AirHint found the following cheapest return flights from Seoul (ICN) to Barcelona (BCN) in June 2025 (see full year).

Return flights

13 Jun - 17 Jun	Lufthansa
13 Jun - 18 Jun	Lufthansa
13 Jun - 15 Jun	Lufthansa
14 Jun - 15 Jun	Lufthansa
15 Jun - 17 Jun	Lufthansa
13 Jun - 14 Jun	Lufthansa
14 Jun - 17 Jun	Lufthansa
14 Jun - 16 Jun	Lufthansa
17 Jun - 22 Jun	Air France
13 Jun - 16 Jun	Lufthansa
16 Jun - 15 Jul	Etihad Airways
30 Jun - 06 Jul	Etihad Airways
25 Jun - 03 Jul	Etihad Airways
16 Jun - 14 Jul	Etihad Airways
28 Jun - 10 Jul	Etihad Airways
28 Jun - 06 Jul	Etihad Airways
30 Jun - 17 Jul	Etihad Airways
18 Jun - 02 Jul	KLM
23 Jun - 08 Jul	Etihad Airways
28 Jun - 03 Jul	Lufthansa

Also check the deals for one-way flights from Seoul to Barcelona 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 Seoul to Barcelona in June from $617

Return flights