Lacey
Lacey
Missoula
Missoula
Flight Driving

Lacey to Missoula

Updated: 28 May 2026

The journey from Lacey to Missoula covers approximately 650 kilometers. The most practical way to travel is by driving east on I-90 through the scenic Cascade and Bitterroot mountains, which takes about 7 hours. Alternatively, you can fly from Seattle-Tacoma International Airport (SEA) to Missoula Montana Airport (MSO), though this usually requires a connection. This route offers some of the most beautiful mountain scenery in the Pacific Northwest.

Total Distance: 650 km driving, 550 km air distance.
Fastest Way
Driving takes about 7 hours, which is often faster than flying with connections.
Cheapest Way
Driving your own vehicle is the most economical choice.
Compare Lacey to Missoula Routes
Flight
Connecting
Driving
Direct
Duration 4 hours 7 hours
Avg Price 200-350 USD 80-120 USD
Operator Alaska Airlines Personal Vehicle
Route SEA to MSO. I-90 East.
Tip Most flights connect through Seattle. Check mountain pass conditions before leaving.
Travel Tips
  • Mountain Passes
    Always check Snoqualmie and Lookout Pass conditions in winter.
  • Fuel
    Fill up in major towns; gas stations can be sparse in remote areas.
  • Wildlife
    Be alert for deer and elk on the highway, especially at dawn and dusk.
  • Packing
    Bring warm clothing, even in summer, as mountain temperatures drop.
  • Navigation
    Download offline maps as cell service is spotty in the mountains.
Safety Tips
  • Winter Driving
    Carry tire chains if traveling between November and April.
  • Emergency Kit
    Keep a winter emergency kit with blankets and food in your car.
  • Speed Limits
    Observe speed limits, especially on winding mountain roads.
  • Vehicle Prep
    Ensure your brakes and tires are in excellent condition.
People Also Ask
  • Is it better to fly or drive?
    Driving is often more convenient and scenic.
  • How long is the drive?
    It takes about 7 hours in normal conditions.
  • Are there tolls?
    No, this route is toll-free.
  • Can I take a bus?
    Yes, Greyhound offers service, but it takes much longer.
  • What is the best route?
    Taking I-90 East is the most direct path.
Quick Info
  • From Lacey, Washington, United States
  • To Missoula, Montana, United States
  • Modes
Best Time to Travel

Summer or Fall for the best driving conditions.

Things to Do in Missoula
1
A Carousel for Missoula
A beautiful, hand-carved carousel that is a local landmark.
2
Mount Sentinel
A popular hiking spot with a large 'M' on the side of the mountain.
3
Clark Fork River
A great place for fishing, kayaking, and walking along the riverfront.
4
Missoula Art Museum
A contemporary art museum with a focus on regional artists.
Tags
Lacey to Missoula drive I-90 East route Missoula travel Lacey to Missoula distance Montana road trip best way to Missoula driving to Montana travel to Missoula