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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 44 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flights from St Louis to Denver
$260
$210
$160
$117
Price
$117 - $221
Temperature
45 - 90 °F
Rainfall
0 - 3 inches
Most popular in December High demand for flights, 18% potential price rise
Cheapest in April Best time to find cheap flights, 4% potential price drop
Average price $169 Price for this month
Cheapest price $117 From St Louis to Denver

Cheap flights from St Louis to Denver in February 2020

The best prices found for STL to DEN flights for February
29 Feb - 4 Mar
$77pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
8 Feb - 15 Feb
$78pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
3 Feb - 5 Feb
$82pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis

St Louis to Denver 2020 flight deals

Cheap flights to Denver from St Louis found for this year
29 Feb - 4 Mar
$77pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
1 Apr - 4 Apr
$88pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
2 Mar - 4 Mar
$97pp
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
29 Feb - 4 Mar
$77pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
8 Feb - 15 Feb
$78pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
1 Feb - 5 Feb
$82pp
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
3 Feb - 5 Feb
$77pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis
1 Feb - 5 Feb
$82pp
STL
Lambert-St Louis
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
STL
Lambert-St Louis

Alternative routes for St Louis to Denver

Nashville to Alamosa from $314 pp

Destination information for Denver

Things to know before you go. Useful info for your trip from St Louis to Denver
Flight duration
2h 21m
Average temperature for January in Denver
46.4 °F
Avg rainfall for January in Denver
0.5 ″

Airports servicing St. Louis

St Louis (STL)

Airports servicing Denver

Denver (DEN)

Popular flight searches

Check out other popular destinations found by fellow travelers
Weekly flight availability
from St Louis to Denver
Sunday
10 daily flights
Monday
27 daily flights
Tuesday
26 daily flights
Wednesday
26 daily flights
Thursday
26 daily flights
Friday
26 daily flights
Saturday
4 daily flights

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 340 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 41 flights depart from Lambert-St Louis to Denver Intl per day.
Early Morning (Midnight to 6am) - 27% of flight departures
Morning (6am - Noon) - 41% of flight departures
Afternoon (Noon - 6pm) - 15% of flight departures
Evening (6pm - Midnight) - 17% 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 15 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.

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