Amtrak's Empire Builder runs to Seattle, but you must drive to a station like Chicago first.

How long is the flight?

The flight time is about 5 hours.

What is the best way to travel?

Flying is the most practical and fastest method.

Yes, driving involves some tolls in Washington.

Yes, it is generally safe, but exercise standard city caution.

Mt Vernon

Seattle

Flight Driving

Mt Vernon to Seattle

Updated: 28 May 2026

The journey from Mt Vernon to Seattle is a cross-country trip of approximately 2,300 miles. Most travelers prefer flying from St. Louis Lambert International Airport (STL) to Seattle-Tacoma International Airport (SEA), which takes about 5 hours in the air. Driving is a 35-hour journey via I-90. This route crosses the Great Plains, the Rocky Mountains, and the Pacific Northwest, making it a major cross-country adventure.

Total Distance: 3,700 km driving distance; 3,100 km straight-line air distance.

Fastest Way

Flying is significantly faster, taking about 7 hours total including airport time.

Cheapest Way

Flying is often cheaper than the total cost of fuel, tolls, and overnight stays for driving.

Compare Mt Vernon to Seattle Routes

	Flight Direct	Driving Direct
Duration	5 hours	35 hours
Avg Price	$300-$500 round trip	$400-$500 in fuel
Operator	Alaska / Delta	Personal Vehicle
Route	STL to SEA.	I-70 W to I-90 W.
Tip	Book flights early to secure direct routes.	Expect mountain driving and potential snow in winter.

Travel Tips

Airport Choice
Seattle-Tacoma International (SEA) is the most convenient for city access.
Transportation
Use the light rail and public transit; Seattle is very walkable.
Weather
Dress in layers; the weather can change quickly.
Dining
Try the fresh seafood and local coffee.
Safety
Stay in well-populated areas, especially at night.