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

Return flights

03 Jun - 09 Jun	Vietnam Airlines
01 Jun - 11 Jun	Vietnam Airlines
07 Jun - 14 Jun	Vietnam Airlines
07 Jun - 19 Jun	Air China
23 Jun - 26 Jun	Emirates
18 Jun - 25 Jun	Emirates
24 Jun - 01 Jul	Emirates
13 Jun - 20 Jun	Air China
30 Jun - 30 Jul	Air China
28 Jun - 05 Jul	Vietnam Airlines
27 Jun - 05 Jul	Air China
28 Jun - 06 Jul	Air China
30 Jun - 06 Jul	Air China
02 Jun - 07 Jun	Air China
07 Jun - 15 Jun	Air China
25 Jun - 28 Jun	Emirates
29 Jun - 06 Jul	Emirates
30 Jun - 07 Jul	Emirates
28 Jun - 03 Jul	Emirates
01 Jun - 23 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 635€

Return flights