Cheapest return flights from London to Seoul in September from 457€

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

Return flights

16 Sep - 15 Oct Air China
18 Sep - 18 Oct Air China
09 Sep - 11 Oct Air China
16 Sep - 21 Oct Air China
11 Sep - 21 Oct Air China
22 Sep - 22 Oct China Southern
22 Sep - 13 Oct China Southern
22 Sep - 14 Oct China Southern
20 Sep - 14 Oct China Southern
22 Sep - 24 Oct China Southern
12 Sep - 19 Sep Shenzhen Airlines
03 Sep - 18 Sep Shenzhen Airlines
01 Sep - 09 Sep Shenzhen Airlines
01 Sep - 13 Sep Shenzhen Airlines
01 Sep - 07 Sep Shenzhen Airlines
01 Sep - 11 Sep Shenzhen Airlines
03 Sep - 09 Sep Shenzhen Airlines
06 Sep - 13 Sep Shenzhen Airlines
05 Sep - 19 Sep Shenzhen Airlines
05 Sep - 18 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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