AirHint found the following cheapest return flights from Oslo (OSL) to Budapest (BUD) in December 2026 (see full year).
Return flights
| 28 Dec - 15 Jan | KLM | ||
| 28 Dec - 07 Jan | Norwegian | direct | |
| 28 Dec - 15 Jan | Norwegian | direct | |
| 28 Dec - 31 Dec | Norwegian | direct |
Also check the deals for one-way flights from Oslo to Budapest in December.
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