The drive from Spokane to Seattle takes approximately 4h 15min, covering 280 miles via I-90. Under normal conditions, expect to spend around $32 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 6–7+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
3h 37m
🔵 Typical
4h 15min
🔴 Heavy traffic
6h 10m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance280 miles (450 km)
Drive Time4h 15min
RouteI-90
Best TimeMid-morning (9-11 AM)
Fuel Costs
Gas (30 mpg)~9.3 gallons
Est. Cost$32
Route Tips: I-90
Plan rest stops every 2-3 hours on longer drives. Check traffic conditions before departure and keep your tank above quarter-full.
This trip can typically be done on a single tank of gas.
Best Time to Drive from Spokane to Seattle
The best time to drive from Spokane to Seattle is mid-morning (9-11 am). Weekday mornings before 7 AM or evenings after 7 PM typically have the lightest traffic. Avoid Friday afternoons and Sunday evenings when possible.
🟢 Best:Mid-morning (9-11 AM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
4h 15min
~$32 gas
✈️ Flying
3h 4m
~$80–$150 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~34 min but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
4h 15min
~$32
🚌 Bus
6h 13m
~$22–$50
🚂 Train
5h 5m
~$34–$84
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Suggested Stops
Popular cities along the route for rest, food, or fuel:
📍 Leavenworth
Frequently Asked Questions
How long does it take to drive from Spokane to Seattle?
The drive from Spokane to Seattle takes approximately 4h 15min covering 280 miles via I-90. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Spokane to Seattle?
At 30 MPG and $3.50/gallon, expect to spend approximately $32 on gas for this 280-mile trip. You'll need about 9.3 gallons of fuel.
What is the best time to drive from Spokane to Seattle?
Mid-morning (9-11 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Spokane to Seattle route?
There may be minor tolls (around $8) on parts of this route. Some sections have toll-free alternatives.
