AirHint found the following cheapest return flights from Austin (AUS) to Oslo (OSL) in November 2025 (see full year).
Return flights
| 15 Nov - 06 Dec | Frontier Airlines | ||
| 24 Nov - 08 Dec | Delta | ||
| 16 Nov - 06 Dec | Frontier Airlines | ||
| 12 Nov - 15 Nov | Lufthansa | ||
| 21 Nov - 29 Nov | Frontier Airlines | ||
| 22 Nov - 29 Nov | KLM |
Also check the deals for one-way flights from Austin to Oslo in November.
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