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

Return flights

06 Jun - 16 Jun	Air China
24 Jun - 08 Jul	Air China
25 Jun - 28 Jun	Air China
01 Jun - 14 Jun	Air China
06 Jun - 14 Jun	Air China
23 Jun - 21 Jul	Air China
19 Jun - 26 Jun	Air China
15 Jun - 26 Jun	Air China
05 Jun - 12 Jun	Air China
05 Jun - 14 Jun	Air China
23 Jun - 26 Jun	Air China
21 Jun - 24 Jun	Air China
29 Jun - 10 Jul	Air China
25 Jun - 02 Jul	ANA
27 Jun - 09 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 $886

Return flights