Cheapest return flights from London to Seoul in September from $433

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

Return flights

24 Sep - 23 Oct China Eastern
24 Sep - 15 Oct China Eastern
15 Sep - 27 Oct China Eastern
18 Sep - 12 Oct China Eastern
04 Sep - 08 Sep China Eastern
04 Sep - 09 Sep China Eastern
22 Sep - 24 Oct China Eastern
23 Sep - 14 Oct China Eastern
04 Sep - 07 Sep China Eastern
09 Sep - 15 Oct Air China
18 Sep - 14 Oct Air China
18 Sep - 18 Oct Air China
19 Sep - 12 Oct China Southern
01 Sep - 08 Sep China Eastern
02 Sep - 08 Sep China Eastern
03 Sep - 10 Sep Wizz Air Malta
23 Sep - 24 Sep China Eastern
07 Sep - 23 Sep China Eastern
03 Sep - 09 Sep China Eastern
03 Sep - 08 Sep China Eastern

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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