Cheapest one-way flights from London to Seoul in September from $433

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

One-Way flights

17 Sep China Southern
16 Sep China Southern
13 Sep China Southern
30 Sep China Southern
20 Sep China Southern
15 Sep China Southern
23 Sep China Southern
19 Sep China Southern
02 Sep China Eastern
07 Sep China Eastern

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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