Explore Air Canada flights from Seattle to United Kingdom from USD 1,133*
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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 Seattle and United Kingdom
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USD
Seattle (SEA)to
London, UK (LHR)Jun 12, 2026 - Jun 22, 2026
From
USD 1,133
Round-trip
Economy
Seattle (SEA)to
London, UK (LHR)Dec 25, 2025 - Dec 30, 2025
From
USD 2,115
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 Seattle and United Kingdom
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USD
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Seattle (SEA) | London, UK (LHR) | Round-trip / Economy | Jun 12, 2026 - Jun 22, 2026 | From USD 1,133 Viewed: 23 hours ago |
*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.