Gas Prices Along Interstate 55
Updated April 5, 2026 — Prices updated regularly from EIA data
Route • 6 states
About Interstate 55
Stretching 964 miles from Laplace, LA to Wilmington, IL, I-55 runs through the heart of the Mississippi River corridor. Gas prices along I-55 reflect the South's affordable fuel market, especially in Mississippi, Arkansas, and Missouri.
Avg. Price Along Route
$2.96
Est. Trip Fuel Cost
$118
Price Range
$2.62–$3.34
Gas Prices at Each Stop
- New Orleans, LA$2.70
- CHEAPESTJackson, MS$2.62
- Memphis, TN$2.89
- St. Louis, MO$2.91
- MOST EXPENSIVESpringfield, IL$3.34
- Chicago, IL$3.31
Fueling Tips for Interstate 55
- Fill up in Mississippi 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 55.
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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