AirHint found the following cheapest return flights from Atlanta (ATL) to Oslo (OSL) in December 2025 (see full year).
Return flights
| 30 Dec - 14 Jan | Lufthansa | ||
| 31 Dec - 07 Jan | Air Canada | ||
| 30 Dec - 06 Jan | British Airways | ||
| 29 Dec - 05 Jan | British Airways |
Also check the deals for one-way flights from Atlanta to Oslo in December.
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