Flight
Driving
St. Louis to Denver
Updated: 28 May 2026
The journey from St. Louis to Denver covers approximately 1,400 kilometers. The most direct driving route is via I-70 West, taking about 14 hours. Direct flights are available from St. Louis Lambert International Airport to Denver International Airport, lasting about 2.5 hours. This route takes you across the plains of Missouri and Kansas and into the Rocky Mountains.
Total Distance: 1,400 km driving, 1,200 km air distance.
Fastest Way
Flight, with a total travel time of about 4.5 hours including airport transit.
Cheapest Way
Driving is generally the most economical for groups.
Compare St. Louis to Denver Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 2 hours 30 mins | 14 hours |
| Avg Price | $150-$350 | $160-$220 fuel |
| Operator | Southwest, United | Personal Vehicle |
| Route | STL to DEN. | I-70 W. |
| Tip | Book in advance for better rates. | The drive is long; plan for an overnight stop in Kansas. |
Travel Tips
-
TrafficTraffic in Denver can be heavy; plan your travel accordingly.
-
WeatherBe prepared for high altitude and sudden weather changes.
-
AirportDEN is located far from the city; allow time for the commute.
-
DiningTry the local craft beer and mountain-inspired cuisine.
-
NavigationUse a GPS as the highway system can be confusing.
Safety Tips
-
DrivingStay alert for high-speed traffic on the interstates.
-
ParkingUse secure parking garages in the downtown area.
-
EmergencyKeep water in your car during the summer.
-
Personal SafetyStay in well-lit areas when exploring at night.
People Also Ask
-
Is there a train to Denver?Yes, Amtrak's California Zephyr runs from Chicago, but not directly from St. Louis.
-
How long is the drive?The drive is approximately 14 hours.
-
What is the best airport?Denver International (DEN) is the primary hub.
-
Are there tolls?There are some toll roads in the Denver area.
-
Is it safe to drive?Yes, but be prepared for long distances.
Quick Info
- From St. Louis, Missouri, United States
- To Denver, Colorado, United States
-
Modes
Best Time to Travel
Summer for hiking or winter for skiing.
Things to Do in Denver
1
Red Rocks Park and Amphitheatre
A world-famous outdoor venue built into natural rock formations.
2
Denver Art Museum
Features a vast collection of art, including significant Native American works.
3
Denver Botanic Gardens
A beautiful urban oasis with a wide variety of plants and flowers.
4
Union Station
A historic train station that has been transformed into a vibrant dining and shopping hub.
Tags
St. Louis to Denver flight
St. Louis to Denver drive
I-70 route
Denver travel guide
St. Louis to Denver distance
fastest way to Denver
cheapest way to Denver
Colorado travel
