Per Diem RatesFY 2027 federal travel allowances
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Illinois per diem ratesFY 2027 · 4 areas above the standard rate

Illinois has 4 of the 295 areas whose per diem is above the standard rate in FY 2027, the same number as in FY 2021. Chicago has the highest full-year average lodging cap, 32nd nationally, and Bolingbrook / Romeoville / Lemont the lowest. Caps change during the year in Chicago (high Apr–Jun); the other 3 keep one cap all year. The single highest monthly cap in Illinois is $238 in Chicago (Apr–Jun). M&IE is $92 in Chicago; $86 in East St. Louis / O’Fallon / Fairview Heights; $80 in Oakbrook Terrace; $74 in Bolingbrook / Romeoville / Lemont.

OctNovDecJanFebMarAprMayJunJulAugSepChicago$232$232$148$148$148$148$238$238$238$213$213$232East St. Louis / O’Fallon /Fairview Heights$156$156$156$156$156$156$156$156$156$156$156$156Oakbrook Terrace$123$123$123$123$123$123$123$123$123$123$123$123Bolingbrook / Romeoville /Lemont$119$119$119$119$119$119$119$119$119$119$119$119

Swipe the chart sideways to see all twelve months.

Illinois areas and the counties they cover

AreaCounties / citiesLodging capFull-year average
ChicagoCook, Lake$148–$238$202
East St. Louis / O’Fallon / Fairview HeightsSt. Clair$156$156
Oakbrook TerraceDuPage$123$123
Bolingbrook / Romeoville / LemontWill$119$119

Other Illinois counties use the standard $113 lodging and $68 M&IE. Work out a trip · Every state