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

Return flights

16 Jul - 21 Jul	China Eastern
11 Jul - 15 Jul	Etihad Airways
11 Jul - 20 Jul	Etihad Airways
11 Jul - 22 Jul	Etihad Airways
15 Jul - 21 Jul	Air France
13 Jul - 21 Jul	KLM
12 Jul - 20 Jul	Etihad Airways
06 Jul - 10 Jul	Etihad Airways
06 Jul - 20 Jul	Etihad Airways
09 Jul - 27 Aug	T'way Air	direct
06 Jul - 13 Jul	Etihad Airways
01 Jul - 31 Aug	Lufthansa
24 Jul - 24 Aug	Finnair
21 Jul - 29 Aug	T'way Air	direct
28 Jul - 20 Aug	Air France
30 Jul - 04 Aug	China Southern
12 Jul - 12 Aug	LOT
28 Jul - 20 Aug	T'way Air	direct
29 Jul - 02 Aug	Asiana Airlines
22 Jul - 06 Aug	Lufthansa

Also check the deals for one-way flights from Seoul to Barcelona in July.

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 July from $709

Return flights