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

Return flights

04 Jun - 17 Jun	Air France
11 Jun - 17 Jun	Air France
09 Jun - 17 Jun	Air France
13 Jun - 23 Jun	Air France
04 Jun - 23 Jun	KLM
10 Jun - 17 Jun	Air France
18 Jun - 23 Jun	Air France
05 Jun - 17 Jun	Air France
06 Jun - 23 Jun	Air France
07 Jun - 17 Jun	Air France
11 Jun - 11 Jul	Air France
16 Jun - 01 Jul	Air China
18 Jun - 01 Jul	Air China
15 Jun - 10 Jul	Lufthansa
09 Jun - 03 Jul	Lufthansa
17 Jun - 06 Jul	Lufthansa
17 Jun - 03 Jul	Lufthansa
16 Jun - 10 Jul	Lufthansa
15 Jun - 19 Jul	Air India
24 Jun - 01 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 481€

Return flights