Cheapest return flights from London to Seoul in September from $831

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

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

Return flights

01 Sep - 30 Sep Ryanair
10 Sep - 16 Sep Emirates
09 Sep - 18 Sep Emirates
29 Sep - 06 Oct Emirates
29 Sep - 13 Oct Emirates
23 Sep - 07 Oct Emirates
04 Sep - 09 Oct Emirates
23 Sep - 14 Oct Emirates
24 Sep - 15 Oct Emirates
21 Sep - 08 Oct Emirates
02 Sep - 16 Sep Emirates
03 Sep - 17 Sep Emirates
09 Sep - 16 Sep Emirates
08 Sep - 18 Sep Emirates
10 Sep - 17 Sep Emirates
01 Sep - 16 Sep Emirates
04 Sep - 16 Sep Emirates
25 Sep - 15 Oct Emirates
30 Sep - 14 Oct Emirates
22 Sep - 06 Oct Emirates

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