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

Return flights

10 Jun - 01 Jul	Air China
10 Jun - 14 Jun	Air China
17 Jun - 24 Jun	Air China
02 Jun - 16 Jun	Air China
01 Jun - 12 Jun	Air China
09 Jun - 16 Jun	Air China
03 Jun - 17 Jun	Air China
11 Jun - 19 Jun	Air China
03 Jun - 10 Jun	Air China
11 Jun - 17 Jun	Air China
06 Jun - 14 Jun	Air China
18 Jun - 06 Jul	Air China
18 Jun - 03 Jul	Air China
22 Jun - 27 Jul	Lufthansa
29 Jun - 06 Jul	Lufthansa
21 Jun - 04 Jul	Air India
18 Jun - 02 Jul	Air China
24 Jun - 15 Jul	Austrian Airlines
22 Jun - 19 Jul	Austrian Airlines
25 Jun - 21 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 544€

Return flights