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

Return flights

17 Jun - 24 Jun	Air China
05 Jun - 10 Jun	Air China
05 Jun - 12 Jun	China Southern
05 Jun - 14 Jun	Air China
03 Jun - 06 Jun	China Southern
12 Jun - 24 Jun	China Southern
01 Jun - 30 Jun	China Southern
13 Jun - 27 Jun	China Southern
20 Jun - 05 Jul	Air China
19 Jun - 26 Jun	China Southern
10 Jun - 17 Jun	Air China
29 Jun - 20 Jul	Air China
29 Jun - 03 Jul	Air China
27 Jun - 05 Jul	Air China
24 Jun - 02 Jul	EVA Air
23 Jun - 13 Jul	EVA Air
30 Jun - 22 Jul	EVA Air
25 Jun - 09 Jul	ANA
18 Jun - 02 Jul	ANA
28 Jun - 04 Jul	ANA

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

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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Cheapest return flights from Seoul to London in June from 544€

Return flights