Per diem rates
Big Sky / West Yellowstone/Gardiner, MT per diem rates
Official FY2026 GSA per diem for Big Sky / West Yellowstone/Gardiner (Gallatin/Park County), Montana. Lodging is capped at $176.00–$310.00 per night depending on the season, and meals & incidentals are $80.00 per day ($60.00 on your first and last travel day).
Big Sky / West Yellowstone/Gardiner rate table
| Months | Lodging (per night) |
|---|---|
| Jan–May | $176.00 |
| Jun–Sep | $310.00 |
| Oct–Dec | $176.00 |
| M&IE (per day) | $80.00 · $60.00 first/last day |
Lodging changes by month here — the calculator uses the right rate for each night of your trip.
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Per diem tripFY 2026 rates
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Other Montana per diem rates
Rates from the GSA FY2026 dataset. PerDiemWise is an independent tool, not affiliated with the GSA.