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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: Aug 27, 2016 3:13 AM

Popular flights from St Louis to Denver Last modified: Aug 27, 2016 3:13 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.

Frontier
STLDEN
Mon 10/3
nonstop
DENSTL
Thu 10/6
nonstop
$87
Select
Frontier
STLDEN
Tue 10/4
nonstop
DENSTL
Thu 10/6
nonstop
$87
Select
Frontier
STLDEN
Mon 10/10
nonstop
DENSTL
Tue 10/11
nonstop
$87
Select
Frontier
STLDEN
Mon 10/10
nonstop
DENSTL
Thu 10/13
nonstop
$87
Select
Frontier
STLDEN
Wed 10/12
nonstop
DENSTL
Tue 10/18
nonstop
$87
Select
United
STLDEN
Sat 9/17
nonstop
DENSTL
Sat 9/24
nonstop
$137
Select
United
STLDEN
Mon 9/19
nonstop
DENSTL
Tue 9/20
nonstop
$137
Select
United
STLDEN
Tue 9/20
nonstop
DENSTL
Wed 9/21
nonstop
$137
Select
United
STLDEN
Tue 9/20
nonstop
DENSTL
Tue 9/27
nonstop
$137
Select
United
STLDEN
Tue 9/20
nonstop
DENSTL
Sat 9/24
nonstop
$137
Select
American
STLDEN
Fri 9/16
1 stop
DENSTL
Mon 9/19
1 stop
$200
Select
American
STLDEN
Fri 9/16
1 stop
DENSTL
Fri 9/23
1 stop
$200
Select
American
STLDEN
Sat 9/17
1 stop
DENSTL
Sat 9/24
1 stop
$200
Select
American
STLDEN
Mon 9/19
1 stop
DENSTL
Tue 9/20
1 stop
$200
Select
American
STLDEN
Tue 9/20
1 stop
DENSTL
Tue 9/27
1 stop
$200
Select
Alaska
STLDEN
Fri 11/18
1 stop
DENSTL
Sun 11/20
1 stop
$408
Select

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 $99.

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 $192 $347
7-14 days $97 $172
14-21 days $107 $172
21-30 days $107 $172
30-60 days $87 $172
60-90 days $87 $172
90+ days $127 $172

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
$87 $87 $87 $117 $117 $97 $97

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
August St Louis Denver Frontier 8/30/16 9/3/16 0 $252
September St Louis Denver Frontier 9/3/16 9/7/16 0 $97
October St Louis Denver Frontier 10/3/16 10/6/16 0 $87
November St Louis Denver Frontier 11/1/16 11/15/16 0 $87
December St Louis Denver Frontier 12/9/16 12/13/16 0 $137
January St Louis Denver Frontier 1/11/17 1/17/17 0 $127
February St Louis Denver Frontier 2/4/17 2/7/17 0 $137
March St Louis Denver United 3/1/17 3/8/17 0 $191

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
28 29 30 31 1 2 3
$262
4 5 6 7 8 9 10
$262 $147
11 12 13 14 15 16 17
$147 $127
18 19 20 21 22 23 24
$127 $127
25 26 27 28 29 30 1
$127 $117
2 3 4 5 6 7 8
$117

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 $260.

The average price for non-stop flights from St Louis to Denver is $112.

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 16:20 16:20
United 6 5 5 6 6 4 6 06:00 19:55

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 $135.

The average price for round trip flights from St Louis to Denver is $208.

More Cheap Flights

FlightsAirlineLowest Price
Bloomington - Normal to Denver American, Delta $264
Springfield to Denver American, United $414
Moline to Denver American, Delta, United $322
Peoria to Denver American, Delta, United $264
Evansville to Denver American, Delta, United $328
Champaign to Denver American $276
Springfield to Denver American, United $248
St Louis to Colorado Springs American, Alaska, Delta, United $200
St Louis to Dallas - Ft Worth American, Alaska, United $213
St Louis to Chicago American, United $214
St Louis to Las Vegas American, Alaska, Delta, Frontier, United $107
St Louis to Phoenix American, Alaska, Delta, Frontier, United $87
St Louis to Los Angeles American, Alaska, Delta, Frontier, United $219
St Louis to Atlanta American, Delta, Frontier, United $107
Springfield to Colorado Springs American, Delta, United $374
St Louis to Aspen American, Alaska, Delta, United $328
St Louis to Hayden - Steamboat American, Alaska, Delta, United $331
Moline to Colorado Springs American, Delta, United $324
St Louis to New York American, Alaska, Delta, United $248
Evansville to Colorado Springs American, Delta, United $370
Peoria to Colorado Springs American, Delta, United $332
St Louis to Salt Lake City American, Alaska, Delta, Frontier, United $224
St Louis to Vail American, Delta, United $640
Bloomington - Normal to Colorado Springs American, Delta $332
Springfield to Colorado Springs American, United Check Dates
St Louis to Houston American, Alaska, Delta, United $228
St Louis to San Francisco American, Alaska, Delta, Frontier, United $244
Moline to Dallas - Ft Worth American, Delta, United $449
St Louis to Albuquerque American, Alaska, Delta, United $329
St Louis to Seattle American, Alaska, Delta, Frontier, United $229

Airlines Flying from St Louis to Denver (STL to DEN) Number of flights searched: 180Last modified: Aug 27, 2016 3:13 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 ORD X X X X X X X
Alaska SEA 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 MSP 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 25 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 45 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 84% 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: Minneapolis - St Paul, MN
St Louis (STL) To Denver, CO (DEN) Flights: Cheap Flights From St Louis To Denver | FareCompare.