Explore Air Canada flights from Washington, D.C. to United Kingdom from USD 1,019*
arrow_drop_down
arrow_drop_down
1 Passenger
arrow_drop_downPromotion code
arrow_drop_downtoday
today
*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
flight_takeoff
flight_land
USD
Washington, D.C. (IAD)to
London, UK (LHR)Aug 10, 2026 - Sep 07, 2026
From
USD 1,019
Round-trip
Economy
Washington, D.C. (DCA)to
London, UK (LHR)Jul 07, 2026 - Jul 16, 2026
From
USD 1,172
Round-trip
Economy
Washington, D.C. (DCA)to
London, UK (LHR)Jul 18, 2026 - Aug 01, 2026
From
USD 1,465
Round-trip
Economy
Washington, D.C. (WAS)to
London, UK (LHR)Jul 07, 2026 - Jul 16, 2026
From
USD 1,182
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
flight_takeoff
flight_land
USD
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.