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

We've found the cheapest flights to Denver

Returns from £47.50

One-way from £23.75

Flights are offered by 4 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 Airlines655554506:3520:35VIEW FLIGHTS
United Airlines333333308:2716:43VIEW FLIGHTS
Air Canada333333308:2716:43VIEW FLIGHTS
Frontier101011018:4618:49VIEW FLIGHTS

The most direct flights offered from Lambert-St. Louis International to Denver International United States are by Southwest Airlines with around 35 flights a week. These operate from 06:35 with the latest flight being at 20:35. The most popular flight no is WN1045, WN1663, WN1908 and WN2596.

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
06:35
AirlineFlightNo
Southwest AirlinesWN2596
08:35
AirlineFlightNo
United AirlinesUA578
Air CanadaAC4948
10:30
AirlineFlightNo
Southwest AirlinesWN1045
13:00
AirlineFlightNo
Southwest AirlinesWN3433
13:44
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
14:40
AirlineFlightNo
Southwest AirlinesWN3915
16:43
AirlineFlightNo
United AirlinesUA2618
Air CanadaAC4897
16:45
AirlineFlightNo
Southwest AirlinesWN3582
18:49
AirlineFlightNo
FrontierF94567
20:20
AirlineFlightNo
Southwest AirlinesWN1663
VIEW FLIGHTS
Tuesday
07:20
AirlineFlightNo
Southwest AirlinesWN2596
08:27
AirlineFlightNo
United AirlinesUA703
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN739
13:40
AirlineFlightNo
Southwest AirlinesWN3433
13:45
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:36
AirlineFlightNo
United AirlinesUA1910
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN3582
20:35
AirlineFlightNo
Southwest AirlinesWN1663
VIEW FLIGHTS
Wednesday
07:20
AirlineFlightNo
Southwest AirlinesWN2596
08:27
AirlineFlightNo
United AirlinesUA703
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN739
13:40
AirlineFlightNo
Southwest AirlinesWN3433
13:45
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:36
AirlineFlightNo
United AirlinesUA1910
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN3582
18:46
AirlineFlightNo
FrontierF94567
20:35
AirlineFlightNo
Southwest AirlinesWN1663
VIEW FLIGHTS
Thursday
07:20
AirlineFlightNo
Southwest AirlinesWN2596
08:27
AirlineFlightNo
United AirlinesUA703
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN739
13:40
AirlineFlightNo
Southwest AirlinesWN3433
13:45
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:36
AirlineFlightNo
United AirlinesUA1910
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN3582
20:35
AirlineFlightNo
Southwest AirlinesWN1663
VIEW FLIGHTS
Friday
07:20
AirlineFlightNo
Southwest AirlinesWN2596
08:27
AirlineFlightNo
United AirlinesUA703
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN739
13:40
AirlineFlightNo
Southwest AirlinesWN3433
13:45
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:36
AirlineFlightNo
United AirlinesUA1910
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN3582
18:49
AirlineFlightNo
FrontierF94567
20:35
AirlineFlightNo
Southwest AirlinesWN1663
VIEW FLIGHTS
Saturday
06:25
AirlineFlightNo
Southwest AirlinesWN2596
08:27
AirlineFlightNo
United AirlinesUA703
Air CanadaAC4948
09:10
AirlineFlightNo
Southwest AirlinesWN3582
12:25
AirlineFlightNo
Southwest AirlinesWN739
13:45
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:36
AirlineFlightNo
United AirlinesUA1910
Air CanadaAC4897
16:50
AirlineFlightNo
Southwest AirlinesWN3529
18:46
AirlineFlightNo
FrontierF94567
VIEW FLIGHTS
Sunday
06:35
AirlineFlightNo
Southwest AirlinesWN2596
08:27
AirlineFlightNo
United AirlinesUA703
Air CanadaAC4948
08:50
AirlineFlightNo
Southwest AirlinesWN1908
11:05
AirlineFlightNo
Southwest AirlinesWN739
13:45
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
15:40
AirlineFlightNo
Southwest AirlinesWN3582
16:36
AirlineFlightNo
United AirlinesUA1910
Air CanadaAC4897
20:15
AirlineFlightNo
Southwest AirlinesWN1663
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
Peoria to Denver01,273 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

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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 £23.75 ($29 €28.18)
£23.75
$29 | €28.18
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 £47.50 ($58 €56.36)
£47.50
$58 | €56.36
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

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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.
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

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