What is the per diem rate in Illinois?
$113 a night for lodging and $68 a day for meals and incidentals in most of Illinois for FY2027. 4 destinations have higher rates, listed below.
Illinois per diem rates 2027
GSA FY2027 · $113 lodging and $68 meals in most counties, higher in 4 destinations
Standard lodging$113a night, most counties
Standard meals$68$51 on travel days
Highest lodging$238Chicago
Destinations listed4above the standard rate
Per diem for your trip
Illinois, standard rate
—Illinois destinations above the standard rate
| Destination | Lodging a night | Meals |
|---|---|---|
| Chicago | Oct 1–Nov 30: $232Dec 1–Mar 31: $148Apr 1–Jun 30: $238Jul 1–Aug 31: $213Sep 1–Sep 30: $232 | $92 |
| East St. Louis / O'Fallon / Fairview Heights | $156 | $86 |
| Oakbrook Terrace | $123 | $80 |
| Bolingbrook / Romeoville / Lemont | $119 | $74 |
Every other county in Illinois uses $113 and $68. 3 of these changed from FY2026.
Source: U.S. General Services Administration, per diem rates, data through FY2027.
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Citation
insytesBI. (2027). Illinois per diem rates 2027. Data: U.S. General Services Administration, per diem rates, FY2027. https://www.insytesbi.com/per-diem/illinois/Link
<a href="https://www.insytesbi.com/per-diem/illinois/">Illinois per diem rates 2027</a>Frequently asked questions
Where is per diem highest in Illinois?
Chicago (Cook / Lake), at up to $238 a night in season and $148 the rest of the year, with $92 for meals.
What do the first and last days pay?
75% of the meals and incidentals rate: $51 at the standard rate, and up to $69 where meals are $92.
When do the FY2027 rates apply?
October 1, 2026 through September 30, 2027. 1 Illinois destination changes rate by season within that year.