Cheapest return flights from London to Seoul in September from 438€

AirHint found the following cheapest return flights from London (LHR) to Seoul (GMP) in September 2025 (see full year).

Return flights

30 Sep - 17 Oct China Eastern
25 Sep - 23 Oct China Southern
24 Sep - 23 Oct China Southern
24 Sep - 21 Oct China Southern
24 Sep - 13 Oct China Southern
27 Sep - 12 Oct China Eastern
23 Sep - 12 Oct China Southern
25 Sep - 15 Oct China Southern
24 Sep - 11 Oct China Southern
24 Sep - 10 Oct China Southern
25 Sep - 29 Sep China Southern
24 Sep - 29 Sep China Southern
23 Sep - 29 Sep China Southern
24 Sep - 30 Sep China Southern
23 Sep - 30 Sep China Southern
22 Sep - 30 Sep China Southern
26 Sep - 29 Sep China Eastern
25 Sep - 28 Sep China Southern
26 Sep - 30 Sep China Southern
26 Sep - 27 Sep SWISS

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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