Cahokia/St Louis to Denver (CPS–DEN) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
CPS–DEN is served by 2 airlines with nonstop service. United Airlines and Air Canada lead the route. The flight covers 781 miles in approximately 2h 35m. Beyond nonstop, 25 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 1 | 739 | 2h35 | – | Star Alliance | – |
| AC Air Canada | 0 | – | – | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Denver from Cahokia/St Louis
| Metric | CPS→DEN | STL→DEN | COU→DEN |
|---|---|---|---|
| Distance from CPS | – | 17 mi | 113 mi |
| Nonstop airlines | 2 | 5 | 2 |
| Weekly flights | 1 | 113 | 7 |
| Flight time | 2h 35m | 2h 2m | 2h 21m |
Travel Essentials
CPS: CDT · DEN: MDT
When it's 6:00 PM in Cahokia/St Louis, it's 5:00 PM in Denver.
RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.
Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.
Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.
CPS–DEN Quick Facts
Frequently Asked Questions
Flights from CPS to DEN
St Louis Downtown Airport (CPS) and Denver International Airport (DEN) are connected by nonstop service from Air Canada and United Airlines. With 1 weekly departures, this is a regularly served route.
CPS to DEN Flight Duration and Schedule
Nonstop flight time from CPS to DEN ranges from 2 hours 35 minutes. The route covers a distance of 781 miles (1,257 km).
Connecting Options and Alternatives
25 one-stop connections are available, with the fastest taking approximately 4 hours via OKC. Nearby alternative airports include St Louis (STL) and Columbia (COU).