Cheapest return flights from Seattle to London in November from 419€

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

Return flights

26 Nov - 04 Dec Icelandair
12 Nov - 19 Nov Aer Lingus
19 Nov - 25 Nov Lufthansa
09 Nov - 25 Nov Lufthansa
12 Nov - 19 Nov Virgin Atlantic direct
25 Nov - 03 Dec Virgin Atlantic direct
19 Nov - 02 Dec Air Canada
19 Nov - 24 Nov Lufthansa
19 Nov - 23 Nov Icelandair
10 Nov - 24 Nov Aer Lingus
23 Nov - 14 Dec Aer Lingus
30 Nov - 07 Dec Aer Lingus
13 Nov - 20 Nov Virgin Atlantic direct
28 Nov - 02 Dec Virgin Atlantic
26 Nov - 07 Dec Aer Lingus
11 Nov - 24 Nov Air France
30 Nov - 06 Dec Lufthansa
11 Nov - 06 Dec Air France
10 Nov - 06 Dec Air France
16 Nov - 22 Nov Icelandair

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

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