Oakbrook Terrace, Illinois Per Diem Rates, FY2027 (2026-27)
GSA sets per diem for the Oakbrook Terrace locality (DuPage) at $123 a night for lodging all year, and $80 a day for meals and incidental expenses (M&IE). These rates run from October 1, 2026 to September 30, 2027.
Source: U.S. General Services Administration, read 2026-10-15. Lodging excludes taxes.
Lodging
$123/night
M&IE
$80/day
First and last day: $60.00
Full week (lodging + M&IE)
$1,421
Oakbrook Terrace lodging is the same all year
GSA holds Oakbrook Terrace at $123 a night in every month of FY2027, so the travel month does not change the lodging ceiling.
| Months (FY2027) | Lodging / night | Lodging + M&IE / week |
|---|---|---|
| Oct–Sep | $123 | $1,421 |
Oakbrook Terrace 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 $115 to $123 a night (up $8), and M&IE stayed at $80 a day. In FY2026 GSA listed this locality as "Oak Brook Terrace".
| Month (2026) | Fiscal year | Lodging / night | M&IE / day | Total / week |
|---|---|---|---|---|
| Jan | FY2026 | $115 | $80 | $1,365 |
| Feb | FY2026 | $115 | $80 | $1,365 |
| Mar | FY2026 | $115 | $80 | $1,365 |
| Apr | FY2026 | $115 | $80 | $1,365 |
| May | FY2026 | $115 | $80 | $1,365 |
| Jun | FY2026 | $115 | $80 | $1,365 |
| Jul | FY2026 | $115 | $80 | $1,365 |
| Aug | FY2026 | $115 | $80 | $1,365 |
| Sep | FY2026 | $115 | $80 | $1,365 |
| Oct | FY2027 | $123 | $80 | $1,421 |
| Nov | FY2027 | $123 | $80 | $1,421 |
| Dec | FY2027 | $123 | $80 | $1,421 |
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 Oakbrook Terrace during Oct–Sep:
- Lodging: 4 nights × $123 = $492
- M&IE: 3 full days × $80 + 2 travel days × $60.00 = $360.00
- Maximum per diem: $852.00
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 datesHow Oakbrook Terrace compares
The CONUS standard rate, used anywhere in Illinois outside a named locality, is $113 a night plus $68 M&IE. Oakbrook Terrace peaks $10 a night higher.
Other Illinois localities: Bolingbrook / Romeoville / Lemont ($119), Chicago ($238), East St. Louis / O'Fallon / Fairview Heights ($156). All Illinois rates.
For travel nurses on assignment in Oakbrook Terrace
An agency can pay housing and meal stipends tax-free up to $1,421 a week here at the peak, and only if you keep a qualifying tax home. Check an offer with the stipend calculator.
Frequently Asked Questions
What is the Oakbrook Terrace per diem rate for 2026-27?
For fiscal year 2027 (October 1, 2026 to September 30, 2027), GSA sets Oakbrook Terrace, Illinois at $123 a night for lodging all year, and $80 a day for meals and incidental expenses (M&IE). The locality covers DuPage.
What is the first and last day M&IE in Oakbrook Terrace?
$60.00, which is 75% of the $80 full-day rate, per GSA's M&IE breakdown.
Is Oakbrook Terrace per diem higher than the standard rate?
Yes. At its peak, Oakbrook Terrace lodging is $10 a night above the $113 CONUS standard rate, and M&IE is $80 against the standard $68.
What was the Oakbrook Terrace per diem in 2026?
Calendar 2026 spans two GSA fiscal years. January to September 2026 used FY2026 rates: lodging $115 a night and M&IE $80 a day. October to December 2026 use FY2027 rates: lodging $123 a night and M&IE $80 a day.