Explore Air Canada flights from Washington, D.C. to United Kingdom from CAD 1,436*
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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 United Kingdom - our lowest fares in cash
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CAD
Washington, D.C. (IAD)to
London, UK (LHR)Oct 22, 2026 - Oct 30, 2026
From
CAD 1,436
Round-trip
Economy
Washington, D.C. (IAD)to
London, UK (LHR)Nov 20, 2026 - Nov 29, 2026
From
CAD 2,085
Round-trip
Economy
Washington, D.C. (DCA)to
London, UK (LHR)Nov 15, 2026 - Nov 18, 2026
From
CAD 2,775
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.
Flights between Washington, D.C. and United Kingdom - our lowest fares in points
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From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Washington, D.C. (IAD) | London, UK (LHR) | Round-trip / Economy | Jan 13, 2027 - Jan 18, 2027 | From 157,086 pts + CAD 409 Viewed: 4 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.