Sun Valley / Ketchum Per Diem Rate (FY2026)
Blaine / Elmore · Idaho · Official U.S. GSA federal per diem
For fiscal year 2026, the GSA per diem rate for Sun Valley / Ketchum is $80/day for meals & incidental expenses (M&IE) and $181–$300/night for lodging depending on the month, compared with the standard $178/day CONUS rate ($110 lodging + $68 M&IE). Lodging peaks in January and is lowest in April.
A 4-night business trip to Sun Valley / Ketchum in January totals $1,560: $1,200 lodging (4 nights) + $360 M&IE (5 days, first & last day at 75%).
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Sun Valley / Ketchum lodging rate by month (FY2026)
Nightly lodging caps for Sun Valley / Ketchum. M&IE is flat at $80/day and does not change by month.
| Month | Lodging / night | Season |
|---|---|---|
| Jan | $300 | Peak |
| Feb | $300 | Peak |
| Mar | $300 | Peak |
| Apr | $181 | Low |
| May | $181 | Low |
| Jun | $295 | · |
| Jul | $295 | · |
| Aug | $295 | · |
| Sep | $295 | · |
| Oct | $191 | · |
| Nov | $191 | · |
| Dec | $300 | Peak |
How does Sun Valley / Ketchum compare with other Idaho per diem areas?
Sun Valley / Ketchum is the most expensive per diem area in Idaho for FY2026: its $300/night peak lodging cap tops the state's 3 non-standard areas, $64 above the state's $236/night NSA average.
Lodging in Sun Valley / Ketchum swings 66% across the year — from $181/night in April to $300/night in January — so the same 4-night stay reimburses $476 more at the peak. M&IE stays flat at $80/day regardless of season.
The next cheaper Idaho area is Coeur d'Alene at $217/night peak; every unlisted Idaho location falls back to the $110 standard rate.
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Sun Valley / Ketchum per diem FAQ
- What is the per diem rate for Sun Valley / Ketchum?
- For FY2026, the GSA per diem rate for Sun Valley / Ketchum, Idaho is $80 per day for meals and incidental expenses (M&IE) and $181–$300/night for lodging depending on the month. The standard CONUS rate, for comparison, is $178 per day ($110 lodging + $68 M&IE).
- What is the meal reimbursement (M&IE) rate in Sun Valley / Ketchum?
- $80 per day for FY2026: $20 breakfast, $22 lunch, $33 dinner and $5 incidentals. The first and last day of travel reimburse at 75%, or $60.
- Is Sun Valley / Ketchum the most expensive per diem area in Idaho?
- Yes. By peak lodging cap, Sun Valley / Ketchum tops the 3 non-standard areas GSA lists in Idaho for FY2026 at $300/night — $190 above the $110 standard cap. Its full daily rate reaches $380 with M&IE included.
- Why does lodging per diem in Sun Valley / Ketchum change by month?
- GSA sets seasonal lodging caps for high-demand areas. In Sun Valley / Ketchum, lodging is highest in January at $300/night and lowest in April at $181/night. M&IE stays flat at $80/day all year.
- What is the tax-free travel nurse stipend cap in Sun Valley / Ketchum?
- Tax-free housing and meal stipends for travel nurses are capped at the GSA per diem for the assignment location. In Sun Valley / Ketchum the full daily cap is up to $380 (peak-month lodging + $80 M&IE). The portion above the GSA rate is taxable wages, and the stipend is only tax-free at all if you maintain a qualifying tax home.