Direct flights from St. Louis to Denver

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St. Louis

United States

United States

STL

Lambert-Saint Louis International Airport

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Denver

United States

United States

DEN

Denver International Airport (succeeded Stapleton Airpo

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Flight schedule
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Distance
767 miles  ·  (1,234 km)
Flight time
2 hours and 32 minutes
Airlines
  • Frontier Airlines
  • Southwest Airlines
  • United Airlines
Alliances
  • OneWorld
  • SkyTeam
  • Star Alliance
Classes
  • Economy
  • Premium Economy
  • Business Class
  • First Class
Aircrafts
  • Airbus A319
  • Airbus A320-100/200
  • Airbus A320neo
  • Airbus A321-100/200
  • Boeing 737 MAX 8
  • Boeing 737-700 (winglets)
  • Boeing 737-800
  • Boeing 737-800 (winglets)
  • Canadair Regional Jet 700
  • Embraer 175

St. Louis to Denver Flight Schedule

Scan through all non-stop flights from St. Louis to Denver. The full flight schedule below gives an overview of all non-stop flights from STL to DEN, which includes the daily timetable of every operating airline for the upcoming 12 months.

Note: for airline-specific flight schedules, please scroll further down.

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Airlines flying from St. Louis to Denver

Airline-specific flight schedules from St. Louis to Denver

In total there are 3 airlines operating nonstop flights from St. Louis STL to Denver DEN. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their STL DEN flight schedule.

Frontier Airlines
Frontier Airlines flight schedulefrom St. Louis to Denver

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Southwest Airlines
Southwest Airlines flight schedulefrom St. Louis to Denver

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United Airlines
United Airlines flight schedulefrom St. Louis to Denver

United Airlines is a member of Star Alliance
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St. Louis to Denver Flights

Flights from STL to DEN are operated 42 times a week, with an average of 6 flights per day. Departure times vary between 05:00 - 22:05. The earliest flight departs at 05:00, the last flight departs at 22:05. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.

You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).

The fastest direct flight from St. Louis to Denver takes 2 hours and 32 minutes. The flight distance between St. Louis and Denver is 767 miles (or 1,234 km).

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Frequently asked questions - FAQ

How many airports are there in Denver?

There is 1 airport in Denver: Denver International Airport (succeeded Stapleton Airpo (DEN).

How many flights per week are there from STL to DEN?

There are 42 flights per week flying from St. Louis to Denver (as of January 2022).

How long does it take to fly from St. Louis to Denver?

2 hours and 32 minutes is the average flight time from St. Louis to Denver.

How far is Denver from St. Louis?

The distance from St. Louis to Denver is 767 miles (1,234 kilometers).

What airlines fly nonstop from STL airport to DEN airport?

Frontier Airlines, Southwest Airlines and United Airlines are flying nonstop from St. Louis to Denver.

What alliances have direct flights from St. Louis to Denver?

Star Alliance is currently the only alliance flying nonstop from St. Louis to Denver.

What classes are available from St. Louis to Denver?

You can fly non-stop in Economy and Business Class.

What aircraft types fly from St. Louis to Denver?

Aircraft types that fly from St. Louis to Denver:

  • Airbus A319
  • Airbus A320-100/200
  • Airbus A320neo
  • Airbus A321-100/200
  • Boeing 737 MAX 8
  • Boeing 737-700 (winglets)
  • Boeing 737-800
  • Boeing 737-800 (winglets)
  • Canadair Regional Jet 700
  • Embraer 175

What is the earliest flight departing from St. Louis to Denver?

The earliest flight departs at 05:00 from St. Louis and arrives at 06:20 at Denver.

What is the latest flight available from St. Louis to Denver?

The latest flight departs at 22:05 from St. Louis and arrives at 23:15 at Denver.

Non-stop flights from STL to DEN

767 miles (1,234 km)  ·  2h 32m

Round trip
1 passenger
Economy
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Return schedule
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  • Depart
  • Arrive
  • Airline
  • Flight no
  • Aircraft
  • Classes
  • 05:50

  • 07:30

  • Southwest Airlines

    Southwest Airlines

  • WN 1198

  • Southwest Airlines

  • Boeing 737-700 (winglets)

  • Y

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    F

  • 08:30

  • 10:00

  • Southwest Airlines

    Southwest Airlines

  • WN 2937

  • Southwest Airlines

  • Boeing 737-700 (winglets)

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    W

    J

    F

  • 08:50

  • 10:25

  • Southwest Airlines

    Southwest Airlines

  • WN 942

  • Southwest Airlines

  • Boeing 737-700 (winglets)

  • Y

    W

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    F

  • 08:55

  • 10:25

  • United Airlines

    United Airlines

    Star Alliance

  • UA 1668

  • United Airlines

  • Airbus A319

  • Y

    W

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    F

  • 08:55

  • 10:25

  • United Airlines

    United Airlines

    Star Alliance

  • UA 1668

  • United Airlines

  • Boeing 737-800

  • Y

    W

    J

    F

  • 09:00

  • 10:30

  • United Airlines

    United Airlines

    Star Alliance

  • UA 1668

  • United Airlines

  • Airbus A319

  • Y

    W

    J

    F

  • 11:00

  • 12:39

  • United Airlines

    United Airlines

    Star Alliance

  • UA 5340

  • United Airlines

  • Embraer 175

  • Y

    W

    J

    F

  • 13:20

  • 14:45

  • Southwest Airlines

    Southwest Airlines

  • WN 2282

  • Southwest Airlines

  • Boeing 737-800 (winglets)

  • Y

    W

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    F

  • 13:30

  • 14:57

  • United Airlines

    United Airlines

    Star Alliance

  • UA 2350

  • United Airlines

  • Airbus A320-100/200

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    W

    J

    F

  • 13:30

  • 14:55

  • Southwest Airlines

    Southwest Airlines

  • WN 2686

  • Southwest Airlines

  • Boeing 737-800 (winglets)

  • Y

    W

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    F

  • 16:20

  • 18:01

  • United Airlines

    United Airlines

    Star Alliance

  • UA 5221

  • United Airlines

  • Embraer 175

  • Y

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    J

    F

  • 16:30

  • 17:55

  • Southwest Airlines

    Southwest Airlines

  • WN 575

  • Southwest Airlines

  • Boeing 737-800 (winglets)

  • Y

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  • 18:55

  • 20:25

  • Southwest Airlines

    Southwest Airlines

  • WN 26

  • Southwest Airlines

  • Boeing 737 MAX 8

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  • 19:44

  • 21:18

  • Frontier Airlines

    Frontier Airlines

  • F9 699

  • Frontier Airlines

  • Airbus A320-100/200

  • Y

    W

    J

    F

  • 19:44

  • 21:18

  • Frontier Airlines

    Frontier Airlines

  • F9 699

  • Frontier Airlines

  • Airbus A320neo

  • Y

    W

    J

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  • 19:46

  • 21:20

  • Frontier Airlines

    Frontier Airlines

  • F9 699

  • Frontier Airlines

  • Airbus A320neo

  • Y

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  • 19:46

  • 21:20

  • Frontier Airlines

    Frontier Airlines

  • F9 699

  • Frontier Airlines

  • Airbus A320-100/200

  • Y

    W

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  • 20:54

  • 22:24

  • Frontier Airlines

    Frontier Airlines

  • F9 699

  • Frontier Airlines

  • Airbus A320neo

  • Y

    W

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  • 21:10

  • 22:35

  • Southwest Airlines

    Southwest Airlines

  • WN 1650

  • Southwest Airlines

  • Boeing 737-800 (winglets)

  • Y

    W

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