Gas Prices Along Interstate 35
Updated April 5, 2026 — Prices updated regularly from EIA data
Route • 6 states
About Interstate 35
Connecting Laredo, TX to Duluth, MN across 1,568 miles, I-35 is the primary trade corridor of the heartland. The stretch through Texas offers some of the cheapest gas in America, while Minnesota prices are more moderate.
Avg. Price Along Route
$2.91
Est. Trip Fuel Cost
$116
Price Range
$2.74–$3.18
Gas Prices at Each Stop
- San Antonio, TX$2.75
- Austin, TX$2.80
- Oklahoma City, OK$2.89
- CHEAPESTWichita, KS$2.74
- Kansas City, MO$2.99
- Des Moines, IA$3.00
- MOST EXPENSIVEMinneapolis, MN$3.18
Fueling Tips for Interstate 35
- Fill up in Kansas before entering expensive markets along the route.
- Avoid highway exit stations — drive 1-2 miles off the exit to find prices 10-25 cents cheaper.
- The GasBuddy app shows upcoming prices along your route so you can plan fill-up stops.
- Consider a forward fill-up strategy: check prices 50-100 miles ahead.
- Fleet cards and membership fuel programs give additional discounts at qualifying stations along Interstate 35.
Making the Most of Every Road Trip
Smart travelers combine fuel savings with great American collectibles. Limited offers available for road trip enthusiasts.
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