Direct flights from Denver to St. Louis

Did you mean flights from St. Louis to Denver?

Last updated on: 10-05-2026

Denver

United States

DEN

Denver International Airport

St. Louis

United States

STL

Lambert-Saint Louis International Airport

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Flight schedule

Distance

767 miles · (1,234 km)

Flight time

2 hours and 10 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
Airbus A321neo
Boeing 737 MAX 8
Boeing 737 MAX 9
Boeing 737-700
Boeing 737-800
Boeing 737-800 (winglets)
Boeing 737-900
Embraer 175

Denver to St. Louis Flight Schedule

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

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

Return schedule

Best time to visit St. Louis

What is the best time to visit St. Louis?

🌺 💦 Humid Subtropical

St. Louis is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.

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May

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Sep

Oct

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Dec

You can visit St. Louis any time of the year, but the best months to explore are from to and from to .

St. Louis

STL

Airlines flying from Denver to St. Louis

Airline-specific flight schedules from Denver to St. Louis

In total there are 3 airlines operating nonstop flights from Denver DEN to St. Louis STL. 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 DEN STL flight schedule.

Frontier Airlines (F9)

Southwest Airlines (WN)

United Airlines (UA)

Frontier Airlines flight schedulefrom Denver to St. Louis

Return schedule

Southwest Airlines flight schedulefrom Denver to St. Louis

Return schedule

United Airlines flight schedulefrom Denver to St. Louis

United Airlines is a member of Star Alliance

Return schedule

Denver to St. Louis Flights

Flights from DEN to STL are operated 72 times a week, with an average of 10 flights per day. Departure times vary between 05:50 - 21:55. The earliest flight departs at 05:50, the last flight departs at 21:55. 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 Denver to St. Louis takes 2 hours and 10 minutes. The flight distance between Denver and St. Louis is 767 miles (or 1,234 km).

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