via I-15
The drive from Missoula to Glacier National Park takes approximately 2h 57min, covering 163 miles via I-15. Under normal conditions, expect to spend around $18 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 3–4+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.
This trip can typically be done on a single tank of gas.
For this shorter drive, the best time to go is early morning (6-8 am). Rush hour (7-9 AM and 4-7 PM) can add significant time on this route. Weekends are generally smoother unless it's a holiday.
✈️ Flying is faster when you factor in airport time. Flight time is ~20 min but add ~2.5 hours for check-in, security, and boarding.
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
The moderate drive from Missoula to Glacier National Park follows I-15 for 163 miles, with an estimated travel time of 2h 57min under normal conditions. Fuel costs run approximately $18 at current prices, assuming average fuel efficiency of 30 MPG. Early morning (6-8 am) is generally the best window to depart for the smoothest ride.
Covering 163 miles, this is a solid half-day drive. Pack some snacks and a good playlist — you'll want to stay comfortable for the journey. A single fuel stop should be sufficient for most vehicles.