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

Return flights

14 Jun - 21 Jun	Air China
08 Jun - 16 Jun	Air China
06 Jun - 21 Jun	Air China
15 Jun - 19 Jun	Air China
04 Jun - 12 Jun	Air China
04 Jun - 17 Jun	Air China
17 Jun - 26 Jun	Air China
07 Jun - 22 Jun	Air China
16 Jun - 22 Jun	Air China
16 Jun - 24 Jun	Air China
18 Jun - 03 Jul	Air China
17 Jun - 03 Jul	Air China
17 Jun - 06 Jul	Air China
16 Jun - 06 Jul	Air China
15 Jun - 06 Jul	Air China
17 Jun - 01 Jul	Lufthansa
03 Jun - 15 Jul	Lufthansa
15 Jun - 21 Jul	Lufthansa
18 Jun - 11 Jul	Air China
25 Jun - 12 Jul	Air India

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 $548

Return flights