AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR) in February 2026 (see full year).

Return flights

03 Feb - 15 Feb	Royal Brunei
03 Feb - 08 Feb	Royal Brunei
17 Feb - 22 Feb	Royal Brunei
24 Feb - 01 Mar	Royal Brunei
17 Feb - 01 Mar	Royal Brunei
01 Feb - 07 Feb	Lufthansa
01 Feb - 04 Feb	Lufthansa
25 Feb - 02 Mar	Finnair
02 Feb - 11 Feb	Finnair
03 Feb - 10 Feb	Finnair
25 Feb - 03 Mar	Finnair
25 Feb - 01 Mar	Finnair
05 Feb - 09 Feb	Finnair
04 Feb - 13 Feb	Finnair
23 Feb - 01 Mar	Finnair
23 Feb - 03 Mar	Finnair
03 Feb - 03 Mar	Finnair
23 Feb - 02 Mar	Finnair
26 Feb - 01 Mar	Finnair
22 Feb - 28 Feb	Finnair

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

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 February from $665

Return flights