Cheapest return flights from London to Seoul in September from 646€

AirHint found the following cheapest return flights from London (STN) to Seoul (ICN) in September 2026 (see full year).

Return flights

22 Sep - 06 Oct Ryanair
07 Sep - 17 Sep Ryanair
09 Sep - 27 Sep Ryanair
29 Sep - 19 Oct Ryanair
20 Sep - 07 Oct Ryanair
06 Sep - 17 Sep Ryanair
16 Sep - 30 Sep Ryanair
29 Sep - 15 Oct Ryanair
02 Sep - 18 Sep Ryanair
30 Sep - 11 Oct Ryanair
29 Sep - 11 Oct Ryanair
20 Sep - 09 Oct Ryanair
08 Sep - 22 Sep Ryanair
29 Sep - 14 Oct Ryanair
20 Sep - 28 Sep Ryanair
16 Sep - 02 Oct Ryanair
09 Sep - 18 Sep Ryanair
15 Sep - 29 Sep Ryanair
20 Sep - 01 Oct Ryanair
13 Sep - 27 Sep Ryanair

Also check the deals for one-way 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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