Denver to Cahokia/St Louis (DEN–CPS) — 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.
Last scheduled nonstop: May 2026.
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.
DEN–CPS had nonstop service from Sun Country Airlines, last on the schedule in May 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 781 miles in 1h 57m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| SY Sun Country Airlines | 0 | – | – | – | – |
On-Time Performance
Travel Essentials
DEN: MDT · CPS: CDT
When it's 6:00 PM in Denver, it's 7:00 PM in Cahokia/St Louis.
RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.
DEN–CPS Quick Facts
Frequently Asked Questions
Flights from DEN to CPS
Denver International Airport (DEN) and St Louis Downtown Airport (CPS) had nonstop service from Sun Country Airlines, last on the schedule in May 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
DEN to CPS Flight Duration and Schedule
Nonstop flight time from DEN to CPS is about 1 hours 57 minutes gate to gate. The route covers a distance of 781 miles (1,257 km).