How Long Is the Drive from Seattle to San Francisco?
The drive from Seattle to San Francisco takes approximately 12h 30min, covering 810 miles via I-5. Under normal conditions, expect to spend around $94 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 17–18+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
10h 38m
🔵 Typical
12h 30min
🔴 Heavy traffic
18h 8m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance810 miles (1303 km)
Drive Time12h 30min
RouteI-5
Best TimeMid-morning (9-11 AM)
Fuel Costs
Gas (30 mpg)~27.0 gallons
Est. Cost$94
Route Tips: I-5
The main West Coast highway. Heavy traffic near LA, San Francisco, and Seattle. Scenic stretches through Oregon and Northern California.
You'll likely need 1 fuel stop along the way.
Best Time to Drive from Seattle to San Francisco
For a long drive like Seattle to San Francisco, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.
🟢 Best:Mid-morning (9-11 AM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
12h 30min
~$94 gas
✈️ Flying
4h 7m
~$122–$284 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~1h 37m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
12h 30min
~$94
🚌 Bus
18h 0m
~$65–$146
🚂 Train
14h 44m
~$97–$243
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:
📍 Crater Lake
📍 Redwood
📍 Portland
Frequently Asked Questions
How long does it take to drive from Seattle to San Francisco?
The drive from Seattle to San Francisco takes approximately 12h 30min covering 810 miles via I-5. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Seattle to San Francisco?
At 30 MPG and $3.50/gallon, expect to spend approximately $94 on gas for this 810-mile trip. You'll need about 27.0 gallons of fuel.
What is the best time to drive from Seattle to San Francisco?
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 Seattle to San Francisco route?
Yes, expect approximately $24 in tolls along this route. Consider getting a FasTrak transponder for faster toll payment.
