Cheapest one-way flights from Seoul to London in September from $359

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

One-Way flights

30 Sep Etihad Airways
28 Sep Etihad Airways
06 Sep Etihad Airways
13 Sep Etihad Airways
05 Sep Etihad Airways
09 Sep Air China
16 Sep Thai AirAsia X
02 Sep Air China
12 Sep Air China
14 Sep Thai AirAsia X

Also check the deals for return 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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