Cheapest return flights from Seoul to London in September from 558€

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

Return flights

10 Sep - 01 Oct LOT
04 Sep - 08 Sep LOT
10 Sep - 16 Sep LOT
14 Sep - 21 Sep Lufthansa
15 Sep - 21 Sep Lufthansa
08 Sep - 16 Sep Finnair
08 Sep - 23 Sep Finnair
08 Sep - 15 Sep Finnair
15 Sep - 23 Sep Finnair
15 Sep - 22 Sep Finnair
08 Sep - 22 Sep Finnair
18 Sep - 30 Oct Etihad Airways
11 Sep - 16 Oct Lufthansa
22 Sep - 13 Oct Vietnam Airlines
15 Sep - 25 Oct Finnair
15 Sep - 28 Oct Finnair
04 Sep - 03 Oct Air China
23 Sep - 14 Oct Air China
09 Sep - 28 Oct LOT
03 Sep - 02 Oct Lufthansa

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