Cheapest return flights from Seattle to London in November from $475

AirHint found the following cheapest return flights from Seattle (SEA) to London (LHR) in November 2025 (see full year).

Return flights

05 Nov - 14 Nov Aer Lingus
26 Nov - 05 Dec Aer Lingus
17 Nov - 26 Nov Icelandair
04 Nov - 12 Nov Lufthansa
05 Nov - 11 Nov Air France
04 Nov - 11 Nov Air France
05 Nov - 14 Nov British Airways direct
04 Nov - 12 Nov American Airlines direct
04 Nov - 19 Nov American Airlines direct
04 Nov - 11 Nov British Airways direct
05 Nov - 11 Nov British Airways direct
27 Nov - 03 Dec Lufthansa
27 Nov - 04 Dec Air France
29 Nov - 18 Dec Air France direct
27 Nov - 04 Dec British Airways direct
27 Nov - 03 Dec Virgin Atlantic direct
29 Nov - 07 Dec Delta
28 Nov - 05 Dec British Airways direct
18 Nov - 01 Dec Air Canada
25 Nov - 02 Dec British Airways

Also check the deals for one-way flights from Seattle to London in November.

Skyscanner

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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