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

We've found the cheapest flights to Denver

Returns from £43.22

One-way from £21.61

Flights are available to Lambert-St. Louis International from Denver International with a choice of 4 airliners, 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 Airlines555500006:2021:00VIEW FLIGHTS
United Airlines223300008:4517:59VIEW FLIGHTS
Air Canada223300008:4517:59VIEW FLIGHTS
Frontier101000015:4319:43VIEW FLIGHTS

The most direct flights offered from Lambert-St. Louis International to Denver International United States are by Southwest Airlines with around 20 flights a week. These operate from 06:20 with the latest flight being at 21:00. 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
Monday
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
16:15
AirlineFlightNo
United AirlinesUA1229
Air CanadaAC4897
19:43
AirlineFlightNo
FrontierF94567
19:55
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Tuesday
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
16:15
AirlineFlightNo
United AirlinesUA1229
Air CanadaAC4897
19:55
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
15:43
AirlineFlightNo
FrontierF93301
17:59
AirlineFlightNo
United AirlinesUA551
Air CanadaAC4897
19:55
AirlineFlightNo
Southwest AirlinesWN3769
VIEW FLIGHTS
Thursday
07:10
AirlineFlightNo
Southwest AirlinesWN1452
08:45
AirlineFlightNo
United AirlinesUA1396
Air CanadaAC4948
12:30
AirlineFlightNo
Southwest AirlinesWN1949
14:45
AirlineFlightNo
United AirlinesUA1229
Air CanadaAC4886
15:00
AirlineFlightNo
Southwest AirlinesWN3766
17:59
AirlineFlightNo
United AirlinesUA551
Air CanadaAC4897
18:35
AirlineFlightNo
Southwest AirlinesWN4838
21:00
AirlineFlightNo
Southwest AirlinesWN3769
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
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

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 £21.61 ($29 €24.78)
£21.61
$29 | €24.78
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 £43.22 ($58 €49.56)
£43.22
$58 | €49.56
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.

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