Explore Air Canada flights from Washington, D.C. to United Kingdom from USD 1,054*
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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)Dec 03, 2026 - Dec 08, 2026
From
USD 1,054
Round-trip
Economy
Washington, D.C. (IAD)to
London, UK (LHR)Dec 20, 2026 - Dec 30, 2026
From
USD 1,352
Round-trip
Economy
Washington, D.C. (WAS)to
London, UK (LHR)Dec 23, 2026 - Jan 03, 2027
From
USD 1,556
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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No popular fares were found for the options selected. Try updating your selection.
No popular fares were found for the options selected. Try updating your selection.*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.