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

STL - DEN
Price
$117 - $218
DEN
Temperature
44.6 - 89.6 °F
DEN
Rainfall
0.5 - 2.7 inches
Popular in December High demand for flights, 30% potential price rise
Cheapest in April Best time to find cheap flights, 23% potential price drop
Average price $117 Average for round-trip flights in April 2020
Round-trip from $117 From St Louis to Denver

Cheap flights from St Louis to Denver in April 2020

The best prices found for STL to DEN flights for April
15 Apr - 18 Apr
$53pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
24 Apr - 27 Apr
$62pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
20 Apr - 27 Apr
$72pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

St Louis to Denver 2020 flight deals

Cheap flights to Denver from St Louis found for this year
4 Jun - 8 Jun
$57pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
23 May - 25 May
$68pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
1 Jun - 6 Jun
$72pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Non-stop flights to Denver from St Louis

Save time with St Louis to Denver direct flight deals
10 Apr - 17 Apr
$53pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
24 Apr - 27 Apr
$62pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
9 Apr - 17 Apr
$76pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
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
10 Apr - 13 Apr
$53pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
9 Apr - 17 Apr
$76pp
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
16 Apr - 17 Apr
$79pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
Non-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 16m
Average temperature for April in Denver
64.4 °F
Avg rainfall for April in Denver
1.9 ″

Airports servicing St. Louis

Airports servicing Denver

Weekly flight availability
from St Louis to Denver
Sunday
2 daily flights
Monday
14 daily flights
Tuesday
14 daily flights
Wednesday
14 daily flights
Thursday
14 daily flights
Friday
14 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

Are flight prices decreasing from St Louis to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from St Louis to Denver for under $100 on Cheapflights?

Cheapflights has 3 direct flights from St Louis to Denver under $100. A good price for a nonstop flight from St Louis to Denver is less than $74.

Are there last-minute flights available from St Louis to Denver for under $100?

There are currently just 3 open flights from St Louis to Denver within the next 7 days for less than $100.

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 338 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.

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 27 flights depart from Lambert-St Louis to Denver Intl per day.
Early Morning (Midnight to 6am) - 7% of flight departures
Morning (6am - Noon) - 48% of flight departures
Afternoon (Noon - 6pm) - 26% of flight departures
Evening (6pm - Midnight) - 19% 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 17 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.