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

Return flights

30 Oct - 04 Nov	SWISS	direct
17 Oct - 20 Oct	Air Serbia
08 Oct - 13 Oct	Air Serbia
09 Oct - 13 Oct	easyJet
06 Oct - 23 Oct	easyJet
07 Oct - 13 Oct	easyJet
25 Oct - 31 Oct	easyJet
13 Oct - 13 Oct	easyJet
11 Oct - 13 Oct	easyJet
06 Oct - 23 Oct	SWISS	direct
05 Oct - 15 Oct	SWISS	direct
31 Oct - 03 Nov	easyJet
31 Oct - 03 Nov	SWISS	direct
31 Oct - 02 Nov	SWISS	direct

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

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 October from $189

Return flights