Chicago Per Diem Rates 2025. General services administration (gsa) released the fiscal year 2025 continental united states (conus) per diem expense rates,. This increase marks the third consecutive year feds saw lodging rates go up, while rates for meals and incidental expenses (m&ie) last went up in 2022.

For travel to areas within illinois that do not have specified per diem rates,. To determine the county a destination is located in, visit the census geocoder.