Sun Valley / Ketchum per diem ratesIdaho · FY 2027
Since FY 2021 its full-year average has climbed 123.7%, the largest rise among the 293 areas listed in all 7 years, ahead of Steamboat Springs (CO). Sun Valley / Ketchum’s full-year average lodging cap, $264 a night, is the 12th highest of the 295 non-standard areas, between San Francisco (CA) and Charleston (SC). Sun Valley / Ketchum’s December to March peak of $316 a night is the 15th highest monthly cap in the continental U.S., between Bar Harbor / Rockport (ME) and Ocean City (MD).
Sun Valley / Ketchum since FY 2021
Sun Valley / Ketchum’s high season has shifted: in FY 2021 it ran June to September, now December to March. Against FY 2026, Sun Valley / Ketchum’s full-year average rose 1.5%, between Oakhurst (CA) and Kingston (NY) among year-on-year changes. In FY 2021 Sun Valley / Ketchum ranked 185th of 293 by full-year average, between Durango (CO) and Oakhurst (CA). Along the way: up 103.2% in FY 2023, up 5.1% in FY 2024, up 3.2% in FY 2025.
Sun Valley / Ketchum among the 295
No other Idaho area has a higher full-year average lodging cap; next comes Boise ($186). Idaho, area by area.
| Months | Cap | Nights |
|---|---|---|
| October to November | $184 | 61 |
| December to March | $316 | 121 |
| April to May | $183 | 61 |
| June to September | $293 | 122 |
Four days in December
Monday, December 7, 2026, to Thursday: up to $1,228, three nights at the December cap plus $280 M&IE. Starting April 5 instead, in a low month, the same trip comes to $829.
Sun Valley / Ketchum’s peak is 1.73 times its low-season cap, the widest spread of the 3 seasonal areas in Idaho. Weighted by days, the cap sits 133.6% above the standard rate over the year.