Cheapest one-way flights from Seattle to London in November from $317

AirHint found the following cheapest one-way flights from Seattle (SEA) to London (LHR) in November 2026 (see full year).

One-Way flights

02 Nov Icelandair
18 Nov Lufthansa
07 Nov Alaska Airlines
18 Nov Iberia direct
07 Nov KLM direct

Also check the deals for return flights from Seattle to London in November.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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