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

Return flights

15 Jun - 24 Jun	Air China
08 Jun - 15 Jun	Air China
02 Jun - 15 Jun	Air China
11 Jun - 24 Jun	Air China
09 Jun - 22 Jun	Air China
16 Jun - 21 Jun	Air China
08 Jun - 21 Jun	Air China
11 Jun - 21 Jun	Air China
08 Jun - 29 Jun	Air China
01 Jun - 08 Jun	Air China
16 Jun - 06 Jul	Air China
15 Jun - 06 Jul	Air China
06 Jun - 06 Jul	Air China
17 Jun - 06 Jul	Air China
17 Jun - 01 Jul	Air China
17 Jun - 29 Jul	Air China
16 Jun - 28 Jul	Lufthansa
03 Jun - 15 Jul	Lufthansa
24 Jun - 21 Jul	Lufthansa
18 Jun - 02 Jul	Lufthansa

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 431€

Return flights