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

We've found the cheapest flights to Denver

Returns from £43.03

One-way from £19.13

Flights are available to Lambert-St. Louis International from Denver International with a choice of 5 airliners, Volaris, 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 Airlines977885800:0523:00VIEW FLIGHTS
United Airlines333333310:1218:16VIEW FLIGHTS
Air Canada333333310:1218:16VIEW FLIGHTS
Frontier111111113:0721:35VIEW FLIGHTS
Volaris010100013:0718:20VIEW FLIGHTS

The most direct flights offered from Lambert-St. Louis International to Denver International United States are by Southwest Airlines with around 52 flights a week. These operate from 00:05 with the latest flight being at 23:00. The most popular flight no is WN1509, WN1871, WN2094 and WN2153.

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
00:05
AirlineFlightNo
Southwest AirlinesWN1509
06:55
AirlineFlightNo
Southwest AirlinesWN652
08:20
AirlineFlightNo
Southwest AirlinesWN463
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
11:30
AirlineFlightNo
Southwest AirlinesWN1871
14:30
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
15:20
AirlineFlightNo
Southwest AirlinesWN4934
17:05
AirlineFlightNo
Southwest AirlinesWN654
18:16
AirlineFlightNo
United AirlinesUA498
Air CanadaAC4897
20:40
AirlineFlightNo
Southwest AirlinesWN2153
21:35
AirlineFlightNo
FrontierF97
23:00
AirlineFlightNo
Southwest AirlinesWN655
VIEW FLIGHTS
Tuesday
07:05
AirlineFlightNo
Southwest AirlinesWN652
08:45
AirlineFlightNo
Southwest AirlinesWN463
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
11:55
AirlineFlightNo
Southwest AirlinesWN1871
14:45
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:25
AirlineFlightNo
Southwest AirlinesWN654
18:16
AirlineFlightNo
United AirlinesUA498
Air CanadaAC4897
18:20
AirlineFlightNo
VolarisY42086
FrontierF93301
20:00
AirlineFlightNo
Southwest AirlinesWN2153
22:50
AirlineFlightNo
Southwest AirlinesWN655
VIEW FLIGHTS
Wednesday
07:05
AirlineFlightNo
Southwest AirlinesWN652
08:45
AirlineFlightNo
Southwest AirlinesWN463
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
11:55
AirlineFlightNo
Southwest AirlinesWN1871
14:45
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
16:25
AirlineFlightNo
Southwest AirlinesWN654
18:16
AirlineFlightNo
United AirlinesUA498
Air CanadaAC4897
20:00
AirlineFlightNo
Southwest AirlinesWN2153
21:35
AirlineFlightNo
FrontierF97
22:50
AirlineFlightNo
Southwest AirlinesWN655
VIEW FLIGHTS
Thursday
06:55
AirlineFlightNo
Southwest AirlinesWN652
08:20
AirlineFlightNo
Southwest AirlinesWN463
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
11:30
AirlineFlightNo
Southwest AirlinesWN1871
13:07
AirlineFlightNo
VolarisY42086
FrontierF93301
14:30
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
15:20
AirlineFlightNo
Southwest AirlinesWN4934
17:05
AirlineFlightNo
Southwest AirlinesWN654
18:16
AirlineFlightNo
United AirlinesUA498
Air CanadaAC4897
20:40
AirlineFlightNo
Southwest AirlinesWN2153
23:00
AirlineFlightNo
Southwest AirlinesWN655
VIEW FLIGHTS
Friday
06:55
AirlineFlightNo
Southwest AirlinesWN652
08:20
AirlineFlightNo
Southwest AirlinesWN463
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
11:30
AirlineFlightNo
Southwest AirlinesWN1871
14:30
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
15:20
AirlineFlightNo
Southwest AirlinesWN4934
17:05
AirlineFlightNo
Southwest AirlinesWN654
18:16
AirlineFlightNo
United AirlinesUA498
Air CanadaAC4897
19:03
AirlineFlightNo
FrontierF97
20:40
AirlineFlightNo
Southwest AirlinesWN2153
23:00
AirlineFlightNo
Southwest AirlinesWN655
VIEW FLIGHTS
Saturday
07:30
AirlineFlightNo
Southwest AirlinesWN652
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
10:45
AirlineFlightNo
Southwest AirlinesWN1792
12:20
AirlineFlightNo
Southwest AirlinesWN1871
14:50
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
Air CanadaAC4886
18:16
AirlineFlightNo
United AirlinesUA498
Air CanadaAC4897
18:45
AirlineFlightNo
Southwest AirlinesWN654
21:35
AirlineFlightNo
FrontierF97
VIEW FLIGHTS
Sunday
07:20
AirlineFlightNo
Southwest AirlinesWN652
09:40
AirlineFlightNo
Southwest AirlinesWN463
10:12
AirlineFlightNo
United AirlinesUA1923
Air CanadaAC4948
11:25
AirlineFlightNo
Southwest AirlinesWN1871
13:37
AirlineFlightNo
Air CanadaAC4886
14:10
AirlineFlightNo
Southwest AirlinesWN653
14:59
AirlineFlightNo
United AirlinesUA2625
16:49
AirlineFlightNo
Air CanadaAC4897
17:02
AirlineFlightNo
FrontierF93301
17:15
AirlineFlightNo
Southwest AirlinesWN654
18:16
AirlineFlightNo
United AirlinesUA498
20:40
AirlineFlightNo
Southwest AirlinesWN2153
22:00
AirlineFlightNo
Southwest AirlinesWN2094
22:45
AirlineFlightNo
Southwest AirlinesWN1509
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
Bloomington Central Illinois Regional at Bloomington Normal to Denver 01,339 km (832 miles)2 Hours 23 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.

Planning a Holiday or Business Trip?

Find the cheapest rental car in Denver

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 £19.13 ($24 €22.28)
£19.13
$24 | €22.28
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 £43.03 ($54 €50.13)
£43.03
$54 | €50.13
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, Volaris.
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

Looking for the best hire car deals?

Search for cheap car rental deals at DEN

Useful Information about Denver Airport

New Q1 Passenger Number Record Set at Denver Airport – Up 19% Year on Year

Denver Airport achieved a new record in passenger numbers during the first quarter. There was a notable increase of 19% compared to the same period last year. Compared to the pre-pandemic figures of the first quarter, the numbers surpassed them by an impressive 15%.

View...
Lounges at Denver Airport

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

View...
Eating and Drinking at Denver Airport

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

View...
Duty Free Shopping at Denver Airport

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

View...