Cheapest return flights from Seoul to London in September from $727

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

16 Sep - 20 Sep China Eastern
17 Sep - 25 Sep Emirates
17 Sep - 30 Sep Emirates
17 Sep - 23 Sep Emirates
06 Sep - 10 Sep China Eastern
15 Sep - 29 Sep Vietnam Airlines
18 Sep - 24 Sep Emirates
18 Sep - 25 Sep Emirates
16 Sep - 22 Sep Emirates
23 Sep - 14 Oct China Eastern
17 Sep - 27 Sep Emirates
19 Sep - 01 Oct Emirates
22 Sep - 01 Oct Emirates
16 Sep - 19 Oct Emirates
15 Sep - 19 Oct Emirates
08 Sep - 22 Oct Emirates
25 Sep - 09 Oct MIAT Mongolian Airlines
25 Sep - 10 Oct China Eastern
13 Sep - 18 Oct Emirates
26 Sep - 03 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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