Cheapest return flights from London to Seoul in September from $755

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

Return flights

20 Sep - 30 Sep Turkish Airlines
21 Sep - 30 Sep Turkish Airlines
17 Sep - 30 Sep Turkish Airlines
14 Sep - 28 Sep Turkish Airlines
14 Sep - 30 Sep Turkish Airlines
05 Sep - 25 Sep Ryanair
16 Sep - 01 Oct Ryanair
23 Sep - 09 Oct Ryanair
29 Sep - 14 Oct Ryanair
01 Sep - 22 Sep Ryanair
15 Sep - 30 Sep Turkish Airlines
18 Sep - 30 Sep Turkish Airlines
24 Sep - 08 Oct Ryanair
16 Sep - 30 Sep Ryanair
22 Sep - 13 Oct Ryanair
18 Sep - 10 Oct Turkish Airlines
18 Sep - 17 Oct Turkish Airlines
18 Sep - 16 Oct Turkish Airlines
19 Sep - 03 Oct Ryanair
08 Sep - 07 Oct Ryanair

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

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