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Cheap flights from St Louis to Denver (STL - DEN)

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The best prices from St Louis to Denver are usually found in April or September, booked 45 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

$222
$187
$152
$117
Price
$117 - $216
Temperature
45 - 90 °F
Rainfall
0 - 3 inches
Most popular in December High demand for flights, 15% potential price rise
Cheapest in April Best time to find cheap flights, 4% potential price drop
Average price $176 Price for this month
Cheapest price $117 From St Louis to Denver

Cheap flights from St Louis to Denver in November 2019

The best prices found for STL to DEN flights for November
22 Nov - 29 Nov
$29pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis

St Louis to Denver 2019 flight deals

Cheap flights to Denver from St Louis found for this year
18 Dec - 25 Dec
$75pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis

Non-stop flights to Denver from St Louis

Save time with St Louis to Denver direct flight deals
6 Dec - 7 Dec
$29pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis

Last minute flights from St Louis to Denver

Late deals on round-trip flights to Denver from St Louis, departing today and this week
13 Nov - 19 Nov
$72pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
16 Nov - 23 Nov
$87pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
15 Nov - 21 Nov
$111pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis

Alternative routes for St Louis to Denver

Destination information for Denver

Things to know before you go. Useful info for your trip from St Louis to Denver
Flight duration
2h 31m
Average temperature for November in Denver
53.6 °F
Avg rainfall for November in Denver
0.6 ″

Airports servicing St. Louis

Airports servicing Denver

Related info for your journey

Useful info, stats and facts about St Louis to Denver flights.

Flight FAQs

From St Louis to Denver

What days are nonstop flights available from St Louis to Denver?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Flights from Lambert-St Louis to Denver Intl have been viewed 355 times in the past calendar month.

What percent of flights are delayed?

When booking remember that flights St Louis to Denver are typically delayed by 72min. so prepare as needed.

How many passenger seats are available on a flight on this route?

Expect 1,038 seats to be available on average per day for flights from Lambert-St Louis to Denver Intl.

What is the cheapest airline for this route?

Currently, Southwest Airlines Co. offers the cheapest flights from St Louis to Denver. On average 100 flights can be found for this airline route daily.

How long does the flight from St Louis to Denver take?

Travelers can expect a nonstop flight to take approximately 3 hours, flying a distance of about 480 miles.

How many flights depart from St Louis to Denver on average per day?

On average 43 flights depart from Lambert-St Louis to Denver Intl per day.
Early Morning (Midnight to 6am) - 16% of flight departures
Morning (6am - Noon) - 53% of flight departures
Afternoon (Noon - 6pm) - 23% of flight departures
Evening (6pm - Midnight) - 7% of flight departures

Does it rain more in St Louis or Denver?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in St Louis is roughly greater than that of Denver. You can assume this to be the case over the next 12 days.

Is St Louis weather warmer or cooler than Denver?

Temperatures around the 90 °F's can be experienced in July. The weather in Denver is the same as in St Louis. Plan for potential changes in flight availability as peak weather approaches in this location.