
USD 691
Viewed 1 day ago
Round trip
Economy
Washington, D.C. (IAD)to
Manchester (MAN)Nov 14 2026 - Nov 26 2026
From
USD 735
Viewed 1 day ago
Round trip
Economy
Washington, D.C. (IAD)to
Manchester (MAN)Nov 14 2026 - Dec 03 2026
From
USD 735
Viewed 1 day ago
Round trip
Economy
Washington, D.C. (IAD)to
Glasgow (GLA)Oct 13 2026 - Nov 05 2026
From
USD 625
Viewed 2 days ago
Round trip
Economy
Washington, D.C. (IAD)to
Glasgow (GLA)Oct 13 2026 - Nov 11 2026
From
USD 625
Viewed 2 days ago
Round trip
Economy
*Fares displayed have been collected within the last 72 hours 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.
Make the most of your trip
Flights from Washington, D.C. (IAD) to United Kingdom in the next 365 days
Book ahead and find our best prices in 2026 and beyond
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USD
From | To | Fare type | Dates | Price | |
|---|---|---|---|---|---|
| Washington, D.C. (IAD) | Glasgow (GLA) | Round trip / Economy | Jan 10 2027 - Jan 20 2027 | From USD 625 Viewed 2 days ago | |
| Washington, D.C. (IAD) | Glasgow (GLA) | Round trip / Economy | Jan 10 2027 - Jan 23 2027 | From USD 625 Viewed 2 days ago | |
| Washington, D.C. (IAD) | Glasgow (GLA) | Round trip / Economy | Jan 10 2027 - Feb 01 2027 | From USD 625 Viewed 2 days ago | |
| Washington, D.C. (IAD) | London (LON) | Round trip / Economy | Jan 10 2027 - Jan 15 2027 | From USD 648 Viewed 1 day ago | |
| Washington, D.C. (IAD) | London (LON) | Round trip / Economy | Jan 10 2027 - Jan 20 2027 | From USD 648 Viewed 1 day ago | |
| Washington, D.C. (IAD) | London (LON) | Round trip / Economy | Jan 10 2027 - Jan 24 2027 | From USD 648 Viewed 1 day ago | |
| Washington, D.C. (IAD) | Manchester (MAN) | Round trip / Economy | Nov 27 2026 - Dec 18 2026 | From USD 735 Viewed 1 day ago | |
| Washington, D.C. (IAD) | Manchester (MAN) | Round trip / Economy | Nov 27 2026 - Dec 25 2026 | From USD 735 Viewed 1 day ago | |
| Washington, D.C. (IAD) | Manchester (MAN) | Round trip / Economy | Nov 28 2026 - Dec 13 2026 | From USD 735 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.
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