Home to major players in the insurance, aerospace, and financial services industries, Connecticut is a key business hub in the Northeast. For companies operating here, a well-defined per diem policy is essential for managing travel costs effectively.
This guide is designed to provide clarity on travel expenses in Connecticut. We will cover the official GSA per diem rates, explain the laws that govern employee reimbursement, and show you how to streamline the entire process.
Connecticut Per Diem Rate
Per diem rates for official travel in Connecticut are set by the U.S. General Services Administration (GSA). These federal rates are mandatory for federal employees and serve as a common benchmark for private sector companies looking to create an IRS-compliant reimbursement policy.
For Fiscal Year 2025 (October 1, 2024, to September 30, 2025), key rates are broken down as follows:
Major Business Centers
Connecticut's primary metro areas have their own designated Non-Standard Area (NSA) rates.
- Hartford (Hartford County):
- M&IE: $80 per day
- Lodging: A flat rate of $138 per night.
- Bridgeport / Danbury (Fairfield County):
- M&IE: $86 per day
- Lodging: A flat rate of $146 per night.
- New Haven (New Haven County):
- M&IE: $80 per day
- Lodging: A flat rate of $130 per night.
- New London / Groton (New London County):
- M&IE: $86 per day
- Lodging: A flat rate of $124 per night.
The first and last day of travel, the M&IE rate is $64.50 for Bridgeport and New London, and $60.00 for Hartford and New Haven.
Connecticut Per Diem Rate Calculator
Find the exact per diem allowance for your business trip to Connecticut with our easy-to-use calculator. Select the fiscal year, choose your destination, and input your travel dates. The tool will instantly provide the correct lodging and M&IE rates based on the official GSA schedule.