Idaho Per Diem Rates 2026 (GSA FY2027)
The standard FY2027 per diem in Idaho is $113 lodging + $68 M&IE ($181/day); 3 locations have higher rates, up to $316/night in Sun Valley / Ketchum.
Effective Thu, Oct 1, 2026 to Thu, Sep 30, 2027.
$181
Standard rate per day
$113 lodging + $68 M&IE
3
Listed higher-rate locations
in Idaho
$316
Highest lodging per night
Sun Valley / Ketchum, Dec 1–Mar 31
$86
Highest M&IE per day
Boise
Highest lodging rate by Idaho city
Standard rate: $113/night (applies to every city not listed)
- Sun Valley / Ketchum$316
- Coeur d'Alene$227
- Boise$201
All Idaho per diem rates (FY2027)
| City | County | Lodging per night | M&IE | First/last day (75%) |
|---|---|---|---|---|
| Boise | Ada | Oct 1–Oct 31: $201 Nov 1–May 31: $176 Jun 1–Sep 30: $201 | $86 | $64.50 |
| Coeur d'Alene | Kootenai | Oct 1–May 31: $148 Jun 1–Aug 31: $227 Sep 1–Sep 30: $148 | $74 | $55.50 |
| Sun Valley / Ketchum | Blaine / Elmore | Oct 1–Nov 30: $184 Dec 1–Mar 31: $316 Apr 1–May 31: $183 Jun 1–Sep 30: $293 | $80 | $60 |
Anywhere in Idaho not listed uses the standard rate: $113 lodging + $68 M&IE.
Meals and incidentals (M&IE) in Idaho
| 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 |
| $86 | $22 | $23 | $36 | $5 | $64.50 |
Calculate your Idaho trip
Idaho (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 Idaho (standard rate): breakfast $16, lunch $19, dinner $28, incidentals $5; first and last day $51.
Idaho per diem FAQ
What is the per diem rate in Idaho for 2026?
For fiscal year 2027 (Oct 1, 2026 to Sep 30, 2027) the standard GSA per diem in Idaho is $113 per night for lodging plus $68 per day for meals and incidentals (M&IE), $181 per day. 3 Idaho locations have a higher listed rate, up to $316 per night in Sun Valley / Ketchum.
Which Idaho city has the highest per diem?
Sun Valley / Ketchum (Blaine / Elmore) has the highest listed lodging rate in Idaho: $316 per night from Dec 1 to Mar 31, with $80 per day for M&IE. The highest M&IE in the state is $86 per day in Boise.
How much is per diem for a 3-day trip to Sun Valley / Ketchum?
A trip with 2 nights and 3 travel days at Sun Valley / Ketchum, ID comes to at most $832: lodging 2 x $316 = $632 (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.