Costco Gas Prices

Costco gas stations in Montana

6 Costco fuel stations across 5 cities. US prices are shown in US dollars per gallon.

Montana state average (Nov 5)

Regular
$4.258
Premium
$4.929
Diesel
$6.119

All-station averages published by AAA in US dollars per gallon. Regular is $0.255 lower than about 30 days earlier.

Cities

All Montana Costco stations