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Did you mean flights from Denver to St Louis?

Cheap Flights from St Louis to Denver, CO, United States - STL to DEN Last modified: Jun 27, 2016 7:51 AM

Popular flights from St Louis to Denver Last modified: Jun 27, 2016 7:51 AM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Sep 17, 2016 Sep 24, 2016 $418
Oct 1, 2016 Oct 7, 2016 $418
American Airlines
Departure Date Return Date Lowest Price
Aug 26, 2016 Aug 28, 2016 $208
Aug 27, 2016 Aug 30, 2016 $208
Aug 27, 2016 Aug 31, 2016 $208
Sep 10, 2016 Sep 14, 2016 $208
Sep 10, 2016 Sep 12, 2016 $208
Frontier Airlines
Departure Date Return Date Lowest Price
Aug 17, 2016 Aug 20, 2016 $143
United Airlines
Departure Date Return Date Lowest Price
Aug 23, 2016 Aug 30, 2016 $151
Aug 27, 2016 Aug 31, 2016 $151
Aug 27, 2016 Aug 30, 2016 $151
Sep 3, 2016 Sep 10, 2016 $151
Sep 10, 2016 Sep 14, 2016 $151

How Much Does it Cost to Fly from St Louis to Denver (STL to DEN)?

We have collected flight cost data from across the web for travel from St Louis to Denver, and have found the average flight price for this trip to be $155.

When Can I Buy the Cheapest Flight from St Louis to Denver (STL to DEN)?

Airlines can adjust prices for plane tickets from St Louis to Denver based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from St Louis to Denver

The chart below shows up-to-date information regarding how far in advance a flight from St Louis to Denver should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $207 $572
7-14 days $203 $301
14-21 days $160 $216
21-30 days $157 $206
30-60 days $143 $202
60-90 days $147 $202
90+ days $147 $202

Cheapest Day To Fly from St Louis to Denver

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Denver.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$147 $147 $143 $167 $163 $147 $167

Lowest Fares Chart By Month from St Louis to Denver

The chart below shows the lowest fare by month when flying from St Louis to Denver.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June St Louis Denver United 6/29/16 7/5/16 1 $579
July St Louis Denver Frontier 7/26/16 7/28/16 0 $157
August St Louis Denver Frontier 8/17/16 8/20/16 0 $143
September St Louis Denver Frontier 9/10/16 9/14/16 0 $147
October St Louis Denver Frontier 10/1/16 10/4/16 0 $147
November St Louis Denver United 11/1/16 11/6/16 0 $197
December St Louis Denver Frontier 12/7/16 12/14/16 0 $147
January St Louis Denver Frontier 1/7/17 1/14/17 0 $147

Cheapest Weekend Non-Stop Flights for the Next 30 Days from St Louis to Denver

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from St Louis to Denver.

Next 30 Days

SunMonTueWedThuFriSat
26 27 28 29 30 1 2
$267
3 4 5 6 7 8 9
$267 $208
10 11 12 13 14 15 16
$208 $203
17 18 19 20 21 22 23
$203 $203
24 25 26 27 28 29 30
$203 $203
31 1 2 3 4 5 6
$203

Non-Stop vs Connecting Flights from St Louis to Denver (STL to DEN)

Your St Louis to Denver flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Denver is $295.

The average price for non-stop flights from St Louis to Denver is $147.

The chart below shows up to date information regarding non-stop flights from St Louis to Denver.

Nonstop Flight Details from St Louis to Denver
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Frontier 1 1 1 1 1 1 1 16:25 16:25
United 5 5 5 5 5 5 5 05:45 19:57

Round Trip vs One Way Flights from St Louis to Denver (STL to DEN)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Denver. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to Denver is $118.

The average price for round trip flights from St Louis to Denver is $244.

More Cheap Flights

FlightsAirlineLowest Price
Bloomington - Normal to Denver American $372
Springfield to Denver American, United $455
Moline to Denver American, United $420
Peoria to Denver American, United $358
Evansville to Denver American, United $369
Champaign to Denver American $269
Springfield to Denver American, United $372
St Louis to Colorado Springs American, Alaska, United $242
St Louis to Dallas - Ft Worth American, Alaska, United $235
St Louis to Chicago American, Alaska, United $241
St Louis to Las Vegas American, Alaska, Frontier, United $127
St Louis to Phoenix American, Alaska, United $362
St Louis to Los Angeles American, Alaska, Frontier, United $251
St Louis to Atlanta American, Alaska, Frontier, United $107
Springfield to Colorado Springs American, United $350
St Louis to Aspen American, Alaska, United $412
St Louis to Hayden - Steamboat American, Alaska, United $488
Moline to Colorado Springs American, United $370
St Louis to New York American, Alaska, United $209
Evansville to Colorado Springs American, United $431
Peoria to Colorado Springs American, United $370
St Louis to Salt Lake City American, Alaska, Frontier, United $204
St Louis to Vail American, Alaska, United $578
Bloomington - Normal to Colorado Springs American $370
Springfield to Colorado Springs American, United $496
St Louis to Houston American, Alaska, United $310
St Louis to San Francisco American, Alaska, Frontier, United $279
Moline to Dallas - Ft Worth American, United $383
St Louis to Albuquerque American, Alaska, United $376
St Louis to Seattle American, Alaska, Frontier, United $293

Airlines Flying from St Louis to Denver (STL to DEN) Number of flights searched: 174Last modified: Jun 27, 2016 7:52 AM

Below are the different airlines that fly from St Louis to Denver with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Denver.

St Louis to Denver
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHX X X X X X X X
Alaska SEA X X X X X X X
Delta ATL X X X X X X X
Frontier - X X X X X X X
United - X X X X X X X
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest OKC X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Denver, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

St Louis to Denver Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is a direct flight from St Louis to Denver?
Answer: The average St Louis to Denver flight time is 2 hours and 22 minutes.
Question: How many miles are there between St Louis and Denver?
Answer: The distance from St Louis to Denver is 767 miles.
Question: How common are direct flights from St Louis to Denver?
Answer: There are 41 direct flights from St Louis to Denver.
Question: What is the most popular airline for non-stop flights from St Louis to Denver?
Answer: United Airlines provides 82% of the non-stop flights between St Louis and Denver.
Question: What are the most popular connecting cities when flying from St Louis to Denver?
Answer: Chicago, IL
St Louis (STL) To Denver, CO (DEN) Flights: Cheap Flights From St Louis To Denver | FareCompare.