Cheapest return flights from Seattle to London in October from 482€

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

Return flights

20 Oct - 29 Oct Aer Lingus
19 Oct - 04 Nov Air France
21 Oct - 11 Nov Delta
19 Oct - 04 Nov Air France direct
20 Oct - 29 Oct Virgin Atlantic direct
20 Oct - 27 Oct Air Canada
31 Oct - 07 Nov Aer Lingus
24 Oct - 31 Oct Aer Lingus
31 Oct - 18 Nov British Airways
26 Oct - 02 Nov Virgin Atlantic
27 Oct - 03 Nov Lufthansa
29 Oct - 22 Nov Air France
30 Oct - 05 Nov Delta
19 Oct - 08 Nov Air France
20 Oct - 27 Oct Virgin Atlantic direct
24 Oct - 31 Oct Virgin Atlantic direct
23 Oct - 26 Oct Virgin Atlantic
24 Oct - 26 Oct Virgin Atlantic
18 Oct - 22 Oct Turkish Airlines
25 Oct - 28 Oct Turkish Airlines

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

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