AirHint found the following cheapest return flights from Grenoble (GNB) to Bucharest (OTP) in January 2026 (see full year).
Return flights
| 11 Jan - 18 Jan | Wizz Air UK | ||
| 16 Jan - 18 Jan | Ryanair | ||
| 29 Jan - 01 Feb | Ryanair | ||
| 15 Jan - 01 Feb | British Airways | ||
| 22 Jan - 25 Jan | British Airways |
Also check the deals for one-way flights from Grenoble to Bucharest in January.
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