Cheapest one-way flights from London to Seoul in September from $457

AirHint found the following cheapest one-way flights from London (LHR) to Seoul (ICN) in September 2026 (see full year).

One-Way flights

14 Sep Shenzhen Airlines
09 Sep Shenzhen Airlines
20 Sep Shenzhen Airlines
26 Sep Shenzhen Airlines
30 Sep Shenzhen Airlines
13 Sep Shenzhen Airlines
28 Sep Shenzhen Airlines
12 Sep Shenzhen Airlines
25 Sep Shenzhen Airlines
18 Sep Shenzhen Airlines

Also check the deals for return flights from London to Seoul 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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