Cheapest return flights from Seoul to London in September from $793

Best time to book flights for Seoul (ICN) to London (STN) flights at AirHint

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

Return flights

17 Sep - 23 Sep Emirates
17 Sep - 24 Sep Emirates
15 Sep - 22 Sep Emirates
15 Sep - 18 Sep Emirates
15 Sep - 24 Sep Emirates
15 Sep - 26 Sep Emirates
17 Sep - 22 Oct Emirates
19 Sep - 27 Sep Emirates
14 Sep - 20 Sep Emirates
07 Sep - 14 Sep Emirates
03 Sep - 24 Sep Emirates
29 Sep - 06 Oct Emirates
26 Sep - 03 Oct Emirates
26 Sep - 06 Oct Emirates
29 Sep - 05 Oct Emirates
27 Sep - 03 Oct Emirates
28 Sep - 05 Oct Emirates
27 Sep - 04 Oct Emirates
28 Sep - 15 Oct Emirates
24 Sep - 07 Oct Emirates

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

Skyscanner

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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