Gas Prices in Billings, MT
Updated May 20, 2026 · AAA data · Regular unleaded
Gas Prices in Billings
Billings has the most competitive gas prices in Montana, sitting near the CHS refinery in Laurel (just 15 miles away) and serving as the state's major commercial hub. While Montana overall pays above-average prices, Billings is dramatically cheaper than rural areas or resort towns.
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 Billings.
Frequently Asked Questions
What is the gas price in Billings right now?
The average regular unleaded price in Billings, Montana is $4.610/gal as of May 20, 2026. Station prices vary — expect a range of roughly $4.510 to $4.730 across the metro area.
Is Billings gas cheaper than Missoula or Great Falls?
Yes — Billings consistently runs 10-20¢ cheaper than most other Montana cities due to the nearby Laurel refinery. Missoula and Great Falls pay more because fuel must be trucked from further away.
Where is cheapest gas in Billings?
Costco in West Billings consistently offers the best prices. Cenex stations throughout the metro offer competitive everyday pricing. Town Pump, a regional Montana/Wyoming chain, is competitive along major commercial corridors.
When is the cheapest day to buy gas in Billings?
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.