AirHint found the following cheapest one-way flights from Lisbon (LIS) to Bucharest (OTP) in September 2026 (see full year).
One-Way flights
| 23 Sep | Ryanair | ||
| 18 Sep | Ryanair | ||
| 08 Sep | easyJet | ||
| 09 Sep | easyJet | ||
| 22 Sep | easyJet | ||
| 28 Sep | Ryanair | ||
| 28 Sep | Wizz Air Malta | direct | |
| 20 Sep | Ryanair | ||
| 23 Sep | Wizz Air Malta | direct | |
| 27 Sep | easyJet |
Also check the deals for return flights from Lisbon to Bucharest in September.
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