DTMO · DoD OCONUS Per Diem

Buenos Aires, Argentina OCONUS Per Diem Rates (DTMO)

Effective date: March 1, 2023 Last updated: October 1, 2025
Lodging (per night)
$266
Local meals
$101
Incidentals
$25
Maximum per diem
$392
Lodging + meals + incidentals

Historical rate trend

Buenos Aires 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 $266 $126 $392
Mar 1, 2023 $266 $126 $392
Jan 1, 2023 $267 $129 $396
Oct 1, 2022 $266 $126 $392
Oct 1, 2016 $267 $129 $396
Mar 1, 2012 $221 $121 $342
Feb 1, 2012 $196 $86 $282
Jan 1, 2012 $196 $88 $284
Oct 1, 2011 $221 $121 $342

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 Buenos Aires, argentina. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($60) 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/AR-AR?city=Buenos%20Aires"
Sample response
{
  "effective_date": "2023-03-01",
  "results": [
    {
      "iso_code": "AR-AR",
      "local_incidental": 25,
      "local_meal_rate": 101,
      "location": "Buenos Aires",
      "lodging": 266,
      "maximum_perdiem": 392,
      "proportional_meal_rate": 60
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

Buenos Aires rate FAQ

What is the OCONUS per diem rate for Buenos Aires, Argentina?

The current maximum DTMO OCONUS per diem for Buenos Aires, Argentina is $392 per day — $266 for lodging, $101 for local meals and $25 for incidentals.

What is the proportional meal rate for Buenos Aires?

The proportional meal rate for Buenos Aires is $60 per day, used when some meals are furnished.

When did the Buenos Aires 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 Mar 1, 2023 (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.