Is it better to fly or drive?

Flying is much faster, but driving is more flexible.

How long is the flight?

The flight time is about 6 hours.

Yes, there are many tolls on the I-90 route.

Yes, it is a standard interstate route.

What is the best time to leave?

Leaving early morning is best to avoid traffic.

Stevensville

Seattle

Flight Driving

Stevensville to Seattle

Updated: 28 May 2026

The journey from Stevensville to Seattle is approximately 4,600 kilometers. You can drive via I-90 West, which takes about 44 to 48 hours, or fly from BWI Airport to Seattle-Tacoma International Airport. Flying is significantly faster, with a flight time of about 6 hours. This is a long-distance trip that requires careful planning for either a multi-day drive or a flight connection.

Total Distance: 4,600 km driving distance, 4,100 km air distance.

Fastest Way

Flying from BWI to SEA is the fastest, taking about 6 hours in the air.

Cheapest Way

Driving is generally cheaper if you are traveling with multiple people.

Compare Stevensville to Seattle Routes

	Flight Direct	Driving Direct
Duration	6 hours	46 hours
Avg Price	$250 - $600	$700 - $1,000
Operator	Alaska Airlines	Personal Vehicle
Route	BWI to SEA	I-90 W
Tip	Book your flight in advance to secure the best rates.	Expect heavy traffic in major cities along the I-90 corridor.

Travel Tips

Traffic
Avoid I-5 and I-90 during peak hours in Seattle.
Tolls
Use an E-ZPass to save time and money on the entire route.
Parking
Parking in Seattle can be expensive; use public transit or ride-shares.
Navigation
Use GPS to monitor real-time traffic and accidents on the entire route.
Weather
Be prepared for rain and cool weather throughout the year.

Safety Tips

Highway Safety
Stay alert for aggressive drivers on the I-90 corridor.
Vehicle Prep
Ensure your car is in excellent condition for the long drive.
Urban Awareness
Stay in well-lit, populated areas when exploring the city at night.
Emergency
Keep a roadside assistance plan active for the trip.