Gas Prices in Casper, WY
Updated May 21, 2026 · AAA data · Regular unleaded
Gas Prices in Casper
Gas prices in Casper reflect a mix of local taxes, distance to fuel distribution terminals, station density, and real estate costs. Casper benefits from lower operating costs, typically running 1¢ below the Wyoming state average.
Prices at individual stations can vary by 5–15 cents within the same city depending on brand, location, and local competition. Use apps like GasBuddy to find the cheapest station near you in Casper.
Frequently Asked Questions
What is the gas price in Casper right now?
The average regular unleaded price in Casper, Wyoming is $4.550/gal as of May 21, 2026. Station prices vary — expect a range of roughly $4.450 to $4.670 across the metro area.
Is gas cheaper in Casper or the suburbs?
Generally, suburban areas outside Casper have slightly lower gas prices due to lower operating costs and property taxes. If you're near a highway interchange or warehouse district, you may find lower prices than the city center.
When is the cheapest day to buy gas in Casper?
Nationwide data shows Monday and Tuesday tend to have slightly lower gas prices before weekly demand picks up. Avoid buying gas Thursday through Saturday when prices are typically higher.