Cheapest return flights from Zagreb to Bucharest in September from $149

Best time to book flights for Zagreb (ZAG) to Bucharest (OTP) flights at AirHint

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

Return flights

03 Sep - 23 Sep Air Serbia

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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