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

Return flights

01 Jun - 11 Jun	Air China
09 Jun - 16 Jun	Air China
09 Jun - 15 Jun	Air China
03 Jun - 10 Jun	Air China
02 Jun - 23 Jun	Air China
11 Jun - 26 Jun	Air China
01 Jun - 09 Jun	Air China
01 Jun - 08 Jun	Air China
16 Jun - 22 Jun	Air China
09 Jun - 22 Jun	Air China
18 Jun - 01 Jul	Air China
18 Jun - 08 Jul	Air China
17 Jun - 01 Jul	Air China
10 Jun - 15 Jul	Lufthansa
03 Jun - 15 Jul	Lufthansa
24 Jun - 26 Jul	Air India
24 Jun - 21 Jul	Air India
25 Jun - 14 Jul	Air India
30 Jun - 16 Jul	Lufthansa
29 Jun - 16 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 426€

Return flights