Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
United States → St Clair County, Illinois, United States
Item Name Destination Amount Conditions
Lodging East St. Louis / O'Fallon / Fairview Heights, IL 150 USD per night GSA non-standard area defined as: St. Clair.
Meals and incidentals East St. Louis / O'Fallon / Fairview Heights, IL 86 USD per day GSA non-standard area defined as: St. Clair.; On the first and last day of travel, federal travelers receive 75% of the daily M&IE rate.

Source URL:
https://api.gsa.gov/travel/perdiem/v2/rates/conus/lodging/2026
This source provides information on travel rates in the United States.