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Idaho gas prices below national average

| January 21, 2026 1:00 AM

According to AAA, Tuesday’s average price for a gallon of regular in the Gem State was $2.78 per gallon, which was a penny more than a week ago, but 14 cents less than a month ago and 25 cents cheaper than a year ago.

The national average currently sits at $2.82 per gallon, marking another unusual week with Idaho prices below the U.S. average. Tuesday's price is the same as a week ago, four cents less than a month ago, and about 30 cents less than a year ago.

Coeur d'Alene prices were averaging $2.44 per gallon.

Idaho ranks 23rd in the country for the most expensive fuel, with the most expensive pump prices in Hawaii at $4.41 per gallon and the cheapest in Oklahoma at $2.31 per gallon.

“January typically brings the cheapest pump prices, and we’ll enjoy them for as long at they last,” said AAA Idaho public affairs director Matthew Conde. “As weather conditions improve heading into spring, we often see rising demand apply upward pressure on gas prices.”

Here’s a look at Idaho gas prices as of Tuesday: Boise, $2.81; Franklin, $2.51; Idaho Falls, $2.79; Lewiston, $2.67; Pocatello, $2.74; Rexburg, $2.74 and Twin Falls, $2.93.