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Cheapest one-way flights from Seattle (SEA) to London (LHR), November

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Dates, airline, and price
Dates	Airline	Price
23 Nov	Alaska Airlines
10 Nov	Alaska Airlines
16 Nov	Alaska Airlines
19 Nov	Alaska Airlines
03 Nov	Icelandair
23 Nov	Alaska Airlines Direct Flight
03 Nov	Alaska Airlines Direct Flight
20 Nov	Icelandair
16 Nov	Alaska Airlines Direct Flight
02 Nov	Alaska Airlines Direct Flight

deals for return flights from Seattle to London in November.

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seattle (SEA) to London (LHR), November

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