The drive from San Diego to Portland takes approximately 20h 11min, covering 1211 miles via I-5. Under normal conditions, expect to spend around $141 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 28–29+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
17h 9m
🔵 Typical
20h 11min
🔴 Heavy traffic
29h 16m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance1211 miles (1948 km)
Drive Time20h 11min
RouteI-5
Best TimeLate evening (8-10 PM)
Fuel Costs
Gas (30 mpg)~40.4 gallons
Est. Cost$141
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 3 fuel stops along the way.
Best Time to Drive from San Diego to Portland
For a long drive like San Diego to Portland, 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:Late evening (8-10 PM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
20h 11min
~$141 gas
✈️ Flying
4h 55m
~$182–$424 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~2h 25m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
20h 11min
~$141
🚌 Bus
26h 55m
~$97–$218
🚂 Train
22h 1m
~$145–$363
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:
📍 Lake Tahoe
📍 Reno
📍 Yosemite
Frequently Asked Questions
How long does it take to drive from San Diego to Portland?
The drive from San Diego to Portland takes approximately 20h 11min covering 1211 miles via I-5. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for San Diego to Portland?
At 30 MPG and $3.50/gallon, expect to spend approximately $141 on gas for this 1211-mile trip. You'll need about 40.4 gallons of fuel.
What is the best time to drive from San Diego to Portland?
Late evening (8-10 PM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the San Diego to Portland route?
Yes, expect approximately $36 in tolls along this route. Consider getting a FasTrak transponder for faster toll payment.
