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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 August, booked 43 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

+120.0%
+80.0%
+40.0%
Base
Price
$113 - $219
Temperature
45 - 90 °F
Rainfall
0 - 3 inches
Most popular in December High demand for flights, 17% potential price rise
Cheapest in April Best time to find cheap flights, 4% potential price drop
Average price $147 Price for this month
Cheapest price $113 From St Louis to Denver

Cheap flights from St Louis to Denver in September 2019

The best prices found for STL to DEN flights for September
25 Sep - 26 Sep
$111pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
22 Sep - 25 Sep
$123pp
STL
Lambert-St Louis
Delta
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
STL
Lambert-St Louis
28 Sep - 30 Sep
$133pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
Non-Stop
STL
Lambert-St Louis

St Louis to Denver 2019 flight deals

Cheap flights to Denver from St Louis found for this year
9 Nov - 11 Nov
$96pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
7 Dec - 10 Dec
$108pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
7 Nov - 4 Dec
$112pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis

Non-stop flights to Denver from St Louis

Save time with St Louis to Denver direct flight deals
6 Oct - 10 Oct
$113pp
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
21 Sep - 25 Sep
$108pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
17 Sep - 24 Sep
$123pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
22 Sep - 25 Sep
$123pp
STL
Lambert-St Louis
Delta
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Delta
Non-Stop
STL
Lambert-St Louis

Destination information for Denver

Things to know before you go. Useful info for your trip from St Louis to Denver
Flight duration
2h 16m
Average temperature for September in Denver
78.8 °F
Avg rainfall for September in Denver
1.1 ″

Airports servicing St. Louis

Airports servicing Denver

Over the next ten days, the expected rainfall is likely to be 2 inches less in Denver than in St Louis .
In St Louis, the weather for the next ten days is 82°F, but in Denver it’ll be 79°F.
The days of the week where direct flights between St Louis and Denver are currently available are Sun, Mon, Tue, Wed, Thu, Fri and Sat
Which airlines fly from St Louis to Denver?
Direct flights from St Louis to Denver are currently served by 4 airlines, including Air Canada, Frontier and Southwest.
There have been 375 users looking for flights to Denver from St Louis in the past thirty days.
How many flights depart from St Louis to Denver on average per day?
On average 37 flights depart from Lambert-St Louis to Denver Intl per day.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 46% of flight departures
Afternoon (Noon - 6pm) - 27% of flight departures
Evening (6pm - Midnight) - 14% of flight departures
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.

Related info for your journey

Useful info, stats and facts about St Louis to Denver flights.
Flight FAQs
From St Louis to Denver
What percent of flights are delayed?
A delay of 1 hr 12.2 mins is common
How many passenger seats are available on a flight on this route?
On average, all flights from St Louis offer a total of 1,038 seats to Denver per day
What is the cheapest airline for this route?
The cheapest airline for this route is Southwest Airlines Co. on average. Southwest Airlines Co. operates 100 flight per week
Related searches
Flights to Denver from St Louis