AirHint found the following cheapest return flights from Zurich (ZRH) to Bucharest (OTP) in August 2025 (see full year).

Return flights

30 Aug - 22 Sep	easyJet
27 Aug - 29 Aug	Air Serbia
31 Aug - 06 Sep	Air Serbia
28 Aug - 04 Sep	Air Serbia
30 Aug - 06 Sep	easyJet
31 Aug - 15 Sep	easyJet
26 Aug - 29 Aug	Condor
24 Aug - 30 Aug	Air Serbia
21 Aug - 23 Aug	Air Serbia
24 Aug - 27 Aug	Air Serbia
29 Aug - 05 Sep	Air Serbia
29 Aug - 06 Sep	Air Serbia
30 Aug - 13 Sep	easyJet
28 Aug - 31 Aug	Air Serbia
29 Aug - 31 Aug	Air Serbia
27 Aug - 01 Sep	Air Serbia
25 Aug - 27 Aug	easyJet
22 Aug - 29 Aug	Air Serbia
27 Aug - 31 Aug	Air Serbia
25 Aug - 10 Sep	SWISS	direct

Also check the deals for one-way flights from Zurich 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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Cheapest return flights from Zurich to Bucharest in August from $194

Return flights