St Louis Airport (STL) Flights to Denver Airport Airport (DEN)

We've found the cheapest flights to Denver

Returns from £46.11

One-way from £25.29

Flights are offered by 5 airline companies if you are flying to Denver International to Lambert-St. Louis International. The flight time from Lambert-St. Louis International to Denver International is around 2 Hours 16 Minutes and you will cover 1,235 Km (768 Miles). The airport code for Lambert-St. Louis International is STL and for Denver International it is DEN.

The cost of ticket prices to Denver International United States can vary quite considerably if you travel at certain times of the week especially at weekends. If you are looking to get the cheapest flights possible then we recommend you travel mid week or in the late evening. On occasions, airliners may have special offers so look out for these. We recommend booking your flights to Denver International United States in advance as prices normally increase the nearer the departure date.

Please note that the time difference at Denver International is 7.0 GMT. So remember to change your watch before arriving at Denver International.

Please see below the airlines that fly from Lambert-St. Louis International (STL) to Denver International (DEN) and the amount of daily flights in operation.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Southwest Airlines655775105:2021:55VIEW FLIGHTS
United Airlines223342104:1518:05VIEW FLIGHTS
Air Canada223343005:1518:05VIEW FLIGHTS
Frontier101011013:5420:12VIEW FLIGHTS
United Express000011005:1505:15VIEW FLIGHTS

The most direct flights offered from Lambert-St. Louis International to Denver International United States are by Southwest Airlines with around 36 flights a week. These operate from 05:20 with the latest flight being at 21:55. The most popular flight no is WN1452, WN1890, WN1949 and WN2140.

When travelling with Southwest Airlines it would be worth visiting their website www.southwest.com/?ref=southwestairlines.com for further information on bookings and special offers.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
05:40
AirlineFlightNo
Southwest AirlinesWN2185
07:10
AirlineFlightNo
Southwest AirlinesWN1452
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
12:30
AirlineFlightNo
Southwest AirlinesWN1949
13:54
AirlineFlightNo
FrontierF93301
15:00
AirlineFlightNo
Southwest AirlinesWN3766
16:30
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
18:35
AirlineFlightNo
Southwest AirlinesWN4838
21:00
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Tuesday
06:20
AirlineFlightNo
Southwest AirlinesWN2143
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:35
AirlineFlightNo
Southwest AirlinesWN2140
12:25
AirlineFlightNo
Southwest AirlinesWN3766
14:35
AirlineFlightNo
Southwest AirlinesWN4616
16:30
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
19:55
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Wednesday
06:20
AirlineFlightNo
Southwest AirlinesWN2143
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:35
AirlineFlightNo
Southwest AirlinesWN2140
12:25
AirlineFlightNo
Southwest AirlinesWN3766
14:35
AirlineFlightNo
Southwest AirlinesWN4616
14:45
AirlineFlightNo
United AirlinesUA1380
Air CanadaAC4886
17:18
AirlineFlightNo
FrontierF94567
17:59
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
19:55
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Thursday
06:15
AirlineFlightNo
Southwest AirlinesWN3852
08:20
AirlineFlightNo
Southwest AirlinesWN1890
09:00
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
12:10
AirlineFlightNo
Southwest AirlinesWN3314
14:30
AirlineFlightNo
Southwest AirlinesWN2483
14:50
AirlineFlightNo
United AirlinesUA333
Air CanadaAC4886
17:20
AirlineFlightNo
Southwest AirlinesWN2976
18:02
AirlineFlightNo
United AirlinesUA725
Air CanadaAC4897
18:40
AirlineFlightNo
Southwest AirlinesWN2739
21:55
AirlineFlightNo
Southwest AirlinesWN2423
VIEW FLIGHTS
Friday
05:15
AirlineFlightNo
Air CanadaAC4569
United ExpressUA5620
06:15
AirlineFlightNo
Southwest AirlinesWN3852
08:20
AirlineFlightNo
Southwest AirlinesWN1890
09:00
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
11:15
AirlineFlightNo
United AirlinesUA3918
12:10
AirlineFlightNo
Southwest AirlinesWN3314
14:30
AirlineFlightNo
Southwest AirlinesWN2483
14:50
AirlineFlightNo
United AirlinesUA333
Air CanadaAC4886
17:20
AirlineFlightNo
Southwest AirlinesWN2976
18:05
AirlineFlightNo
United AirlinesUA725
Air CanadaAC4897
18:40
AirlineFlightNo
Southwest AirlinesWN2739
20:12
AirlineFlightNo
FrontierF94567
21:55
AirlineFlightNo
Southwest AirlinesWN2423
VIEW FLIGHTS
Saturday
05:15
AirlineFlightNo
Air CanadaAC4569
United ExpressUA5620
06:00
AirlineFlightNo
Southwest AirlinesWN3852
08:25
AirlineFlightNo
Southwest AirlinesWN2976
09:00
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
14:05
AirlineFlightNo
Southwest AirlinesWN2483
14:50
AirlineFlightNo
United AirlinesUA333
Air CanadaAC4886
18:30
AirlineFlightNo
Southwest AirlinesWN2739
20:12
AirlineFlightNo
FrontierF94567
21:35
AirlineFlightNo
Southwest AirlinesWN2423
VIEW FLIGHTS
Sunday
04:15
AirlineFlightNo
United AirlinesUA5620
05:20
AirlineFlightNo
Southwest AirlinesWN3852
VIEW FLIGHTS

Alternatively, there are other routes that depart Lambert-St. Louis International and arrive at Denver International or other nearby airports. The table below gives you a summary of these.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Columbia Regional to Denver 01,076 km (669 miles)2 Hours 5 Minutes
Peoria to Denver 01,273 km (791 miles)2 Hours 18 Minutes

Don’t forget that flight regulations are getting tight so we recommend you leave plenty of time to get through customs at Lambert-St. Louis International.

Planning a trip? Save money on car hire by booking in advance

Search for the best vehicle rental at Denver Airport

Flight Price FAQ - St Louis (STL) to Denver (DEN)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from St Louis STL to Denver DEN?
The cheapest direct flight one way from St Louis STL to Denver DEN is £25.29 ($34 €29.21)
£25.29
$34 | €29.21
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from St Louis STL to Denver DEN?
The cheapest direct return flight from St Louis STL to Denver DEN is £46.11 ($62 €53.27)
£46.11
$62 | €53.27
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from STL to DEN

Was your flight delayed or cancelled?

Was your flight delayed or cancelled?

You may be eligible to receive up to 600 EUR compensation per person in your party.

Claim Now!

Flight Info FAQ - St Louis (STL) to Denver (DEN)

Who flies from St Louis to Denver?
The following airlines fly from St Louis (STL) to Denver (DEN): Air Canada, Frontier, Southwest Airlines, United Airlines, United Express.
How far is the flight from St Louis to Denver?
The flight from St Louis to Denver is 1,235KM or 768 miles.
How long does the flight from St Louis to Denver to take?
The flight from St Louis to Denver takes 2 Hours 16 Minutes.

Other Airports Connecting To Denver Airport in united states

Planning a trip? Save money on car rental by booking in advance

Search for the best vehicle rental at DEN

Useful Information about Denver Airport

Denver Airport Lounges

See all the airport lounges, locations and opening times available at Denver Airport

View...
Dining and Bars at Denver Airport

See all bars and restaurants at Denver Airport, including locations and if they are before or after check-in

View...
Shops and Duty Free at Denver Airport

See all shops available at Denver Airport - plan your duty free shopping in advance

View...
Denver Tourist Attractions

Things to do and see in and around Denver International Airport in Colorado and beyond...

View...