The drive from Denver to Portland takes approximately 18h 0min, covering 1250 miles via I-70. Under normal conditions, expect to spend around $145 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 25–26+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
15h 18m
🔵 Typical
18h 0min
🔴 Heavy traffic
26h 6m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance1250 miles (2011 km)
Drive Time18h 0min
RouteI-70
Best TimeEarly morning (6-8 AM)
Fuel Costs
Gas (30 mpg)~41.7 gallons
Est. Cost$145
Route Tips: I-70
Crosses the Rocky Mountains with stunning scenery. Mountain passes can be challenging in winter.
You'll likely need 3 fuel stops along the way.
Best Time to Drive from Denver to Portland
For a long drive like Denver 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:Early morning (6-8 AM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
18h 0min
~$145 gas
✈️ Flying
5h 0m
~$188–$438 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~2h 30m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
18h 0min
~$145
🚌 Bus
27h 47m
~$100–$225
🚂 Train
22h 44m
~$150–$375
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:
📍 Sun Valley
📍 Boise
📍 Salt Lake City
Frequently Asked Questions
How long does it take to drive from Denver to Portland?
The drive from Denver to Portland takes approximately 18h 0min covering 1250 miles via I-70. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Denver to Portland?
At 30 MPG and $3.50/gallon, expect to spend approximately $145 on gas for this 1250-mile trip. You'll need about 41.7 gallons of fuel.
What is the best time to drive from Denver to Portland?
Early morning (6-8 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Denver to Portland route?
Yes, expect approximately $37 in tolls along this route. Consider getting a ExpressToll transponder for faster toll payment.