Cheapest return flights from London to Seoul in September from $600

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

24 Sep - 12 Oct Air China
22 Sep - 13 Oct Air China
24 Sep - 18 Oct Air China
21 Sep - 12 Oct Air China
11 Sep - 11 Oct Air China
18 Sep - 11 Oct Air China
07 Sep - 21 Oct Air China
20 Sep - 12 Oct Air China
26 Sep - 11 Oct Turkish Airlines
28 Sep - 17 Oct Turkish Airlines
09 Sep - 22 Sep Air China
11 Sep - 22 Sep Turkish Airlines
12 Sep - 19 Sep Turkish Airlines
15 Sep - 22 Sep Turkish Airlines
07 Sep - 10 Sep Qatar Airways
02 Sep - 16 Sep Qatar Airways
01 Sep - 12 Sep Qatar Airways
03 Sep - 11 Sep Qatar Airways
04 Sep - 19 Sep Air China
10 Sep - 18 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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