AirHint found the following cheapest return flights from Rotterdam (RTM) to Oslo (OSL) in December 2025 (see full year).
Return flights
| 07 Dec - 14 Dec | transavia | ||
| 01 Dec - 04 Dec | transavia | ||
| 21 Dec - 09 Jan | transavia | ||
| 26 Dec - 30 Dec | transavia | ||
| 20 Dec - 03 Jan | transavia |
Also check the deals for one-way flights from Rotterdam to Oslo in December.
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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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