Chicago, Illinois Per Diem Rates, FY2027 (2026-27)

GSA sets per diem for the Chicago locality (Cook / Lake) at $148 to $238 a night for lodging, depending on the month, and $92 a day for meals and incidental expenses (M&IE). These rates run from October 1, 2026 to September 30, 2027.

Cities on this site in this locality: Chicago, Elgin.

Source: U.S. General Services Administration, read 2026-10-15. Lodging excludes taxes.

Lodging (peak)

$238/night

Lowest month: $148

M&IE

$92/day

First and last day: $69.00

Full week (lodging + M&IE)

$2,310

Lowest month: $1,680

Chicago lodging by season

GSA sets lodging by month here. The highest period (Apr–Jun) is $90 a night above the lowest (Dec–Mar), so the month you travel changes what is reimbursed.

Months (FY2027)Lodging / nightLodging + M&IE / week
Oct–Nov$232$2,268
Dec–Mar$148$1,680
Apr–Jun$238$2,310
Jul–Aug$213$2,135
Sep$232$2,268

Chicago Per Diem for Calendar 2026, Month by Month

GSA rates run by federal fiscal year, so calendar 2026 uses two sets of rates: January–September fall in FY2026, and October–December fall in FY2027. Peak lodging went from $234 to $238 a night (up $4), and M&IE stayed at $92 a day.

Month (2026)Fiscal yearLodging / nightM&IE / dayTotal / week
Jan FY2026 $142 $92 $1,638
Feb FY2026 $142 $92 $1,638
Mar FY2026 $142 $92 $1,638
Apr FY2026 $234 $92 $2,282
May FY2026 $234 $92 $2,282
Jun FY2026 $234 $92 $2,282
Jul FY2026 $202 $92 $2,058
Aug FY2026 $202 $92 $2,058
Sep FY2026 $223 $92 $2,205
Oct FY2027 $232 $92 $2,268
Nov FY2027 $232 $92 $2,268
Dec FY2027 $148 $92 $1,680

A trip or contract that runs across 1 October is covered by both years: each night is capped by the rate for the month it falls in. Total / week is (lodging + M&IE) × 7.

Example: a 5-day trip

Five days and four nights in Chicago during Apr–Jun:

  • Lodging: 4 nights × $238 = $952
  • M&IE: 3 full days × $92 + 2 travel days × $69.00 = $414.00
  • Maximum per diem: $1,366.00

Lodging is reimbursed up to the rate for actual cost; M&IE is a flat allowance. Your employer's policy may differ.

Calculate your own dates

How Chicago compares

The CONUS standard rate, used anywhere in Illinois outside a named locality, is $113 a night plus $68 M&IE. Chicago peaks $125 a night higher.

Other Illinois localities: Bolingbrook / Romeoville / Lemont ($119), East St. Louis / O'Fallon / Fairview Heights ($156), Oakbrook Terrace ($123). All Illinois rates.

For travel nurses on assignment in Chicago

An agency can pay housing and meal stipends tax-free up to $2,310 a week here at the peak ($1,680 in the lowest month), and only if you keep a qualifying tax home. Check an offer with the stipend calculator.

Frequently Asked Questions

What is the Chicago per diem rate for 2026-27?

For fiscal year 2027 (October 1, 2026 to September 30, 2027), GSA sets Chicago, Illinois at $148 to $238 a night for lodging depending on the month, and $92 a day for meals and incidental expenses (M&IE). The locality covers Cook / Lake.

What is the first and last day M&IE in Chicago?

$69.00, which is 75% of the $92 full-day rate, per GSA's M&IE breakdown.

Is Chicago per diem higher than the standard rate?

Yes. At its peak, Chicago lodging is $125 a night above the $113 CONUS standard rate, and M&IE is $92 against the standard $68.

What was the Chicago per diem in 2026?

Calendar 2026 spans two GSA fiscal years. January to September 2026 used FY2026 rates: lodging $142–$234 a night and M&IE $92 a day. October to December 2026 use FY2027 rates: lodging $148–$238 a night and M&IE $92 a day.