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

Return flights

13 Nov - 17 Nov	Air France
13 Nov - 20 Nov	Air France
13 Nov - 16 Nov	Air France
11 Nov - 16 Nov	Royal Brunei
05 Nov - 11 Nov	China Southern
26 Nov - 29 Nov	Air China
21 Nov - 29 Nov	Air China
14 Nov - 22 Nov	Air China
07 Nov - 15 Nov	Air China
22 Nov - 29 Nov	China Southern
28 Nov - 06 Dec	Air China
25 Nov - 07 Dec	Lufthansa
25 Nov - 02 Dec	Lufthansa
11 Nov - 09 Dec	Lufthansa
27 Nov - 03 Dec	Finnair
26 Nov - 10 Dec	Finnair
18 Nov - 09 Dec	Air China
03 Nov - 02 Dec	Finnair
27 Nov - 10 Dec	Finnair
26 Nov - 08 Dec	Finnair

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

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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Cheapest return flights from Seoul to London in November from $663

Return flights