Cheapest return flights from London to Seoul in September from $629

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

Return flights

14 Sep - 27 Sep Shenzhen Airlines
20 Sep - 27 Sep Shenzhen Airlines
18 Sep - 27 Sep Shenzhen Airlines
14 Sep - 25 Sep Shenzhen Airlines
11 Sep - 19 Sep Shenzhen Airlines
12 Sep - 20 Sep Shenzhen Airlines
11 Sep - 25 Sep Shenzhen Airlines
11 Sep - 26 Sep Shenzhen Airlines
14 Sep - 20 Sep Shenzhen Airlines
19 Sep - 27 Sep Shenzhen Airlines
21 Sep - 03 Oct Shenzhen Airlines
25 Sep - 01 Oct Shenzhen Airlines
20 Sep - 03 Oct Shenzhen Airlines
27 Sep - 04 Oct Shenzhen Airlines
25 Sep - 04 Oct Shenzhen Airlines
18 Sep - 02 Oct Shenzhen Airlines
25 Sep - 03 Oct Shenzhen Airlines
26 Sep - 03 Oct Shenzhen Airlines
21 Sep - 05 Oct Lufthansa
15 Sep - 06 Oct Lufthansa

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

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