Costco Idaho Gas Prices
Find the cheapest Costco gas in Idaho— every fuel center ranked by today's price.
7 Costco fuel centers in 7 cities · 2 of 7 sell diesel
Costco operates 7 fuel centers in Idaho, spread across 7 cities. Across the state, regular gas averages $4.346, premium runs about $0.473 higher at $4.819, and diesel sits at $5.344. The lowest-priced regular pump is at Costco Pocatello in Pocatello at $4.199, while Meridian in Meridian sits about $0.250 higher. Across the state, regular pump prices have climbed about $0.204 over the past month, from $4.142 a month ago. Premium has climbed about $0.200 and diesel has climbed about $0.320 over the same period. Diesel is sold at 2 of the 7 Idaho locations.
If your vehicle takes premium, the lowest in Idaho is Costco Idaho Falls in Idaho Falls at $4.599. The cheapest diesel is at Costco Idaho Falls in Idaho Falls at $5.299. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.
30-day Idaho average price trend
Browse Idaho cities
All Idaho stations by price
| Station | Regular | Premium |
|---|---|---|
| Pocatello Pocatello | $4.199 | $4.899 |
| Coeur d Alene Coeur D' Alene | $4.279 | $4.779 |
| Nampa Nampa | $4.299 | $4.799 |
| Idaho Falls Idaho Falls | $4.349 | $4.599 |
| Twin Falls Twin Falls | $4.399 | $4.799 |
| Boise Boise | $4.449 | $4.899 |
| Meridian Meridian | $4.449 | $4.959 |