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

Return flights

03 Feb - 17 Mar	Air China
08 Feb - 19 Feb	Air China
08 Feb - 18 Feb	Air China
03 Feb - 18 Feb	Air China
02 Feb - 06 Feb	Air China
02 Feb - 29 Mar	China Eastern
10 Feb - 24 Feb	Etihad Airways
19 Feb - 08 Mar	Etihad Airways
06 Feb - 19 Feb	Air China
09 Feb - 19 Feb	Air China
03 Feb - 17 Feb	Air China
05 Feb - 18 Feb	Air China
09 Feb - 18 Feb	Air China
18 Feb - 04 Mar	Air China
04 Feb - 06 Mar	China Eastern
09 Feb - 04 Mar	Air China
02 Feb - 03 Mar	China Eastern
27 Feb - 13 Mar	Shenzhen Airlines
01 Feb - 01 Mar	Shenzhen Airlines
08 Feb - 06 Mar	Shenzhen Airlines

Also check the deals for one-way flights from London to Seoul 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 London to Seoul in February from $520

Return flights