AirHint found the following cheapest return flights from Bucharest (OTP) to Zurich (ZRH) in September 2026 (see full year).
Return flights
| 19 Sep - 22 Sep | Air Serbia | ||
| 05 Sep - 06 Sep | Air Serbia | ||
| 19 Sep - 22 Sep | SWISS | direct | |
| 18 Sep - 21 Sep | SWISS | direct | |
| 05 Sep - 06 Sep | SWISS | direct | |
| 03 Sep - 11 Sep | SWISS | direct |
Also check the deals for one-way flights from Bucharest to Zurich in September.
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