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FY2027 · Illinois

Illinois per diem rates, FY2027

4 areas in Illinois have their own rate. Everywhere else uses the standard rate: $113 lodging + $68 M&IE a day.

AreaLodging a nightM&IE a day
Bolingbrook / Romeoville / LemontWill$119$74
ChicagoCook / Lake$148 to $238$92
East St. Louis / O'Fallon / Fairview HeightsSt. Clair$156$86
Oakbrook TerraceDuPage$123$80
FY2027 rates (Oct 2026 to Sep 2027) as of 2026-10-31. Lodging that changes by season shows its range. Source: GSA Per Diem API.

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