Sun Valley / Ketchum, Idaho Per Diem Rates, FY2027 (2026-27)
GSA sets per diem for the Sun Valley / Ketchum locality (Blaine / Elmore) at $183 to $316 a night for lodging, depending on the month, and $80 a day for meals and incidental expenses (M&IE). These rates run from October 1, 2026 to September 30, 2027.
Source: U.S. General Services Administration, read 2026-10-15. Lodging excludes taxes.
Lodging (peak)
$316/night
Lowest month: $183
M&IE
$80/day
First and last day: $60.00
Full week (lodging + M&IE)
$2,772
Lowest month: $1,841
Sun Valley lodging by season
GSA sets lodging by month here. The highest period (Dec–Mar) is $133 a night above the lowest (Apr–May), so the month you travel changes what is reimbursed.
| Months (FY2027) | Lodging / night | Lodging + M&IE / week |
|---|---|---|
| Oct–Nov | $184 | $1,848 |
| Dec–Mar | $316 | $2,772 |
| Apr–May | $183 | $1,841 |
| Jun–Sep | $293 | $2,611 |
Sun Valley Per Diem for Calendar 2026, Month by Month
GSA rates run by federal fiscal year, so calendar 2026 uses two sets of rates: January–September fall in FY2026, and October–December fall in FY2027. Peak lodging went from $300 to $316 a night (up $16), and M&IE stayed at $80 a day.
| Month (2026) | Fiscal year | Lodging / night | M&IE / day | Total / week |
|---|---|---|---|---|
| Jan | FY2026 | $300 | $80 | $2,660 |
| Feb | FY2026 | $300 | $80 | $2,660 |
| Mar | FY2026 | $300 | $80 | $2,660 |
| Apr | FY2026 | $181 | $80 | $1,827 |
| May | FY2026 | $181 | $80 | $1,827 |
| Jun | FY2026 | $295 | $80 | $2,625 |
| Jul | FY2026 | $295 | $80 | $2,625 |
| Aug | FY2026 | $295 | $80 | $2,625 |
| Sep | FY2026 | $295 | $80 | $2,625 |
| Oct | FY2027 | $184 | $80 | $1,848 |
| Nov | FY2027 | $184 | $80 | $1,848 |
| Dec | FY2027 | $316 | $80 | $2,772 |
A trip or contract that runs across 1 October is covered by both years: each night is capped by the rate for the month it falls in. Total / week is (lodging + M&IE) × 7.
Example: a 5-day trip
Five days and four nights in Sun Valley during Dec–Mar:
- Lodging: 4 nights × $316 = $1,264
- M&IE: 3 full days × $80 + 2 travel days × $60.00 = $360.00
- Maximum per diem: $1,624.00
Lodging is reimbursed up to the rate for actual cost; M&IE is a flat allowance. Your employer's policy may differ.
Calculate your own datesHow Sun Valley compares
The CONUS standard rate, used anywhere in Idaho outside a named locality, is $113 a night plus $68 M&IE. Sun Valley peaks $203 a night higher.
Other Idaho localities: Boise ($201), Coeur d'Alene ($227). All Idaho rates.
For travel nurses on assignment in Sun Valley
An agency can pay housing and meal stipends tax-free up to $2,772 a week here at the peak ($1,841 in the lowest month), and only if you keep a qualifying tax home. Check an offer with the stipend calculator.
Frequently Asked Questions
What is the Sun Valley / Ketchum per diem rate for 2026-27?
For fiscal year 2027 (October 1, 2026 to September 30, 2027), GSA sets Sun Valley / Ketchum, Idaho at $183 to $316 a night for lodging depending on the month, and $80 a day for meals and incidental expenses (M&IE). The locality covers Blaine / Elmore.
What is the first and last day M&IE in Sun Valley?
$60.00, which is 75% of the $80 full-day rate, per GSA's M&IE breakdown.
Is Sun Valley per diem higher than the standard rate?
Yes. At its peak, Sun Valley lodging is $203 a night above the $113 CONUS standard rate, and M&IE is $80 against the standard $68.
What was the Sun Valley per diem in 2026?
Calendar 2026 spans two GSA fiscal years. January to September 2026 used FY2026 rates: lodging $181–$300 a night and M&IE $80 a day. October to December 2026 use FY2027 rates: lodging $183–$316 a night and M&IE $80 a day.