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Did you mean flights from St Louis to Denver?

Cheap Flights from Denver to St Louis, MO, United States - DEN to STL Last modified: Jun 29, 2016 6:56 PM

Popular flights from Denver to St Louis Last modified: Jun 29, 2016 6:56 PM

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.

United
DENSTL
Thu 8/25
nonstop
STLDEN
Mon 8/29
nonstop
$137
Select
United
DENSTL
Thu 9/8
nonstop
STLDEN
Mon 9/12
nonstop
$137
Select
United
DENSTL
Wed 9/14
nonstop
STLDEN
Wed 9/21
nonstop
$137
Select
Frontier
DENSTL
Wed 8/17
nonstop
STLDEN
Tue 8/23
nonstop
$147
Select
Frontier
DENSTL
Wed 8/17
nonstop
STLDEN
Mon 8/22
nonstop
$147
Select
Frontier
DENSTL
Thu 8/18
nonstop
STLDEN
Mon 8/22
nonstop
$147
Select
Frontier
DENSTL
Thu 8/25
nonstop
STLDEN
Sat 8/27
nonstop
$147
Select
Frontier
DENSTL
Thu 8/25
nonstop
STLDEN
Mon 8/29
nonstop
$147
Select
American
DENSTL
Tue 8/23
1 stop
STLDEN
Sat 8/27
1 stop
$204
Select
American
DENSTL
Thu 9/22
1 stop
STLDEN
Tue 10/4
1 stop
$204
Select
Alaska
DENSTL
Tue 9/27
1 stop
STLDEN
Thu 9/29
1 stop
$440
Select

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

We have collected flight cost data from across the web for travel from Denver to St Louis, and have found the average flight price for this trip to be $153.

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

Airlines can adjust prices for plane tickets from Denver to St Louis 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 Denver to St Louis

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

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $207 $480
7-14 days $155 $312
14-21 days $163 $206
21-30 days $163 $206
30-60 days $137 $171
60-90 days $137 $170
90+ days $147 $195

Cheapest Day To Fly from Denver to St Louis

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$175 $145 $137 $137 $164 $144 $167

Lowest Fares Chart By Month from Denver to St Louis

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Denver St Louis United 6/30/16 7/6/16 1 $540
July Denver St Louis Frontier 7/6/16 7/20/16 0 $155
August Denver St Louis United 8/25/16 8/29/16 0 $137
September Denver St Louis United 9/8/16 9/12/16 0 $137
October Denver St Louis Frontier 10/8/16 10/12/16 0 $147
November Denver St Louis United 11/12/16 11/17/16 0 $187
December Denver St Louis United 12/15/16 12/19/16 0 $246
February Denver St Louis United 2/24/17 2/27/17 0 $300

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

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 Denver to St Louis.

Next 30 Days

SunMonTueWedThuFriSat
26 27 28 29 30 1 2
$267
3 4 5 6 7 8 9
$267 $207
10 11 12 13 14 15 16
$207 $190
17 18 19 20 21 22 23
$190 $170
24 25 26 27 28 29 30
$170 $183
31 1 2 3 4 5 6
$183

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

Your Denver to St Louis 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 Denver to St Louis is $271.

The average price for non-stop flights from Denver to St Louis is $142.

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

Nonstop Flight Details from Denver to St Louis
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
Frontier 1 1 1 1 1 1 1 20:25 20:25
United 5 5 5 5 5 4 5 07:55 20:00

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

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 Denver to St Louis. 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 Denver to St Louis is $122.

The average price for round trip flights from Denver to St Louis is $232.

Denver to St Louis Flight Questions

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

Question: How long is a direct flight from Denver to St Louis?
Answer: The average Denver to St Louis flight time is 2 hours and 7 minutes.
Question: How many miles are there between Denver and St Louis?
Answer: The distance from Denver to St Louis is 767 miles.
Question: How common are direct flights from Denver to St Louis?
Answer: There are 41 direct flights from Denver to St Louis.
Question: What is the most popular airline for non-stop flights from Denver to St Louis?
Answer: United Airlines provides 82% of the non-stop flights between Denver and St Louis.

Airports for Your Route

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

Cheap Domestic Flights from Denver - DEN

FlightsAirlineLowest Price
Denver to Chicago American, Alaska, Frontier, Spirit, United $91
Denver to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United $77
Denver to Atlanta American, Alaska, Frontier, Spirit, United $179
Denver to Los Angeles American, Alaska, Frontier, Spirit, United, Virgin America $81
Denver to Minneapolis - St Paul American, Alaska, Frontier, Spirit, Sun Country, United $97
Denver to Nashville American, Frontier, United $197
Denver to Houston American, Frontier, Spirit, United, Great Lakes $105
Denver to Detroit American, Alaska, Frontier, Spirit, United $187
Denver to Kansas City Frontier, United $107
Denver to Orlando American, JetBlue, Frontier, Spirit, Sun Country, United $241
Denver to Las Vegas American, Frontier, Spirit, United $77
Denver to Washington American, JetBlue, Frontier, United $217
Denver to New York American, JetBlue, Frontier, Spirit, Sun Country, United $225
Denver to Charlotte American, Alaska, Frontier, United $195
Denver to Indianapolis American, Alaska, Frontier, United $167
Denver to Cincinnati American, Frontier, United $177
Denver to Springfield American, Alaska, United $306
Denver to Milwaukee American, Alaska, Frontier, United $147
Denver to Bloomington - Normal American, United $372
Denver to Louisville American, United $314
Denver to Memphis American, Alaska, Frontier, United $182
Denver to Little Rock American, United $284
Denver to Madison American, Alaska, Frontier, United $157

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Colorado Springs to St Louis American, United $208
Hayden - Steamboat to St Louis American, United $365
Montrose to St Louis American, United $318
Vail to St Louis American, United $412
Aspen to St Louis American, Alaska, United $412
Gunnison to St Louis United Check Dates
Colorado Springs to Chicago American, United $387
Cheap Flights from Denver to St Louis, MO, United States, from $137 Round trip from DEN to STL