Cheapest one-way flights from Seoul to London in January from $362

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

One-Way flights

14 Jan China Southern
24 Jan Air China
18 Jan Air China
22 Jan Air China
31 Jan Air China
23 Jan Air China
26 Jan Air China
27 Jan Air China
21 Jan Air China
19 Jan Air China

Also check the deals for return flights from Seoul to London in January.

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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