Travel with Air Canada from Washington, D.C. to London, UK (WAS - LHR) from CAD 1,464*

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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.

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

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Jul 2026
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Sep 2026
FromCAD 1,464*
Round Trip/Economy
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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.

    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    		Jun 14, 2027 - Jun 21, 2027

    From

    71,300 pts
    + CAD 405

    Viewed: 10 hours ago

    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Sep 02, 2026 - Sep 12, 2026

    From

    130,000 pts
    + CAD 340

    Viewed: 17 hours ago

    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Aug 09, 2026 - Aug 15, 2026

    From

    65,000 pts
    + CAD 184

    Viewed: 1 day ago

    Washington, D.C. (IAD)London, UK (LHR)Round-trip
    /
    Economy    		Sep 18, 2026 - Sep 21, 2026

    From

    72,500 pts
    + CAD 427

    Viewed: 1 day 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.

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