The drive from Missoula to Spokane takes approximately 3h, covering 200 miles via I-90. Under normal conditions, expect to spend around $23 on gas.
Travel time can vary — during rush hour or bad weather, the journey may take 4–5+ hours. For the fastest trip, avoid peak commute hours.
Traffic Estimate
🟢 Light traffic
2h 33m
🔵 Typical
3h
🔴 Heavy traffic
4h 21m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance200 miles (321 km)
Drive Time3h
RouteI-90
Best TimeMid-morning (9-11 AM)
Fuel Costs
Gas (30 mpg)~6.7 gallons
Est. Cost$23
Route Tips: I-90
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.
Best Time to Drive from Missoula to Spokane
The best time to drive from Missoula to Spokane is mid-morning (9-11 am). Weekday mornings before 7 AM or evenings after 7 PM typically have the lightest traffic. Avoid Friday afternoons and Sunday evenings when possible.
🟢 Best:Mid-morning (9-11 AM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
3h
~$23 gas
✈️ Flying
2h 54m
~$80–$150 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~24 min but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
3h
~$23
🚌 Bus
4h 27m
~$16–$36
🚂 Train
3h 38m
~$24–$60
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Frequently Asked Questions
How long does it take to drive from Missoula to Spokane?
The drive from Missoula to Spokane takes approximately 3h covering 200 miles via I-90. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Missoula to Spokane?
At 30 MPG and $3.50/gallon, expect to spend approximately $23 on gas for this 200-mile trip. You'll need about 6.7 gallons of fuel.
What is the best time to drive from Missoula to Spokane?
Mid-morning (9-11 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Missoula to Spokane route?
There may be minor tolls (around $6) on parts of this route. Some sections have toll-free alternatives.