Cheapest one-way flights from London to Seoul in September from $319

Best time to book flights for London (LGW) to Seoul (ICN) flights at AirHint

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

One-Way flights

18 Sep China Eastern
06 Sep China Eastern
05 Sep China Eastern
08 Sep China Southern
15 Sep China Southern
19 Sep China Southern
03 Sep Ryanair
30 Sep China Eastern
29 Sep Ryanair
02 Sep Vueling Airlines

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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