Is it better to fly or drive?

Flying is much more practical for this distance.

How long is the flight?

The flight time is approximately 1 hour and 30 minutes.

Are there tolls on the drive?

There are no major tolls on this route.

There is no direct train service to Boise.

What is the best time to fly?

Mid-week flights are often cheaper than weekend flights.

Silverdale

Boise

Flight Driving

Silverdale to Boise

Updated: 29 May 2026

The journey from Silverdale to Boise covers approximately 800 kilometers. The most efficient way to travel is by flying from Seattle-Tacoma International Airport (SEA) to Boise Airport (BOI), which takes about 1.5 hours. Driving is a manageable trip, requiring 8 to 9 hours of driving time via I-90 and I-84. This route is popular for those seeking the outdoor activities and growing city life of Boise.

Total Distance: 800 km driving distance, 650 km straight-line air distance.

Fastest Way

Flying is the fastest method, saving you over 7 hours of travel time.

Cheapest Way

Driving is generally the most cost-effective option for this distance.

Compare Silverdale to Boise Routes

	Flight Direct	Driving Direct
Duration	1 hour 30 mins (flight time)	8 hours 30 mins
Avg Price	$100-$250	$100-$150 in fuel
Operator	Alaska Airlines, Delta	Personal Vehicle
Route	SEA to BOI	I-90 E to I-84 E
Tip	Flights are frequent and often competitively priced.	A straightforward drive through the Pacific Northwest.

Travel Tips

Airport Transit
BOI airport is very close to downtown, making it easy to reach your hotel.
Driving Breaks
If driving, be prepared for long stretches of highway with limited services.
Weather
Mountain weather can change quickly; always bring layers.
Booking
Use travel sites to find package deals that include flights and hotels.
Packing
Pack for the season, focusing on comfortable clothing for outdoor activities.

Safety Tips

Driving Safety
Ensure your car is in good condition for the long mountain drive.
Personal Safety
Be aware of your surroundings in crowded tourist areas.
Emergency Prep
Keep extra water in your car if you are driving through the mountains.
Vehicle Security
Always lock your car and keep valuables out of sight.