Cheapest return flights from Seattle to London in December from 589€

Best time to book flights for Seattle (SEA) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to London (LGW) in December 2024 (see full year).

Return flights

29 Dec - 14 Jan Icelandair
07 Dec - 10 Dec Spirit Airlines
11 Dec - 12 Jan Spirit Airlines
04 Dec - 10 Dec Spirit Airlines
08 Dec - 15 Dec Lufthansa
11 Dec - 25 Dec Spirit Airlines
11 Dec - 17 Dec Spirit Airlines
05 Dec - 14 Dec Spirit Airlines
01 Dec - 08 Dec Frontier Airlines
12 Dec - 16 Dec Spirit Airlines
01 Dec - 04 Dec Frontier Airlines
15 Dec - 11 Jan Icelandair
27 Dec - 11 Jan Frontier Airlines
24 Dec - 29 Dec Turkish Airlines
17 Dec - 07 Jan Spirit Airlines
30 Dec - 05 Jan Spirit Airlines
17 Dec - 06 Jan Frontier Airlines
23 Dec - 02 Jan Spirit Airlines
16 Dec - 01 Jan Spirit Airlines
29 Dec - 05 Jan Alaska Airlines

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

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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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