Cahokia/St Louis to Denver (CPS–DEN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
CPS–DEN is served by 4 airlines with nonstop service. Sun Country Airlines, Air Canada and Delta Air Lines lead the route. The flight covers 781 miles in approximately 2h 17m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| SY Sun Country Airlines | 1 | 738 | 2h17 | – | – | – |
| AC Air Canada | 0 | – | – | – | Star Alliance | – |
| DL Delta Air Lines | 0 | – | – | – | SkyTeam | – |
| UA United Airlines | 0 | – | – | – | Star Alliance | – |
Weekly Schedule Pattern
On-Time Performance
Other ways to reach Denver from Cahokia/St Louis
| Metric | CPS→DEN | STL→DEN | CGI→DEN |
|---|---|---|---|
| Distance from CPS | – | 17 mi | 98 mi |
| Nonstop airlines | 4 | 6 | 1 |
| Weekly flights | 1 | 141 | 1 |
| Flight time | 2h 17m | 2h 8m | 1h 56m |
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 Sun Country Airlines, Air Canada, Delta Air Lines 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 is about 2 hours 17 minutes gate to gate. The route covers a distance of 781 miles (1,257 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.
Connecting Options and Alternatives
Nearby alternative airports include St Louis (STL), Cape Girardeau (CGI) and Decatur (DEC).