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

Return flights

09 Jun - 15 Jun	Air China
03 Jun - 10 Jun	Air China
17 Jun - 24 Jun	Air China
04 Jun - 14 Jun	Air China
12 Jun - 17 Jun	Air China
02 Jun - 18 Jun	Air China
16 Jun - 22 Jun	Air China
05 Jun - 08 Jun	Air China
09 Jun - 20 Jun	Air China
05 Jun - 10 Jun	Air China
15 Jun - 12 Jul	Air China
30 Jun - 08 Jul	Air China
29 Jun - 10 Jul	Air China
27 Jun - 18 Jul	Air China
29 Jun - 22 Jul	Air China
22 Jun - 06 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 433€

Return flights