Costco Gas Stations in MT (MT)
4 stations across 4 cities
About Costco Gas in MT (MT)
MT (MT) has 4 Costco gas stations across 4 cities. The largest concentrations of stations are in Billings (1), Bozeman (1), and Helena (1). Most stations open at 6 AM on weekdays and close at 10 PM. On Sundays, hours are typically 6 AM–7:30 PM. All Costco gas stations require an active membership. Payment is accepted by Visa, most debit cards, and Costco Shop Cards.
For context, the average retail price of regular gas in the Rocky Mountain (PADD 4) region was $4.29/gal (premium $4.95) the week of 2026-08-17. Costco fuel is typically priced below the local average. Source: U.S. EIA.
Cities
All Stations
Costco Gas — Billings, MT
Open3880 Zoo Drive, Billings, MT
6 AM – 10 PM
Costco Gas — Bozeman, MT
Open2505 Catron Street, Bozeman, MT
6 AM – 10 PM
Costco Gas — Helena, MT
Open2195 Custer Avenue, Helena, MT
6 AM – 10 PM
Costco Gas — Missoula, MT
Open3220 North Reserve Street, Missoula, MT
6 AM – 9:30 PM