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