AirHint found the following cheapest one-way flights from Porto (OPO) to Bucharest (OTP) in September 2026 (see full year).
One-Way flights
| 29 Sep | Ryanair | ||
| 28 Sep | Ryanair | ||
| 26 Sep | Ryanair | ||
| 24 Sep | Ryanair | ||
| 21 Sep | Ryanair | ||
| 19 Sep | Ryanair | ||
| 22 Sep | Ryanair | ||
| 27 Sep | Iberia | ||
| 01 Sep | KLM | ||
| 22 Sep | Wizz Air Malta | direct |
Also check the deals for return flights from Porto to Bucharest in September.
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