Denver to St Louis (DEN–STL) — 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.
DEN–STL is served by 3 airlines with nonstop service. Southwest Airlines, United Airlines and Frontier lead the route. The flight covers 768 miles in approximately 2h 8m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 72 | 737, 738, 73H, 7M8, 7S7, B38M | 1h47-2h20 | – | – | |
| UA United Airlines | 28 | 319, 738 | 2h07-2h12 | Star Alliance | – | |
| F9 Frontier Also: Y4 | 7 | A20N | 2h11 | – | Y4 |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach St Louis from Denver
| Metric | DEN→STL | BJC→STL | EGE→STL |
|---|---|---|---|
| Distance from DEN | – | 24 mi | 120 mi |
| Nonstop airlines | 3 | 1 | 3 |
| Weekly flights | 114 | 1 | – |
| Flight time | 2h 8m | 1h 41m | 0h 49m |
| Departure OTP | 60% | – | – |
Travel Essentials
DEN: MDT · STL: CDT
When it's 6:00 PM in Denver, it's 7:00 PM in 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–STL Quick Facts
Frequently Asked Questions
Flights from DEN to STL
Denver International Airport (DEN) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines, United Airlines and Frontier. With 114 weekly departures, this is a heavily served route.
DEN to STL Flight Duration and Schedule
Nonstop flight time from DEN to STL is about 2 hours 8 minutes gate to gate. The route covers a distance of 768 miles (1,236 km). There are approximately 114 weekly flights outbound and 97 return, totaling 211 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Eppley Airfield, Kansas City and Minneapolis–Saint Paul. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (BJC), Eagle (EGE) and Aspen (ASE).