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

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

Return flights

07 Sep - 14 Sep Air China
07 Sep - 21 Sep Scandinavian Airlines
16 Sep - 22 Sep Air China
11 Sep - 18 Sep Air China
09 Sep - 14 Sep Air China
08 Sep - 15 Sep Scandinavian Airlines
07 Sep - 16 Sep Scandinavian Airlines
12 Sep - 20 Sep Scandinavian Airlines
17 Sep - 29 Sep Scandinavian Airlines
09 Sep - 16 Sep Air China
27 Sep - 05 Oct Finnair
26 Sep - 05 Oct Finnair
24 Sep - 01 Oct Scandinavian Airlines
24 Sep - 02 Oct Scandinavian Airlines
23 Sep - 05 Oct Scandinavian Airlines
30 Sep - 07 Oct Scandinavian Airlines
26 Sep - 03 Oct Finnair
25 Sep - 09 Oct Scandinavian Airlines
20 Sep - 01 Oct Emirates
24 Sep - 10 Oct LOT

Also check the deals for one-way flights from Seoul to London 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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