Cheapest return flights from Seoul to London in September from $730

AirHint found the following cheapest return flights from Seoul (GMP) to London (LHR) in September 2026 (see full year).

Return flights

07 Sep - 11 Sep Air China
01 Sep - 15 Sep Air China
01 Sep - 16 Sep Air China
01 Sep - 10 Sep Air China
23 Sep - 28 Sep EVA Air
23 Sep - 04 Oct EVA Air
23 Sep - 27 Sep EVA Air
19 Sep - 28 Sep EVA Air
01 Sep - 06 Oct Air China
11 Sep - 28 Sep EVA Air
19 Sep - 27 Sep EVA Air
25 Sep - 04 Oct EVA Air
26 Sep - 06 Oct Air China
01 Sep - 30 Sep EVA Air
24 Sep - 03 Oct ANA
24 Sep - 04 Oct ANA
24 Sep - 02 Oct ANA
24 Sep - 06 Oct ANA
19 Sep - 03 Oct ANA
19 Sep - 02 Oct ANA

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