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

Return flights

02 Jun - 09 Jun	Air China
15 Jun - 29 Jun	Air China
01 Jun - 08 Jun	Air China
09 Jun - 18 Jun	Air China
12 Jun - 03 Jul	Air China
26 Jun - 09 Jul	Air China
15 Jun - 30 Jun	EVA Air
11 Jun - 17 Jun	Japan Airlines
01 Jun - 11 Jun	ANA
15 Jun - 22 Jun	Japan Airlines
29 Jun - 13 Jul	Japan Airlines
15 Jun - 26 Jun	EVA Air
08 Jun - 20 Jun	EVA Air
26 Jun - 10 Jul	Air China
26 Jun - 05 Jul	Air China
25 Jun - 09 Jul	Japan Airlines
25 Jun - 10 Jul	Japan Airlines
26 Jun - 12 Jul	Japan Airlines
25 Jun - 11 Jul	Japan Airlines
26 Jun - 11 Jul	Japan Airlines

Also check the deals for one-way flights from London to Seoul 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 London to Seoul in June from $705

Return flights