The drive from Chicago to Denver takes approximately 14h 30min, covering 1000 miles via I-90. Under normal conditions, expect to spend around $116 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 20–21+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
12h 20m
🔵 Typical
14h 30min
🔴 Heavy traffic
21h 2m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance1000 miles (1609 km)
Drive Time14h 30min
RouteI-90
Best TimeEarly morning (6-8 AM)
Fuel Costs
Gas (30 mpg)~33.3 gallons
Est. Cost$116
Route Tips: I-90
The longest Interstate, coast to coast. Tolls in several states (Ohio, Indiana, Illinois).
You'll likely need 2 fuel stops along the way.
Best Time to Drive from Chicago to Denver
For a long drive like Chicago to Denver, 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
14h 30min
~$116 gas
✈️ Flying
4h 30m
~$150–$350 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~2h 0m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
14h 30min
~$116
🚌 Bus
22h 13m
~$80–$180
🚂 Train
18h 11m
~$120–$300
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:
📍 Omaha
📍 Kansas City
📍 Des Moines
Frequently Asked Questions
How long does it take to drive from Chicago to Denver?
The drive from Chicago to Denver takes approximately 14h 30min covering 1000 miles via I-90. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Chicago to Denver?
At 30 MPG and $3.50/gallon, expect to spend approximately $116 on gas for this 1000-mile trip. You'll need about 33.3 gallons of fuel.
What is the best time to drive from Chicago to Denver?
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 Chicago to Denver route?
Yes, expect approximately $30 in tolls along this route. Consider getting an E-ZPass or similar transponder for faster toll payment.
