GSA · CONUS Per Diem

Kalispell/Whitefish, Montana GSA Per Diem Rates (FY2026)

Effective date: July 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$232
Peak season
M&IE (per day)
$80
Maximum per diem
$312
Lodging + M&IE

Seasonal breakdown

GSA sets seasonal lodging rates for Kalispell/Whitefish: the nightly lodging ceiling changes during the year (it is highest in peak travel months), while the M&IE rate stays constant.

Season Lodging M&IE Max per diem
Jul 1 – Sep 30 $232 $80 $312
Oct 1 – Jun 30 $124 $80 $204

Historical rate trend

Kalispell/Whitefish rate history — Max per diem ($/day). Query any past effective date directly via the API.

Period Lodging M&IE Max per diem
FY2026 $232 $80 $312
FY2025 $232 $80 $312
FY2024 $243 $64 $307
FY2023 $243 $64 $307
FY2022 $177 $64 $241
FY2021 $177 $61 $238
FY2020 $164 $61 $225

How this rate is used

This GSA per diem rate sets the maximum reimbursable lodging and meals & incidental expenses (M&IE) for federal employees and government contractors on temporary duty (TDY) travel to Kalispell/Whitefish, Montana. Travel and expense systems use it as the ceiling for voucher reimbursement; contractors use it for DCAA-compliant travel cost modeling on proposals and invoices.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/gsa/perdiem/state/US-MT?city=Kalispell/Whitefish"
Sample response
{
  "effective_date": "2026-07-01",
  "results": [
    {
      "destination": "Kalispell/Whitefish",
      "lodging": 232,
      "meals_incidental": 80,
      "season_begin": "07/01",
      "season_end": "09/30",
      "state": "US-MT"
    }
  ],
  "verification_url": "https://www.gsa.gov/travel/plan-book/per-diem-rates"
}

Source & methodology

Effective period
Fiscal Year 2026 (Oct 1, 2025 – Sep 30, 2026)
Last updated
October 1, 2025

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.