Is I-90 the only way to drive?

It is the most direct and efficient route across the state.

How much is the flight?

Prices vary by season, but usually range from $150 to $300 round trip.

Are there trains to Spokane?

Yes, Amtrak's Empire Builder stops in Spokane, but it is not a practical local commute from Silverdale.

Is the pass dangerous?

It can be during severe winter storms, but it is well-maintained by the state.

What is the best time to leave?

Leaving early in the morning helps you avoid traffic in the Seattle area.

Silverdale

Spokane

Flight Driving

Silverdale to Spokane

Updated: 29 May 2026

The journey from Silverdale to Spokane spans approximately 460 kilometers across the state of Washington. The most direct route is driving via WA-3, WA-16, and I-90 East, which takes about 5 to 6 hours. Alternatively, you can drive to Seattle-Tacoma International Airport (SEA) and take a short 1-hour flight to Spokane International Airport (GEG). This route takes you over the dramatic Snoqualmie Pass, which can be challenging in winter. It is the primary artery connecting the Puget Sound to the Inland Northwest.

Total Distance: 460 km driving distance, 380 km straight-line air distance.

Fastest Way

Flying is faster if you account for the total travel time including airport security.

Cheapest Way

Driving is the most economical choice, especially for groups.

Compare Silverdale to Spokane Routes

	Flight Direct	Driving Direct
Duration	1 hour 10 mins (flight time)	5 hours 30 mins
Avg Price	$150-$300	$70-$90 in fuel
Operator	Alaska Airlines	Personal Vehicle
Route	SEA to GEG	WA-3 to WA-16 to I-90 E
Tip	Factor in the 1.5-hour drive from Silverdale to SEA airport.	Check WSDOT mountain pass reports before departing during winter months.

Travel Tips

Mountain Pass
Snoqualmie Pass can have heavy snow; carry tire chains if traveling between November and April.
Fuel Stops
Fill up in Ellensburg or Moses Lake to avoid higher prices in the mountain pass areas.
Airport Parking
If flying, use the long-term parking garage at SEA and book online to save money.
Time Zone
Both cities are in the Pacific Time Zone, so no clock adjustment is needed.
Rest Stops
The Vantage rest area offers stunning views of the Columbia River Gorge.

Safety Tips

Winter Driving
Always check the WSDOT mountain pass cameras before heading over the Cascades.
Fatigue
The drive is long; take breaks every 2 hours to stay alert.
Emergency Supplies
Keep blankets, water, and snacks in your car during the winter season.
Wildlife
Be cautious of deer and elk crossing the highway, especially at dawn and dusk.