Cheapest one-way flights from London to Seoul in September from $386

AirHint found the following cheapest one-way flights from London (LHR) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

02 Sep China Southern
09 Sep China Southern
08 Sep China Southern
01 Sep Hainan Airlines
14 Sep China Southern
10 Sep China Southern
22 Sep China Southern
24 Sep China Southern
07 Sep China Southern
06 Sep China Southern

Also check the deals for return 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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