AirHint found the following cheapest return flights from Zagreb (ZAG) to Bucharest (OTP) in August 2025 (see full year).
Return flights
| 12 Aug - 16 Aug | Croatia Airlines | direct | |
| 02 Aug - 04 Aug | Air Serbia | ||
| 16 Aug - 19 Aug | LOT | ||
| 06 Aug - 09 Aug | Ryanair |
Also check the deals for one-way flights from Zagreb to Bucharest 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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