Cheapest return flights from London to Seoul in September from 413€

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

Return flights

01 Sep - 13 Oct Air China
08 Sep - 23 Oct Air China
24 Sep - 14 Oct Air China
01 Sep - 15 Oct Air China
22 Sep - 22 Oct Air China
22 Sep - 15 Oct Air China
18 Sep - 16 Oct Air China
15 Sep - 20 Oct Air China
11 Sep - 16 Oct China Southern
15 Sep - 15 Oct China Southern
01 Sep - 08 Sep Air China
03 Sep - 08 Sep Air China
10 Sep - 30 Sep Shenzhen Airlines
01 Sep - 30 Sep Shenzhen Airlines
14 Sep - 30 Sep Shenzhen Airlines
21 Sep - 28 Sep Shenzhen Airlines
13 Sep - 28 Sep Shenzhen Airlines
15 Sep - 28 Sep Shenzhen Airlines
12 Sep - 30 Sep Shenzhen Airlines
24 Sep - 28 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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