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

Return flights

18 Jun - 27 Jun	Air China
10 Jun - 01 Jul	Air China
17 Jun - 24 Jun	Air China
09 Jun - 13 Jun	Air China
01 Jun - 15 Jun	Air China
08 Jun - 13 Jun	Air China
16 Jun - 23 Jun	Air China
23 Jun - 26 Jun	Air China
09 Jun - 14 Jun	EVA Air
30 Jun - 05 Jul	EVA Air
11 Jun - 18 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 759€

Return flights