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

We've found the cheapest flights to Denver

Returns from £73.43

One-way from £36.71

Flights are available to Lambert-St. Louis International from Denver International with a choice of 6 airliners, NetJets, United Express, Frontier, United Airlines, Air Canada and Southwest Airlines. The journey time flying from Lambert-St. Louis International to Denver International United States is around 2 Hours 16 Minutes. With the distance covered being 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 your trip (flights) can change at weekends and at certain times of the day (if there is a choice of flights to your chosen destination. Denver International United States flights may be normally booked months in advance and this may be the best option if you intend to get the best prices from Lambert-St. Louis International. 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.

The table below shows the amount of daily flights in operation from Lambert-St. Louis International (STL) to Denver International (DEN).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
Southwest Airlines666664605:1521:10VIEW FLIGHTS
Air Canada333444405:2016:45VIEW FLIGHTS
United Airlines333433305:2016:45VIEW FLIGHTS
Frontier111111009:3018:58VIEW FLIGHTS
United Express000011105:2005:20VIEW FLIGHTS
NetJets000010012:4512:45VIEW FLIGHTS

The most direct flights offered from Lambert-St. Louis International to Denver International United States are by Southwest Airlines with around 40 flights a week. These operate from 05:15 with the latest flight being at 21:10. The most popular flight no is WN1961, WN2457, WN2470 and WN3100.

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
05:20
AirlineFlightNo
Southwest AirlinesWN3753
06:45
AirlineFlightNo
Southwest AirlinesWN3125
08:48
AirlineFlightNo
United AirlinesUA1029
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN1961
13:00
AirlineFlightNo
Southwest AirlinesWN3256
13:43
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:45
AirlineFlightNo
United AirlinesUA1303
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN2457
18:55
AirlineFlightNo
Southwest AirlinesWN4544
18:58
AirlineFlightNo
FrontierF94567
VIEW FLIGHTS
Tuesday
05:55
AirlineFlightNo
Southwest AirlinesWN1961
08:00
AirlineFlightNo
Southwest AirlinesWN3753
08:48
AirlineFlightNo
United AirlinesUA1029
Air CanadaAC4948
09:30
AirlineFlightNo
FrontierF99426
09:45
AirlineFlightNo
Southwest AirlinesWN3125
13:00
AirlineFlightNo
Southwest AirlinesWN3887
13:43
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:45
AirlineFlightNo
United AirlinesUA1303
Air CanadaAC4897
Southwest AirlinesWN3256
17:55
AirlineFlightNo
Southwest AirlinesWN2457
VIEW FLIGHTS
Wednesday
05:55
AirlineFlightNo
Southwest AirlinesWN1961
08:00
AirlineFlightNo
Southwest AirlinesWN3753
08:48
AirlineFlightNo
United AirlinesUA1029
Air CanadaAC4948
09:45
AirlineFlightNo
Southwest AirlinesWN3125
13:00
AirlineFlightNo
Southwest AirlinesWN3887
13:43
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:45
AirlineFlightNo
United AirlinesUA1303
Air CanadaAC4897
Southwest AirlinesWN3256
17:55
AirlineFlightNo
Southwest AirlinesWN2457
18:58
AirlineFlightNo
FrontierF94567
VIEW FLIGHTS
Thursday
05:20
AirlineFlightNo
United AirlinesUA1469
Air CanadaAC4569
Southwest AirlinesWN3753
06:45
AirlineFlightNo
Southwest AirlinesWN3125
08:48
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN1961
13:00
AirlineFlightNo
Southwest AirlinesWN3256
13:41
AirlineFlightNo
United AirlinesUA2633
Air CanadaAC4886
16:07
AirlineFlightNo
FrontierF94567
16:45
AirlineFlightNo
United AirlinesUA2618
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN2457
18:55
AirlineFlightNo
Southwest AirlinesWN4544
VIEW FLIGHTS
Friday
05:20
AirlineFlightNo
Air CanadaAC4569
Southwest AirlinesWN3753
United ExpressUA5605
06:45
AirlineFlightNo
Southwest AirlinesWN3125
08:48
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:00
AirlineFlightNo
Southwest AirlinesWN1961
12:45
AirlineFlightNo
NetJetsEJA677
13:00
AirlineFlightNo
Southwest AirlinesWN3256
13:41
AirlineFlightNo
United AirlinesUA2633
Air CanadaAC4886
16:45
AirlineFlightNo
United AirlinesUA2618
Air CanadaAC4897
17:10
AirlineFlightNo
Southwest AirlinesWN2457
18:53
AirlineFlightNo
FrontierF94567
18:55
AirlineFlightNo
Southwest AirlinesWN4544
VIEW FLIGHTS
Saturday
05:35
AirlineFlightNo
Southwest AirlinesWN3753
08:48
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
10:30
AirlineFlightNo
Air CanadaAC4569
United ExpressUA5765
13:41
AirlineFlightNo
United AirlinesUA2633
Air CanadaAC4886
14:05
AirlineFlightNo
Southwest AirlinesWN3256
16:45
AirlineFlightNo
United AirlinesUA2618
Air CanadaAC4897
18:15
AirlineFlightNo
Southwest AirlinesWN2457
20:15
AirlineFlightNo
FrontierF94567
22:00
AirlineFlightNo
Southwest AirlinesWN3824
VIEW FLIGHTS
Sunday
05:15
AirlineFlightNo
Southwest AirlinesWN3753
05:20
AirlineFlightNo
Air CanadaAC4569
United ExpressUA5605
07:45
AirlineFlightNo
Southwest AirlinesWN2470
08:48
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
13:35
AirlineFlightNo
Southwest AirlinesWN3256
13:41
AirlineFlightNo
United AirlinesUA2633
Air CanadaAC4886
16:05
AirlineFlightNo
Southwest AirlinesWN3100
16:45
AirlineFlightNo
United AirlinesUA2618
Air CanadaAC4897
19:25
AirlineFlightNo
Southwest AirlinesWN4544
21:10
AirlineFlightNo
Southwest AirlinesWN4949
VIEW FLIGHTS

You may instead fly from Lambert-St. Louis International and arrive at Denver International by an alternative airport or airports. The summary of this is in the table below.

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

Remember to have some local currency before travelling to Denver International as there may not be a bureau de change open upon your arrival.

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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 £36.71 ($49 €43.11)
£36.71
$49 | €43.11
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 £73.43 ($98 €86.23)
£73.43
$98 | €86.23
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, NetJets, 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.

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