2026 Per Diem Calculator for Montana
When traveling for business in Montana, here are the per diem rates you’re allowed for hotels, meals, and incidentals.
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Per Diem Rates for Lodging in Montana
The General Services Administration set the per diem rates on a monthly basis for all destinations in Montana. Here are the per diem rates that apply in Montana when you travel there for business.
City | County | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Standard Rate | Applies for all locations without specified rates | $110 | $110 | $110 | $110 | $110 | $110 | $110 | $110 | $110 | $110 | $110 | $110 |
Big Sky / West Yellowstone/Gardiner | Gallatin/Park | $176 | $176 | $176 | $176 | $176 | $310 | $310 | $310 | $310 | $176 | $176 | $176 |
Helena | Lewis and Clark | $132 | $132 | $132 | $132 | $132 | $132 | $132 | $132 | $132 | $132 | $132 | $132 |
Kalispell/Whitefish | Flathead | $124 | $124 | $124 | $124 | $124 | $124 | $232 | $232 | $232 | $124 | $124 | $124 |
Missoula | Missoula | $130 | $130 | $130 | $130 | $130 | $195 | $195 | $195 | $195 | $130 | $130 | $130 |
Per Diem Rates for Meals and Incidentals in Montana
City | County | Lodging | Meals & Incidentals rate | Trip totals |
|---|---|---|---|---|
Standard Rate | Applies for all locations without specified rates | $110 | $73 | $183 |
Big Sky / West Yellowstone/Gardiner | Gallatin/Park | $221 | $85 | $306 |
Helena | Lewis and Clark | $132 | $79 | $211 |
Kalispell/Whitefish | Flathead | $151 | $85 | $236 |
Missoula | Missoula | $152 | $79 | $231 |
Frequently visited states for business
Planning a business trip to Montana
Per diem rates in Montana can differ by destination and, in some markets, by month. Before booking, compare the city rate in this calculator with your company’s corporate travel policy—including any hotel cap, booking-channel rule, or approval requirement.
Where business travelers stay in Montana
For a trip involving Billings, Bozeman, and Missoula, compare the city-specific rate with the meeting address, arrival time, and ground-transport plan; the most practical hotel is not always the lowest-priced option.
Conferences, meetings, and company offsites
When an agenda combines client meetings, a conference, or an offsite in Montana, choose the rate for the actual overnight location rather than a nearby market. Confirm the venue, airport, and hotel plan before the trip so attendees are working from the same assumptions.
Using per diem and documenting expenses
Per diem is an allowance framework, not a substitute for an employer’s rules. Treat each qualifying business expense according to your policy, retain supporting documentation when required, and submit an expense report with the business purpose and trip details your organization requests.
Top Industries:
- Agriculture: Major producer of cattle, wheat, and barley.
- Tourism: Attractions include national parks, such as Yellowstone and Glacier.
- Mining: Includes production of copper, coal, and other minerals.
- Forestry: Significant timber industry with extensive forest lands.
- Energy: Includes oil, natural gas, and coal production.
- Healthcare: Includes medical centers and healthcare services.
- Education: Home to universities like Montana State University.
- Technology: Growing sector with a focus on software and tech startups.
- Retail: Includes both national and local retailers.
- Renewable Energy: Investments in wind and solar energy projects.
Some of the Biggest Companies:
- Montana Resources (Butte): Operates copper and molybdenum mining operations.
- New West Health Services (Helena): Provides healthcare services and insurance.
- Montana State University (Bozeman): Montana’s largest university is a premier research university.
- Billings Clinic (Billings): An integrated, nonprofit healthcare organization.
