Flights from St Louis to Denver, United States

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St Louis to Denver Last modified: Oct 25, 2023 13:28 -04:00

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How Much is a Flight from St Louis to Denver?

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 $71.

Where To Buy Cheap Flights from St Louis to Denver?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for 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 found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to Denver?

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to Denver.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $68 $118
7-14 days $68 $108
14-21 days $48 $78
21-30 days $48 $78
30-60 days $48 $88
60-90 days $68 $128
90+ days $68 $128

Cheapest Day To Fly from St Louis to Denver

We've examined 214,139,184 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to Denver is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$48$48$58$68$48$167$58

Compare Flight Prices from St Louis to Denver by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to Denver flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
October St Louis Denver Frontier 10/29/23 11/14/23 0 $68
November St Louis Denver Frontier 11/11/23 11/14/23 0 $48
December St Louis Denver Frontier 12/2/23 12/5/23 0 $48
January St Louis Denver Frontier 1/9/24 1/10/24 0 $68
February St Louis Denver Frontier 2/3/24 2/6/24 0 $68
March St Louis Denver Frontier 3/2/24 3/5/24 0 $88
April St Louis Denver United 4/1/24 4/3/24 0 $366
May St Louis Denver United 5/1/24 5/1/24 0 $366

Cheap Last Minute Flights from St Louis to Denver

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to Denver. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
22 23 24 25 26 27 28
$98
29 30 31 1 2 3 4
$98 $88
5 6 7 8 9 10 11
$88 $48
12 13 14 15 16 17 18
$48 $72
19 20 21 22 23 24 25
$72 $116
26 27 28 29 30 1 2
$116

Connecting Flights vs Direct Flights from St Louis to Denver

Flights between some cities may be significantly cheaper if you choose 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 $232.

The average price for direct flights from St Louis to Denver is $201.

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

Weekly Direct Flights from St Louis to Denver - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
United 6 6 6 6 6 5 6 00:21 11:30

One Way Flights vs Round Trip Flights from St Louis to Denver

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 $101.

The average price for round trip flights from St Louis to Denver is $201.

St Louis to Denver Flight Questions

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

Question: How long is the flight from St Louis to Denver?
Answer: The average St Louis to Denver flight time is 2 hours and 31 minutes.
Question: How far is Denver from St Louis?
Answer: The distance from St Louis to Denver is 767 miles (1,234 kilometers).
Question: How common are direct flights from St Louis to Denver?
Answer: There are 41 direct flights from St Louis to Denver.
Question: What are the most popular St Louis airlines for direct flights from St Louis to Denver?
Answer: United Airlines provides 100% of the non-stop flights between St Louis and Denver.

St Louis to Denver Airports

These are the major commercial airports we're currently monitoring in St Louis and Denver. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from St Louis to Denver