Montana Per Diem Rates 2026 (GSA FY2027)
The standard FY2027 per diem in Montana is $113 lodging + $68 M&IE ($181/day); 4 locations have higher rates, up to $326/night in Big Sky / West Yellowstone/Gardiner.
Effective Thu, Oct 1, 2026 to Thu, Sep 30, 2027.
$181
Standard rate per day
$113 lodging + $68 M&IE
4
Listed higher-rate locations
in Montana
$326
Highest lodging per night
Big Sky / West Yellowstone/Gardiner, Jun 1–Sep 30
$80
Highest M&IE per day
Big Sky / West Yellowstone/Gardiner
Highest lodging rate by Montana city
Standard rate: $113/night (applies to every city not listed)
- Big Sky / West Yellowstone/Gardiner$326
- Kalispell/Whitefish$244
- Missoula$199
- Helena$140
All Montana per diem rates (FY2027)
| City | County | Lodging per night | M&IE | First/last day (75%) |
|---|---|---|---|---|
| Big Sky / West Yellowstone/Gardiner | Gallatin/Park | Oct 1–May 31: $169 Jun 1–Sep 30: $326 | $80 | $60 |
| Helena | Lewis and Clark | All year: $140 | $74 | $55.50 |
| Kalispell/Whitefish | Flathead | Oct 1–Jun 30: $126 Jul 1–Sep 30: $244 | $80 | $60 |
| Missoula | Missoula | Oct 1–May 31: $135 Jun 1–Sep 30: $199 | $74 | $55.50 |
Anywhere in Montana not listed uses the standard rate: $113 lodging + $68 M&IE.
Meals and incidentals (M&IE) in Montana
| M&IE per day | Breakfast | Lunch | Dinner | Incid. | First/last day |
|---|---|---|---|---|---|
| $68 | $16 | $19 | $28 | $5 | $51 |
| $74 | $18 | $20 | $31 | $5 | $55.50 |
| $80 | $20 | $22 | $33 | $5 | $60 |
Calculate your Montana trip
Montana (standard rate): 2 nights, 3 travel days
Maximum per diem for this trip
$396
Lodging
$226
Meals and incidentals (M&IE)
$170
First report free: log real expenses next to your per diem and export a PDF or Excel expense report.
Day-by-day breakdown
| Date | Lodging | M&IE | Note |
|---|---|---|---|
| Mon, Nov 9, 2026 | $113 | $51 | First day, 75% M&IE |
| Tue, Nov 10, 2026 | $113 | $68 | Full day, 100% M&IE |
| Wed, Nov 11, 2026 | none | $51 | Last day, 75% M&IE |
| Total | $226 | $170 |
Lodging is the maximum nightly rate for the season that covers each night, not a flat allowance for hotel receipts. M&IE here is $68 per day at Montana (standard rate): breakfast $16, lunch $19, dinner $28, incidentals $5; first and last day $51.
Montana per diem FAQ
What is the per diem rate in Montana for 2026?
For fiscal year 2027 (Oct 1, 2026 to Sep 30, 2027) the standard GSA per diem in Montana is $113 per night for lodging plus $68 per day for meals and incidentals (M&IE), $181 per day. 4 Montana locations have a higher listed rate, up to $326 per night in Big Sky / West Yellowstone/Gardiner.
Which Montana city has the highest per diem?
Big Sky / West Yellowstone/Gardiner (Gallatin/Park) has the highest listed lodging rate in Montana: $326 per night from Jun 1 to Sep 30, with $80 per day for M&IE.
How much is per diem for a 3-day trip to Big Sky / West Yellowstone/Gardiner?
A trip with 2 nights and 3 travel days at Big Sky / West Yellowstone/Gardiner, MT comes to at most $852: lodging 2 x $326 = $652 (the highest seasonal rate; other months are lower), plus M&IE of $80 for the middle day and $60 (75%) for the first and last day. Use the calculator above for exact dates.
Do private employers have to use GSA per diem rates?
No. GSA rates are written for federal travelers; many private employers use them as a benchmark, and your employer's policy decides what applies to you.
Data: GSA FY2027 per diem rates, effective Oct 1, 2026 (public domain; source gsa.gov). Last checked Sat, Oct 31, 2026. Easy Trip Expenses is not affiliated with the GSA. Results are the maximum allowance, not a guarantee of what your employer pays.