AirHint found the following cheapest return flights from Osaka (KIX) to Barcelona (BCN) in May 2026 (see full year).

Return flights

14 May - 21 May	Singapore Airlines
02 May - 08 May	Singapore Airlines
31 May - 04 Jun	Singapore Airlines
16 May - 24 May	Singapore Airlines
17 May - 23 May	Cathay Pacific
01 May - 05 May	Singapore Airlines
01 May - 06 May	Singapore Airlines
16 May - 23 May	Etihad Airways

Also check the deals for one-way flights from Osaka to Barcelona in May.

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 Osaka to Barcelona in May from $854

Return flights