Explore Air Canada flights from Seattle to United Kingdom from USD 1,070*
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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)Aug 04, 2026 - Aug 12, 2026
From
USD 1,070
Round-trip
Economy
Seattle (SEA)to
London, UK (LHR)Dec 20, 2026 - Jan 02, 2027
From
USD 1,344
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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From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Seattle (SEA) | London, UK (LHR) | Round-trip / Economy | Dec 20, 2026 - Jan 02, 2027 | From USD 1,344 Viewed: 21 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.