Troy
Troy
Seattle
Seattle
Flight Driving

Troy to Seattle

Updated: 28 May 2026

The journey from Troy, Missouri to Seattle, Washington covers approximately 3,200 kilometers. Driving is a major cross-country trip, typically following I-80 to I-84, taking about 30 hours of driving time. Flying from St. Louis Lambert International Airport to Seattle-Tacoma International Airport (SEA) is the most practical choice. You will cross the Great Plains, the Rockies, and the Pacific Northwest. Expect a significant change in landscape and weather as you reach the coast.

Total Distance: 3,200 km driving distance; 2,750 km straight-line air distance.
Fastest Way
A direct flight from St. Louis to Seattle takes about 4.5 hours.
Cheapest Way
Flying is the most economical option when considering the time and cost of a long drive.
Compare Troy to Seattle Routes
Flight
Direct
Driving
Direct
Duration 4 hours 30 mins 30 hours
Avg Price $190 - $600 $600 - $850 in fuel
Operator Alaska Airlines Personal Vehicle
Route STL to SEA I-70 W to I-80 W to I-84 W through Salt Lake City and Boise.
Tip Direct flights are available and highly recommended. Be prepared for mountain passes and potential snow in the Rockies.
Travel Tips
  • Rain Gear
    It rains often; bring a high-quality waterproof jacket.
  • Public Transit
    The Link Light Rail is excellent for getting from the airport to downtown.
  • Coffee
    Enjoy the local coffee culture; there are great independent cafes everywhere.
  • Walking
    Downtown Seattle is hilly; wear comfortable shoes.
  • Ferries
    Take a ferry to Bainbridge Island for beautiful views of the Seattle skyline.
Safety Tips
  • Urban Safety
    Be aware of your surroundings in downtown areas at night.
  • Weather
    Be prepared for slippery sidewalks when it rains.
  • Emergency
    Keep your phone charged and have a map of the city.
  • Driving
    Traffic in Seattle can be heavy; use navigation apps to avoid delays.
People Also Ask
  • Is it always raining?
    It is often cloudy and drizzly, but not always raining.
  • Do I need a car?
    No, public transit is very good in the city center.
  • What is the best time to visit?
    Summer offers the best weather.
  • Is the Space Needle worth it?
    Yes, it is an iconic Seattle experience.
  • How long is the flight?
    A direct flight from St. Louis is about 4.5 hours.
Quick Info
  • From Troy, Missouri, United States
  • To Seattle, Washington, United States
  • Modes
Best Time to Travel

July to September for the best chance of clear, sunny weather.

Things to Do in Seattle
1
Pike Place Market
Visit the famous market for fresh seafood, flowers, and the original Starbucks.
2
Space Needle
Take the elevator to the top for panoramic views of the city and Mount Rainier.
3
Chihuly Garden and Glass
See the stunning glass art exhibits located right next to the Space Needle.
4
Museum of Pop Culture
Explore exhibits dedicated to music, science fiction, and pop culture.
Tags
Troy MO to Seattle travel driving to Seattle from Missouri flights STL to SEA I-84 road trip Seattle travel guide Missouri to Washington travel cheapest way to Seattle fastest way to Seattle