
Explore Air Canada flights from Washington, D.C. to United Kingdom from USD 1,009*
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*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Best fares between Washington, D.C. and United Kingdom
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USD
Washington, D.C. (IAD)to
London, UK (LHR)Sep 17, 2026 - Sep 22, 2026
From
USD 1,114
Round-trip
Economy
Washington, D.C. (IAD)to
London, UK (LHR)Nov 24, 2026 - Dec 05, 2026
From
USD 1,009
Round-trip
Economy
Washington, D.C. (DCA)to
London, UK (LHR)Sep 16, 2026 - Oct 28, 2026
From
USD 1,040
Round-trip
Economy
Washington, D.C. (DCA)to
London, UK (LHR)Sep 15, 2026 - Oct 22, 2026
From
USD 1,043
Round-trip
Economy
Washington, D.C. (WAS)to
London, UK (LHR)Aug 12, 2026 - Aug 16, 2026
From
USD 1,270
Round-trip
Economy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

Find low fares between Washington, D.C. and United Kingdom
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From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | London, UK (LHR) | Round-trip / Economy | Nov 24, 2026 - Dec 05, 2026 | From USD 1,009 Viewed: 22 minutes ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.