Cheapest return flights from London to Seoul in September from $616

Best time to book flights for London (LGW) to Seoul (ICN) flights at AirHint

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

Return flights

23 Sep - 13 Oct Air China
24 Sep - 13 Oct Air China
22 Sep - 22 Oct Air China
12 Sep - 22 Sep China Southern
22 Sep - 29 Sep China Southern
11 Sep - 16 Sep China Southern
03 Sep - 16 Sep easyJet
29 Sep - 22 Oct Turkish Airlines
15 Sep - 19 Sep Air China
01 Sep - 21 Sep Wizz Air Malta
26 Sep - 10 Oct Turkish Airlines
26 Sep - 17 Oct Turkish Airlines
04 Sep - 23 Sep Wizz Air Malta
04 Sep - 26 Sep Wizz Air Malta
26 Sep - 12 Oct Turkish Airlines
17 Sep - 26 Sep easyJet
16 Sep - 27 Oct Turkish Airlines
27 Sep - 10 Oct Turkish Airlines
20 Sep - 22 Oct Air China
01 Sep - 20 Sep easyJet

Also check the deals for one-way flights from London to Seoul in September.

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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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