DTMO · DoD OCONUS Per Diem

Ulaanbaatar, Mongolia OCONUS Per Diem Rates (DTMO)

Effective date: May 1, 2025 Last updated: October 1, 2025
Lodging (per night)
$185
Local meals
$68
Incidentals
$17
Maximum per diem
$270
Lodging + meals + incidentals

Historical rate trend

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

Effective date Lodging M&IE Max per diem
Jul 1, 2026 $185 $85 $270
Oct 1, 2022 $185 $85 $270
Jan 1, 2022 $185 $100 $285
Nov 1, 2021 $158 $72 $230
Oct 1, 2014 $185 $100 $285
Oct 1, 2011 $185 $92 $277

How this rate is used

This DTMO per diem rate is the Department of Defense ceiling for lodging, meals and incidental expenses for DoD travelers (military and civilian) on TDY in Ulaanbaatar, mongolia. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($43) applies when some meals are provided in kind.

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/dtmo/perdiem/oconus/MN-MN?city=Ulaanbaatar"
Sample response
{
  "effective_date": "2025-05-01",
  "results": [
    {
      "iso_code": "MN-MN",
      "local_incidental": 17,
      "local_meal_rate": 68,
      "location": "Ulaanbaatar",
      "lodging": 185,
      "maximum_perdiem": 270,
      "proportional_meal_rate": 43
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

Ulaanbaatar rate FAQ

What is the OCONUS per diem rate for Ulaanbaatar, Mongolia?

The current maximum DTMO OCONUS per diem for Ulaanbaatar, Mongolia is $270 per day — $185 for lodging, $68 for local meals and $17 for incidentals.

What is the proportional meal rate for Ulaanbaatar?

The proportional meal rate for Ulaanbaatar is $43 per day, used when some meals are furnished.

When did the Ulaanbaatar per diem rate last change?

The rate shown reflects the latest DTMO publication. The historical table above lists prior maximum per diem values back to Oct 1, 2011.

Source & methodology

Effective period
Effective May 1, 2025 (published Jul 2026)
Last updated
July 1, 2026

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.