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

Return flights

06 Jun - 13 Jun	China Eastern
09 Jun - 15 Jun	Air China
12 Jun - 21 Jun	Air China
15 Jun - 24 Jun	Air China
07 Jun - 11 Jun	Air China
17 Jun - 23 Jun	Air China
03 Jun - 09 Jun	Air China
14 Jun - 20 Jun	Air China
12 Jun - 19 Jun	Air China
03 Jun - 06 Jun	Air China
24 Jun - 03 Jul	Air China
24 Jun - 01 Jul	Emirates
29 Jun - 06 Jul	Emirates
22 Jun - 03 Jul	Air China
22 Jun - 17 Jul	Air China
25 Jun - 04 Jul	Air China
24 Jun - 04 Jul	Emirates
30 Jun - 08 Jul	Emirates
30 Jun - 07 Jul	Emirates
29 Jun - 04 Jul	Emirates

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 404€

Return flights