If you're planning a trip from St. Louis to Denver, you're in luck! There are several airlines that offer direct flights between these two vibrant cities. Departing from St. Louis Lambert International Airport (STL), you can easily reach Denver International Airport (DEN) without the hassle of layovers.
Airlines Operating Direct Flights
Among the airlines providing direct services on this route are:
Southwest Airlines
United Airlines
Frontier Airlines
These airlines offer a range of flight times and prices, making it convenient for travelers to find an option that fits their schedule and budget. Whether you're heading to Denver for business, leisure, or to explore the stunning Rocky Mountains, you can enjoy a quick and comfortable flight.
To ensure you get the best deal on your airfare, we recommend using Ecofly, your go-to search engine for cheap airline tickets. With our platform, you can easily compare prices from all the airlines operating on this route, helping you find the most affordable options available. Start your journey today and discover the beauty of Denver!
Frontier Airlines
low cost airline
Su
Mo
Tu
We
Th
Fr
Sa
low cost airline
1 daily flights
United Airlines
Su
Mo
Tu
We
Th
Fr
Sa
3 daily flights
Southwest Airlines
low cost airline
Su
Mo
Tu
We
Th
Fr
Sa
low cost airline
3-5 daily flights
Non-stop Flights Schedule
Airline
Flight
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier Airlines
F9 699
Su
14:41
Mo
14:11
Tu
—
We
14:11
Th
14:41
Fr
14:11
Sa
14:11
United Airlines
UA 690
Su
08:39
Mo
08:39
Tu
08:39
We
08:39
Th
08:39
Fr
08:39
Sa
08:39
United Airlines
UA 2363
Su
13:38
Mo
13:38
Tu
13:38
We
13:38
Th
13:38
Fr
13:38
Sa
13:38
United Airlines
UA 5221
Su
16:34
Mo
16:25
Tu
16:25
We
16:25
Th
16:25
Fr
16:33
Sa
16:32
Southwest Airlines
WN 697
Su
—
Mo
05:50
Tu
05:50
We
05:50
Th
05:50
Fr
05:50
Sa
—
Southwest Airlines
WN 1381
Su
06:40
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 425
Su
—
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
06:45
Southwest Airlines
WN 2742
Su
—
Mo
08:10
Tu
08:10
We
08:10
Th
08:10
Fr
08:10
Sa
—
Southwest Airlines
WN 444
Su
10:55
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
—
Southwest Airlines
WN 700
Su
13:20
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
13:05
Southwest Airlines
WN 791
Su
—
Mo
13:15
Tu
13:15
We
13:15
Th
13:15
Fr
13:15
Sa
—
Southwest Airlines
WN 2495
Su
18:35
Mo
17:25
Tu
17:25
We
17:25
Th
17:25
Fr
17:25
Sa
17:05
Southwest Airlines
WN 1252
Su
—
Mo
20:20
Tu
20:20
We
20:20
Th
20:20
Fr
20:20
Sa
—
Southwest Airlines
WN 1994
Su
21:45
Mo
—
Tu
—
We
—
Th
—
Fr
—
Sa
—
Direct flight fare trends between St. Louis and Denver
If you're in pursuit of the most economical travel option, consider a non-stop flight route from Lambert-Saint Louis International Airport to Denver International Airport, where fares can dip as low as 145€, especially during the budget-friendly month of March. These fare averages for direct journeys connecting Lambert-Saint Louis International Airport (STL) and Denver International Airport (DEN) are computed based on real-time user inquiries, utilizing the lowest monthly ticket prices available for round-trip adult fares. Keep in mind that the presented prices are subject to variation depending on the depth of data accessible for this specific route.
For travelers with an eye for savings, this is an opportunity not to be missed. Booking your non-stop flight during March could mean substantial savings, with the chance to secure fares as attractive as 145€. These figures represent the culmination of countless user searches, with our calculations hinging on the lowest monthly round-trip rates for adult passengers. It's essential to acknowledge the potential for price fluctuations based on the data richness concerning this specific flight path.
€219Approximately
€211Jan
€161Feb
€201Mar
€168Apr
€154May
€171Jun
€181Jul
€229Aug
€219Sep
€310Oct
€310Nov
€310Dec
Approximate costs for flights between Lambert-Saint Louis International Airport (STL) and Denver International Airport (DEN)
Departing from Lambert-Saint Louis International Airport (STL)
St. Louis Lambert International Airport, commonly referred to as STL, is a significant and expansive airport located in the United States.
Denver International Airport (DEN) holds the distinction of being the third largest airport in the entire United States, showcasing its significant size and capacity.
FAQ about non-stop flights from Lambert-Saint Louis International Airport to Denver International Airport
What is the flight duration from Lambert-Saint Louis International Airport to Denver International Airport?
Typically, flights from Lambert-Saint Louis International Airport to Denver International Airport take around 2h 45min on average.
How many airlines offer non-stop flights from St. Louis to Denver?
There are 3 airlines that offer nonstop flights to Denver International Airport (DEN). These airlines, including Frontier Airlines, United Airlines, Southwest Airline, provide convenient and direct travel options for passengers looking to reach their destination swiftly without layovers.
What is the average price of airfare from Lambert-Saint Louis International Airport to Denver International Airport?
The most economical option for a non-stop flight from Lambert-Saint Louis International Airport to Denver International Airport can be found at 145€, and this special rate is typically available during March. However, it's important to note that airfares tend to increase during October, with the average cost of a direct flight soaring to 295€.
Which airline is the most popular on this route?
Frontier Airlines is the most popular airline for flights between St. Louis to Denver.
What's the total flying distance from St. Louis to Denver?
The approximate distance between St. Louis and Denver is about 1242 kilometers.
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