Keeping track of gas prices lately has been quite the task. Some days the price stays the same or only moves up a few cents. Other days it jumps 10 or 15 cents. With Spring Break starting this week in many areas, travel plans could be affected or determined by wherever has the gas prices are lowest.

In Idaho, there is a big gap between the cheapest gas and the average gas price, but there’s good news if you are looking to save a few cents when you fill up. We can tell you where the cheapest gas is anywhere in Idaho or any other state you want to visit.

Where Are Gas Prices the Lowest in Idaho

If you want to get the cheapest gas in Idaho, you have to drive to the Texaco on 17th Street in Ammon. Regular gas is a surprisingly low $2.94. That’s impressive considering the average gas price in Idaho is $3.82. If you don’t live in or near Ammon, here’s how you can find the best option near you.

Without driving all around town, wasting gas, you can check out the list below to see the best gas prices in Twin Falls based on those that have been updated in the last 24 hours. You can branch out to other cities around the state with the Gas Buddy app.

The Cheapest Places to Get Gas in Twin Falls Today

Gas Buddy uses reports from owners and customers of gas stations to update the pricing. These prices, and those on the Gas Buddy app, may not perfectly reflect current gas prices. These are the lowest prices around Twin Falls on 3/17/26.

Gallery Credit: Credit N8 Bird

There are a variety of reasons for the constantly increasing gas prices. The conflict in Iran is taking a toll on oil reserves. Heading into a holiday usually comes with a price bump, and as we get closer to summer, the fuel at gas stations is switched to a ‘summer blend’, which is a higher-quality, lower-emission, and higher-priced fuel.

Disclaimer: Gas prices can change at any moment. Check this link for the latest prices from Gas Buddy.

READ ALSO: Is Iran or Utah to Blame For High Gas Prices in Idaho

If you are heading to Boise anytime soon, you may want to fill up in the Magic Valley first. Gas is about 10 cents cheaper here in the Magic Valley.

10 Cheapest Gas Stations in Ada County: March 17, 2026

According to Gas Buddy, these are the 10 cheapest places to fill up in Ada Count on March 17, 2026 at 8:30 a.m. Prices are subject to change.

Gallery Credit: Michelle Heart

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