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

Return flights

17 Jun - 27 Jun	Air China
05 Jun - 13 Jun	Air China
26 Jun - 04 Jul	Air China
10 Jun - 27 Jun	Air China
15 Jun - 20 Jun	Air China
15 Jun - 25 Jun	Air China
22 Jun - 25 Jun	Air China
19 Jun - 27 Jun	Air China
08 Jun - 13 Jun	Air China
17 Jun - 25 Jun	Air China
08 Jun - 20 Jun	Air China
17 Jun - 04 Jul	Air China
24 Jun - 04 Jul	Air China
29 Jun - 04 Jul	Air China
23 Jun - 28 Jul	China Eastern
29 Jun - 25 Jul	Air China
08 Jun - 06 Jul	Air China
24 Jun - 06 Jul	Air China
29 Jun - 06 Jul	Air China
16 Jun - 02 Jul	Etihad Airways

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 498€

Return flights