AirHint found the following cheapest return flights from Osaka (ITM) to Barcelona (BCN) in August 2025 (see full year).

Return flights

24 Aug - 08 Sep	ANA
31 Aug - 03 Sep	Japan Airlines
29 Aug - 02 Sep	Lufthansa
18 Aug - 24 Aug	Qatar Airways
20 Aug - 27 Aug	Japan Airlines
29 Aug - 06 Sep	Lufthansa
29 Aug - 05 Sep	Lufthansa
19 Aug - 27 Aug	Japan Airlines
16 Aug - 21 Aug	Lufthansa
31 Aug - 04 Sep	Lufthansa
22 Aug - 24 Aug	Etihad Airways
19 Aug - 23 Aug	Japan Airlines
17 Aug - 22 Aug	Lufthansa
31 Aug - 05 Sep	Lufthansa
19 Aug - 25 Aug	Japan Airlines
23 Aug - 30 Aug	Lufthansa
21 Aug - 25 Aug	Japan Airlines

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

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 August from 1108€

Return flights