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

Return flights

07 Jun - 14 Jun	Air China
03 Jun - 10 Jun	Air China
15 Jun - 19 Jun	Air China
10 Jun - 17 Jun	Air China
16 Jun - 23 Jun	Air China
27 Jun - 05 Jul	Air China
23 Jun - 30 Jun	Air China
23 Jun - 03 Jul	ANA
23 Jun - 04 Jul	ANA
22 Jun - 29 Jun	ANA
19 Jun - 03 Jul	Air China
01 Jun - 13 Jun	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 764€

Return flights