2025 Per Diem Rates San Diego. The fy 2025 rates are not the default rates until october 1, 2025.  — find out about travel per diem rates for meal expenses.

 — for fy 2025, the maximum lodging allowance rates in some existing per diem localities will increase, and the standard conus lodging rate will increase from. Cities not appearing below may be located within a county for which rates are listed.