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

Return flights

08 Jun - 23 Jun	Lufthansa
01 Jun - 12 Jun	Lufthansa
22 Jun - 30 Jun	Lufthansa
10 Jun - 18 Jun	Lufthansa
01 Jun - 18 Jun	Lufthansa
01 Jun - 09 Jul	Lufthansa
09 Jun - 23 Jun	Lufthansa
15 Jun - 23 Jun	Lufthansa
08 Jun - 22 Jun	Lufthansa
11 Jun - 18 Jun	Lufthansa
23 Jun - 30 Jun	Lufthansa
05 Jun - 09 Jul	Lufthansa
29 Jun - 06 Jul	Lufthansa
30 Jun - 07 Jul	Lufthansa
30 Jun - 06 Jul	Lufthansa
29 Jun - 05 Jul	Air India
30 Jun - 05 Jul	Air India
26 Jun - 19 Jul	Air India
30 Jun - 10 Jul	Lufthansa
25 Jun - 09 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 $622

Return flights