Chicago, IL per diem rates, FY2027
The GSA per diem for Chicago, IL in fiscal year 2027 (October 2026 to September 2027) is $148 to $238 a night for lodging plus $92 a day for meals and incidental expenses (M&IE), up to $330 a day in total. GSA defines the locality by county as: Cook / Lake (Illinois).
Monthly lodging rates in Chicago, IL, FY2027
Lodging peaks at $238 in Apr, May, Jun and is lowest at $148 in Dec, Jan, Feb, Mar. Book travel in the low months when the work allows.
| Month | Lodging | M&IE | Daily total |
|---|---|---|---|
| Oct 2026 | $232 | $92 | $324 |
| Nov 2026 | $232 | $92 | $324 |
| Dec 2026 | $148 | $92 | $240 |
| Jan 2027 | $148 | $92 | $240 |
| Feb 2027 | $148 | $92 | $240 |
| Mar 2027 | $148 | $92 | $240 |
| Apr 2027 | $238 | $92 | $330 |
| May 2027 | $238 | $92 | $330 |
| Jun 2027 | $238 | $92 | $330 |
| Jul 2027 | $213 | $92 | $305 |
| Aug 2027 | $213 | $92 | $305 |
| Sep 2027 | $232 | $92 | $324 |
How the $92 M&IE breaks down
GSA's official split, used when a meal is provided and must be deducted.
- Breakfast
- $23
- Lunch
- $26
- Dinner
- $38
- Incidental expenses
- $5
- First and last day of travel (75%)
- $69
Worked example: a 3-night trip
At the highest monthly lodging rate, arriving and leaving on travel days.
- Lodging: 3 nights × $238
- $714
- M&IE: 2 full days × $92
- $184
- M&IE: 2 travel days × $69
- $138
- Maximum reimbursable per traveler
- $1,036
Excludes airfare, rental car and taxes on lodging, which are reimbursed separately under the Federal Travel Regulation.
Change from FY2026
Lodging moved from $142 to $234 a night in FY2026 to $148 to $238 in FY2027. M&IE stays at $92 a day. Bids priced on last year's table should be updated for travel after October 1, 2026.
Other per diem localities in Illinois
- Bolingbrook / Romeoville / Lemont, IL$119 + $74
- East St. Louis / O'Fallon / Fairview Heights, IL$156 + $86
- Oakbrook Terrace, IL$123 + $80
Anywhere in Illinois without its own rate uses the FY2027 standard rate: $113 lodging plus $68 M&IE. Search any city in the per diem lookup.
Source and limits
Official GSA CONUS per diem rates for FY2027, read from GSA's Per Diem API on 2026-10-22. Use them to price and benchmark travel; how you bill travel depends on your contract's travel clause. Verify current rates at gsa.gov.
Pricing travel into a bid?
BidSparq scans 23,000+ federal, state, local and education sources and scores every opportunity against your business, including the ones in Chicago, IL.
Start free →Labor rates too: GSA labor rate lookup.