Per Diem Gsa Rates 2025. The new rates go into effect on october 1, 2024. Per diem rates gsa establishes the rates that federal agencies use to reimburse their employees for lodging and meals and incidental expenses incurred while on official travel within the continental united states (conus).

Each year, gsa sets per diem rates to reimburse federal employees’ lodging and meal expenses for official travel within the continental united states. The per diem rates shown on this page are averages of all of the individual per diem rates within each state as of 2025.