AirHint found the following cheapest return flights from Zurich (ZRH) to Bucharest (OTP) in April 2026 (see full year).

Return flights

29 Apr - 06 May	Air Serbia
29 Apr - 05 May	Air Serbia
21 Apr - 30 Apr	Air Serbia
29 Apr - 04 May	Air Serbia
30 Apr - 06 May	Air Serbia
23 Apr - 04 May	Air Serbia
30 Apr - 05 May	Air Serbia
30 Apr - 04 May	Air Serbia
05 Apr - 15 Apr	SWISS	direct
29 Apr - 06 May	SWISS	direct
29 Apr - 05 May	SWISS	direct
11 Apr - 18 Apr	SWISS	direct
15 Apr - 19 Apr	Air Serbia
20 Apr - 25 Apr	easyJet
09 Apr - 16 Apr	Pegasus Airlines
09 Apr - 16 Apr	SWISS	direct
04 Apr - 14 Apr	SWISS	direct
08 Apr - 12 Apr	SWISS	direct
01 Apr - 09 Apr	SWISS	direct
30 Apr - 05 May	SWISS	direct

Also check the deals for one-way flights from Zurich to Bucharest in April.

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 April from 140€

Return flights