Direct (non-stop) flights from Denver (DEN) to Saint Louis (STL)
Find comprehensive flight information, schedules, and booking details for direct flights from Denver (DEN) to Saint Louis (STL). This popular route is operated by 3 airlines, offering multiple daily departures.• Flight Duration: 1h 56m - 2h 20m (average flight time)• Distance: 772 miles (1242 km) (air miles between airports)• Daily Flights: 6-16 flights (scheduled departures per day)
Denver (DEN)
Saint Louis (STL)
FLIGHT TIME
1h 56m - 2h 20m
FLIGHT DISTANCE
772 miles (1242 km)
2h 0m - 2h 12m
05:10
21:25
772 miles (1242 km)
January
3 (Show)
74
Flight Schedule
December 2025
Airlines with direct flights from Denver (DEN) to Saint Louis (STL)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 56m - 2h 20m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, 18:00, 5:00, offering more flight options and potentially better connections.
Denver (DEN) - Saint Louis (STL) flight price statistics
$233
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$67
Jan$110
Feb$78
Mar$93
Apr$326
May$180
Jun$284
Jul$264
Aug$244
Sep$220
Oct$601
Nov$326
DecRelated Information
Airports: DEN • STL Airport
Airlines operating this route: Southwest Airlines (WN), Frontier Airlines, United Airlines
Frequently Asked Questions
How many flights operate from DEN to STL?
There are 11 direct flights operating from DEN to STL. Approximately 6-16 flights daily.
Which airlines operate flights from DEN to STL?
3 airlines operate on this route: Southwest Airlines, Frontier Airlines, United Airlines.
How long is the flight from DEN to STL?
The flight duration from DEN to STL is approximately 1h 56m - 2h 20m.
What is the distance from DEN to STL?
The distance from DEN to STL is 772 miles (1242 km).
What is the flight time range for this route?
Flight times on this route range from 2h 0m - 2h 12m.
What are the earliest and latest flight departure times?
The earliest flight departs at 05:10 and the latest flight departs at 21:25.
What is the cheapest month to fly from DEN to STL?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 74 flights operate per week from DEN to STL.
What types of aircraft operate on this route?
This route is served by Boeing 737MAX 8 Passenger, Airbus A321neo, Boeing 737-800 (winglets) Passenger/BBJ2, Airbus A320, Airbus A319 and 2 more aircraft types.
What is the average flight price from DEN to STL?
The average flight price for a round-trip ticket from DEN to STL is approximately $233 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from DEN to STL for the lowest prices?
January is typically the cheapest month to fly from DEN to STL. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from DEN to STL?
3 airlines offer direct flights from DEN to STL, providing travelers with multiple options for scheduling and pricing.
How far is STL from DEN?
The distance from DEN to STL is 772 miles (1242 km). This is a long-haul flight route.
How long does it take to fly from DEN to STL?
The flight time from DEN to STL is approximately 1h 56m - 2h 20m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.