Travel with Air Canada from Washington, D.C. to London, UK (WAS - LHR)

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Flights between Washington, D.C. and London, UK - our lowest fares in cash

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    • Book flights from Washington, D.C. (WAS) to London, UK (LHR) | Air Canada

    Flights between Washington, D.C. and London, UK - our lowest fares in points

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    Flights between Washington, D.C. and London, UK - our lowest fares in points
    From
    To
    Fare Type
    Departure
    Price
    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Aug 30, 2026 - Sep 14, 2026

    From

    145,000 pts
    + CAD 845

    Viewed: 1 day ago

    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Aug 28, 2026 - Sep 08, 2026

    From

    150,000 pts
    + CAD 981

    Viewed: 2 hours ago

    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Aug 16, 2026 - Aug 22, 2026

    From

    290,000 pts
    + CAD 1,203

    Viewed: 22 hours ago

    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Aug 15, 2026 - Aug 22, 2026

    From

    320,000 pts
    + CAD 1,341

    Viewed: 22 hours ago

    *Points displayed do not reflect preferred pricing for Aeroplan Elite Status Members and/or Aeroplan Credit Cardholders. Prices have been collected within the past 48 hrs 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.

    Explore all routes from Washington, D.C. to London, UK