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

We've found the cheapest flights to Denver

Returns from £41.57

One-way from £20.04

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 Airlines015775505:3522:15VIEW FLIGHTS
United Airlines003332308:4117:59VIEW FLIGHTS
Air Canada003332308:4117:59VIEW FLIGHTS
Frontier001011013:5915:28VIEW FLIGHTS

The most direct flights offered from Lambert-St. Louis International to Denver International United States are by Southwest Airlines with around 30 flights a week. These operate from 05:35 with the latest flight being at 22:15. The most popular flight no is WN1452, WN1949, WN2140 and WN2143.

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
Tuesday
21:20
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Wednesday
06:20
AirlineFlightNo
Southwest AirlinesWN2143
08:45
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:35
AirlineFlightNo
Southwest AirlinesWN2140
12:25
AirlineFlightNo
Southwest AirlinesWN3766
14:35
AirlineFlightNo
Southwest AirlinesWN4616
14:45
AirlineFlightNo
United AirlinesUA1229
Air CanadaAC4886
15:28
AirlineFlightNo
FrontierF94567
17:59
AirlineFlightNo
United AirlinesUA551
Air CanadaAC4897
19:55
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Thursday
05:35
AirlineFlightNo
Southwest AirlinesWN2143
07:20
AirlineFlightNo
Southwest AirlinesWN1452
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:10
AirlineFlightNo
Southwest AirlinesWN2140
14:05
AirlineFlightNo
Southwest AirlinesWN3766
14:45
AirlineFlightNo
United AirlinesUA1380
Air CanadaAC4886
16:35
AirlineFlightNo
Southwest AirlinesWN4616
17:59
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
18:50
AirlineFlightNo
Southwest AirlinesWN4838
22:15
AirlineFlightNo
Southwest AirlinesWN4122
VIEW FLIGHTS
Friday
05:35
AirlineFlightNo
Southwest AirlinesWN2143
07:20
AirlineFlightNo
Southwest AirlinesWN1452
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:10
AirlineFlightNo
Southwest AirlinesWN2140
13:59
AirlineFlightNo
FrontierF93301
14:05
AirlineFlightNo
Southwest AirlinesWN3766
14:45
AirlineFlightNo
United AirlinesUA1380
Air CanadaAC4886
16:35
AirlineFlightNo
Southwest AirlinesWN4616
17:59
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
18:50
AirlineFlightNo
Southwest AirlinesWN4838
22:15
AirlineFlightNo
Southwest AirlinesWN4122
VIEW FLIGHTS
Saturday
05:45
AirlineFlightNo
Southwest AirlinesWN2143
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:15
AirlineFlightNo
Southwest AirlinesWN1452
14:35
AirlineFlightNo
Southwest AirlinesWN3766
14:51
AirlineFlightNo
FrontierF93301
16:30
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
18:35
AirlineFlightNo
Southwest AirlinesWN4838
20:55
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Sunday
07:10
AirlineFlightNo
Southwest AirlinesWN1452
08:41
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
12:30
AirlineFlightNo
Southwest AirlinesWN1949
14:45
AirlineFlightNo
United AirlinesUA1380
Air CanadaAC4886
15:00
AirlineFlightNo
Southwest AirlinesWN3766
17:59
AirlineFlightNo
United AirlinesUA1236
Air CanadaAC4897
18:35
AirlineFlightNo
Southwest AirlinesWN4838
21:00
AirlineFlightNo
Southwest AirlinesWN3769
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
St Louis Spirit Of St Louis to Denver 01,213 km (754 miles)2 Hours 14 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.

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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 £20.04 ($27 €22.95)
£20.04
$27 | €22.95
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 £41.57 ($56 €47.59)
£41.57
$56 | €47.59
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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