Cheapest return flights from London to Seoul in September from $580

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

05 Sep - 19 Sep Air China
13 Sep - 18 Oct Air China
20 Sep - 19 Oct Air China
01 Sep - 17 Oct Air China
01 Sep - 19 Oct Air China
01 Sep - 18 Oct Air China
11 Sep - 23 Oct Air China
26 Sep - 14 Oct Air China
24 Sep - 12 Oct Air China
26 Sep - 10 Oct Air China
26 Sep - 11 Oct Air China
16 Sep - 30 Sep Air China
16 Sep - 24 Sep Turkish Airlines
19 Sep - 26 Sep Turkish Airlines
17 Sep - 24 Sep Turkish Airlines
10 Sep - 17 Sep Qatar Airways
02 Sep - 13 Sep Turkish Airlines
03 Sep - 17 Sep Qatar Airways
09 Sep - 16 Sep Qatar Airways
03 Sep - 10 Sep Turkish 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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