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

Looking for a cheap last-minute deal or the best round-trip flight from Denver to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from Denver International to Lambert St Louis International and booking your next trip

Cheapest Round Trip Flight

$441

WN Southwest Airlines • 1 stop • 6h 55m

Jul 01 – Jul 08

The cheapest round trip flight from Denver International to Lambert St Louis International is currently $441

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Cheapest Direct Flight

$435

WN Southwest Airlines • nonstop • 3h 25m

Jul 01

The cheapest nonstop flight from Denver International to Lambert St Louis International is currently $435

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Fastest Flight

3h 20m

The fastest nonstop flight from Denver International to Lambert St Louis International takes 3h 20m

Recent airfare deals on Denver to St Louis

Jul 01 - Jul 08, Economy
WN
Denver → St Louis
6h 55m
1:40 PM - 6:55 PM • 1 stop
WN
Denver → St Louis
3h 40m
7:15 AM - 8:35 AM • nonstop
$441
Southwest Airlines
Jul 01 - Jul 08, Economy
WN
Denver → St Louis
7h 15m
1:10 PM - 6:45 PM • 1 stop
WN
Denver → St Louis
3h 40m
5:30 AM - 6:50 AM • nonstop
$441
Southwest Airlines
Jul 01 - Jul 08, Economy
AA
Denver → St Louis
8h 55m
1:50 PM - 11:59 PM • 1 stop
F9
Denver → St Louis
10h 55m
5:40 PM - 11:11 PM • 1 stop
$651
American Airlines
Jul 01 - Jul 08, Economy
DL
Denver → St Louis
7h 26m
2:00 PM - 11:36 PM • 1 stop
F9
Denver → St Louis
10h 55m
5:40 PM - 11:11 PM • 1 stop
$664
Delta Airlines
Jul 01 - Jul 08, Economy
AA
Denver → St Louis
8h 55m
1:50 PM - 11:59 PM • 1 stop
UA
Denver → St Louis
3h 37m
1:42 PM - 2:59 PM • nonstop
$676
American Airlines
Jul 01 - Jul 08, Economy
WN
Denver → St Louis
8h 35m
1:55 PM - 8:10 PM • 1 stop
WN
Denver → St Louis
3h 40m
7:15 AM - 8:35 AM • nonstop
$697
Southwest Airlines

Facts to know while booking flights from Denver to St Louis

What are the airports in Denver?
DEN
What’s the most popular airline flying from DEN to STL?
The most popular airline flying from Denver to St Louis are
Can I fly from DEN to STL non-stop?
Yes, you can fly DEN to STL non-stop on
Which airlines fly nonstop between Denver and St Louis?
The non-stop flights between Denver and St Louis are .
What’s the earliest departure time from DEN to STL Airport?
The earliest flight leaves DEN at 1:10 pm and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Denver to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from DEN to STL?
Read the fare rules of the Denver to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Denver and St Louis?
operate flights between Denver and St Louis
How long does a flight from Denver to St Louis take?
It takes approximately 2 hour to fly non-stop from DEN to STL, which is 769.57 miles by air.
Which airlines provide the cheapest flights from Denver (DEN) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from DEN were found on ('DL') : USD 664
Do I need a passport to fly between DEN and STL?
No
What’s the latest departure time from DEN to STL ?
The last flight leaves DEN at 8:40 pm

Flights from Denver to St Louis

Origin Airport Denver International , Denver, US
Destination Airport Lambert St Louis International , St Louis, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Alaska Airlines -AS

Popular Origin & Destination

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