AirHint found the following cheapest one-way flights from Boise (BOI) to Hahn (HHN) in December 2025 (see full year).
One-Way flights
| 11 Dec | Frontier Airlines | ||
| 08 Dec | Alaska Airlines | ||
| 12 Dec | Frontier Airlines | ||
| 14 Dec | Hawaiian Airlines |
Also check the deals for return flights from Boise to Hahn in December.
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