Costco Gas Price in Missoula, Montana

Latest available Costco gas prices for Missoula.

Current Gas Prices:

  • Regular: $4.199
  • Premium: $4.799

Last successful update: September 3, 2026 9:55 am GMT+0000.

Location

Address: 3220 N RESERVE ST, Missoula, Montana 59808-1556
Phone: (406) 543-6445

Opening Hours

Gas Station:
Mon-Fri: 6:00 AM – 10:00 PM

Warehouse:
Mon-Fri: 10:00 AM – 8:30 PM

Source: Costco warehouse page

FAQ About Missoula, Montana

When is the best time to avoid long waits at the Missoula Costco gas station?
To steer clear of rush windows at Missoula Costco gas, try fueling early on weekday mornings or later in the evening. Midday and weekend afternoons tend to be busier, so planning your stop during off-peak hours can save you time.

Do I need a Costco membership or special payment method to buy gas in Missoula?
Yes, a Costco membership is required to purchase fuel at their Missoula location. They typically accept major credit cards, debit cards, and Costco cash cards, so having your membership and preferred payment ready helps streamline your visit.

What should road-trippers passing through Missoula check before stopping at Costco for gas?
Before pulling into the Missoula Costco gas station, check your fuel gauge and estimated miles to your next stop. Also, consider the current line length and whether you have enough time to wait or should fuel at a different station to stay on schedule.

What’s a good strategy if the gas lines look longer than I expected at the Missoula Costco?
If you arrive to longer-than-expected lines, assess if the wait will impact your plans. Sometimes waiting is worth the savings, but if pressed for time, consider nearby gas stations or returning during a less busy time to keep your trip on track.

How does weekend timing affect fueling at the Costco gas station in Missoula?
Weekends in Missoula often bring higher traffic to Costco gas. Arriving early Saturday or Sunday morning or later in the evening can help you avoid peak crowds and long lines, making your weekend refuel quicker and less stressful.

How can I make refueling simple when returning home through Missoula’s Costco gas station?
To simplify your return-home fueling, plan your stop during non-peak hours, keep your membership card handy, and use the Costco app if available to check real-time gas prices and line status. This preparation helps ensure a smooth and efficient refill before finishing your trip.