Wentzville
Wentzville
Seattle
Seattle
Flight Driving

Wentzville to Seattle

Updated: 28 May 2026

The trip from Wentzville to Seattle spans roughly 3,300 kilometers. Flying from St. Louis Lambert International Airport (STL) to Seattle-Tacoma International Airport (SEA) is the most practical option, usually involving a connection. Driving involves taking I-70 West to I-80 West, then heading north on I-84 and I-90. This route takes you through the heart of the American West, including the plains and the Cascade Mountains. Be prepared for significant weather variations throughout the year.

Total Distance: 3,300 km driving, 2,850 km air.
Fastest Way
Flight from STL to SEA is the fastest, taking about 6 hours.
Cheapest Way
Flight is generally the most cost-effective when considering fuel and hotel costs for a 3-day drive.
Compare Wentzville to Seattle Routes
Flight
Connecting
Driving
Direct
Duration 6 hours 32 hours
Avg Price $350 - $600 $450 - $800
Operator Alaska Airlines Personal Vehicle
Route STL to SEA I-70 W to I-90 W
Tip Alaska Airlines offers frequent connections from major hubs to Seattle. The drive through Montana and Idaho is scenic but requires careful planning.
Travel Tips
  • Rain Gear
    Always carry a waterproof jacket, as Seattle is known for its frequent light rain.
  • Public Transit
    Use the Link Light Rail to get from the airport to downtown Seattle quickly.
  • Coffee Culture
    Explore the local independent coffee shops; Seattle is famous for its high-quality roasts.
  • Ferry Rides
    Take a Washington State Ferry to Bainbridge Island for incredible views of the Seattle skyline.
  • Driving
    If driving, ensure your tires are rated for mountain conditions if traveling in winter.
Safety Tips
  • Mountain Driving
    Be cautious of sudden weather changes when crossing mountain passes on I-90.
  • Urban Safety
    Stay aware of your surroundings in downtown areas, especially at night.
  • Wildlife
    Be alert for deer and elk when driving through rural Montana and Idaho.
  • Emergency Prep
    Keep a winter emergency kit in your car if traveling during the colder months.
People Also Ask
  • Is there a train to Seattle?
    You can take the Amtrak Empire Builder from Chicago, but it is a long journey.
  • How long is the drive?
    The drive takes about 32 hours of pure driving time.
  • What is the best way to travel?
    Flying is the most practical and time-efficient method.
  • Is Seattle rainy?
    Yes, it experiences frequent light rain, especially from autumn to spring.
  • Do I need a car in Seattle?
    Downtown is walkable, but a car is helpful for visiting surrounding national parks.
Quick Info
  • From Wentzville, Missouri, United States
  • To Seattle, Washington, United States
  • Modes
Best Time to Travel

July and August offer the best weather for visiting Seattle, avoiding the rainy season.

Things to Do in Seattle
1
Space Needle
Visit this iconic tower for 360-degree views of the city and Mount Rainier. It is a symbol of Seattle's innovation.
2
Pike Place Market
Watch the fish throwers and explore the original Starbucks location. It is one of the oldest public farmers' markets in the US.
3
Museum of Pop Culture
Explore exhibits dedicated to music, science fiction, and video games. The building's architecture is unique.
4
Chihuly Garden and Glass
View stunning glass sculptures in this beautiful indoor and outdoor exhibition space. It is located right next to the Space Needle.
Tags
Wentzville to Seattle STL to SEA flights driving Missouri to Washington I-90 road trip best way to Seattle travel from Wentzville St Louis to Seattle cross country drive