Cheapest return flights from London to Seoul in September from 344€

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

Return flights

28 Sep - 11 Oct China Eastern
28 Sep - 12 Oct China Eastern
22 Sep - 24 Oct China Eastern
29 Sep - 15 Oct China Eastern
25 Sep - 11 Oct China Eastern
30 Sep - 11 Oct China Eastern
29 Sep - 22 Oct China Eastern
28 Sep - 13 Oct China Eastern
24 Sep - 15 Oct China Eastern
26 Sep - 13 Oct China Eastern
22 Sep - 28 Sep China Eastern
24 Sep - 29 Sep China Eastern
22 Sep - 29 Sep China Eastern
25 Sep - 29 Sep China Eastern
22 Sep - 30 Sep China Eastern
24 Sep - 30 Sep China Eastern
22 Sep - 24 Sep Wizz Air
22 Sep - 27 Sep China Eastern
22 Sep - 26 Sep China Eastern
21 Sep - 29 Sep China Eastern

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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