Cheapest return flights from Zagreb to Bucharest in September from 131€

AirHint found the following cheapest return flights from Zagreb (ZAG) to Bucharest (OTP) in September 2025 (see full year).

Return flights

13 Sep - 16 Sep Croatia Airlines direct
10 Sep - 15 Sep Ryanair
03 Sep - 06 Sep Air Serbia
25 Sep - 27 Sep Air Serbia
24 Sep - 26 Sep Air Serbia
06 Sep - 09 Sep Croatia Airlines direct
01 Sep - 06 Sep Ryanair

Also check the deals for one-way flights from Zagreb to Bucharest in September.

Skyscanner

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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