Cheapest return flights from London to Seoul in September from $566

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

Return flights

23 Sep - 24 Oct Air China
10 Sep - 17 Sep Wizz Air Malta
19 Sep - 13 Oct Air China
19 Sep - 12 Oct Air China
20 Sep - 18 Oct China Southern
18 Sep - 18 Oct China Southern
16 Sep - 16 Oct China Southern
21 Sep - 21 Oct China Southern
15 Sep - 20 Oct China Southern
13 Sep - 28 Oct China Southern
09 Sep - 17 Sep Wizz Air Malta
22 Sep - 12 Oct Air China
01 Sep - 11 Sep Shenzhen Airlines
03 Sep - 11 Sep Shenzhen Airlines
05 Sep - 11 Sep Shenzhen Airlines
01 Sep - 07 Sep Shenzhen Airlines
03 Sep - 07 Sep Shenzhen Airlines
06 Sep - 11 Sep Shenzhen Airlines
12 Sep - 15 Sep Lufthansa
03 Sep - 16 Sep Shenzhen Airlines

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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