Cheapest return flights from London to Seoul in September from 438€

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

Return flights

15 Sep - 20 Oct Air China
17 Sep - 22 Oct Air China
18 Sep - 12 Oct Air China
15 Sep - 16 Oct Air China
16 Sep - 15 Oct Air China
14 Sep - 12 Oct Air China
15 Sep - 15 Oct Air China
18 Sep - 18 Oct Air China
09 Sep - 15 Oct Air China
09 Sep - 13 Oct Air China
01 Sep - 11 Sep China Southern
02 Sep - 06 Sep Air China
16 Sep - 21 Sep Wizz Air UK
14 Sep - 21 Sep Vueling Airlines
02 Sep - 11 Sep Vueling Airlines
01 Sep - 15 Sep Norwegian
01 Sep - 13 Sep China Eastern
11 Sep - 18 Sep China Southern
12 Sep - 17 Sep China Southern
12 Sep - 21 Sep Vueling 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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