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

Return flights

05 Jun - 13 Jun	China Southern
11 Jun - 14 Jun	China Southern
12 Jun - 16 Jun	China Southern
08 Jun - 14 Jun	China Southern
08 Jun - 16 Jun	Air China
10 Jun - 19 Jun	Air China
12 Jun - 19 Jun	Air China
13 Jun - 21 Jun	Air China
07 Jun - 12 Jun	Air China
03 Jun - 09 Jun	Air China
27 Jun - 03 Jul	Air China
29 Jun - 18 Jul	Air China
24 Jun - 03 Jul	Air China
29 Jun - 08 Jul	Air China
30 Jun - 29 Jul	Air China
19 Jun - 03 Jul	Air China
22 Jun - 05 Jul	Air China
29 Jun - 07 Jul	Air China
30 Jun - 22 Jul	Air China
28 Jun - 07 Jul	Air China

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 430€

Return flights