Cheapest return flights from London to Seoul in September from 534€

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

20 Sep - 23 Oct Air China
26 Sep - 13 Oct Air China
19 Sep - 11 Oct Air China
20 Sep - 18 Oct Air China
10 Sep - 15 Oct Air China
18 Sep - 16 Oct Air China
26 Sep - 12 Oct Air China
22 Sep - 06 Oct Air China
23 Sep - 19 Oct Air China
22 Sep - 22 Oct Air China
22 Sep - 29 Sep Air China
01 Sep - 30 Sep Air China
11 Sep - 30 Sep Air China
12 Sep - 30 Sep Air China
23 Sep - 30 Sep China Eastern
02 Sep - 17 Sep Air China
01 Sep - 10 Sep Air China
02 Sep - 19 Sep Air China
03 Sep - 18 Sep Air China
03 Sep - 10 Sep Air China

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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