Cheap flights Denver — Saint Louis (DEN — STL)

Good to know - Cheap tickets Denver — Saint Louis

Cheapest flight found $23
Minimal flight time 1h 41m
Flight distance 1279 km
Most popular airline Southwest Airlines

Airfare Denver – Saint Louis by month

Here you can find out in what months how much a ticket Denver – Saint Louis costs to buy cheap plane tickets.

Month One-way Round-trip
December 2025
October 2025
September 2025
April 2025
January 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Denver — Saint Louis

Departure Arrival Flight days Flight Airlines Flight time Airports
05:10 08:15 mon WN282 Southwest Airlines 2h 5m Denver International Airport — Lambert-St. Louis International Airport Select dates
05:25 08:35 sun WN2859 Southwest Airlines 2h 10m Denver International Airport — Lambert-St. Louis International Airport Select dates
06:10 09:20 tue, thu WN585 Southwest Airlines 2h 10m Denver International Airport — Lambert-St. Louis International Airport Select dates
06:45 09:45 sat WN2744 Southwest Airlines 2h 0m Denver International Airport — Lambert-St. Louis International Airport Select dates
06:50 10:02 mon, wed, fri, sat F93302 Frontier (Bori the Coquí Llanero Livery) 2h 12m Denver International Airport — Lambert-St. Louis International Airport Select dates
07:05 10:14 wed, fri, sat F93302 Frontier (Bori the Coquí Llanero Livery) 2h 9m Denver International Airport — Lambert-St. Louis International Airport Select dates
07:10 10:10 mon, thu, fri WN2744 Southwest Airlines 2h 0m Denver International Airport — Lambert-St. Louis International Airport Select dates
07:45 10:50 sun WN4100 Southwest Airlines 2h 5m Denver International Airport — Lambert-St. Louis International Airport Select dates
08:15 11:20 mon, tue, wed, thu, fri WN2685 Southwest Airlines 2h 5m Denver International Airport — Lambert-St. Louis International Airport Select dates
09:10 12:10 thu, fri, sun WN2675 Southwest Airlines 2h 0m Denver International Airport — Lambert-St. Louis International Airport Select dates
All routes

Flights Denver — Saint Louis

The selection of cheap flights Denver — Saint Louis

Here you can find and purchase the cheapest flights Denver — Saint Louis from $23 and Denver — Saint Louis — Denver from $47.

The price of the flight Denver — Saint Louis (United States) — Denver from $47 (round-trip).

The average price of the flight Denver — Saint Louis (United States) — Denver $140 (round-trip).

Low cost flights Denver — Saint Louis (DEN — STL)

The distance between Denver and Saint Louis 795 miles (or 1279 kilometres).

The time difference between Denver and Saint Louis is 1 h.

Minimal flight time from Denver to Saint Louis 1h 41m.

LowCostClub always do a comparison of airfares Denver — Saint Louis with several airlines (include Southwest Airlines, Frontier (Bori the Coquí Llanero Livery), United Express). They will always give you all available options so you can find the cheapest flight to Saint Louis. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Denver — Saint Louis. Last week, for instance, the cheapest round-trip prices stood at $47 while the cheapest one-way price that was available within the last week cost $23

Routes from nearby cities to Saint Louis

A flight from a neighbouring city can help you save money on plane tickets.

Most often, departures to Saint Louis are from Colorado Springs, this is the cheapest flight from $155. The nearest airports from Denver with a flight to Saint Louis are located in Scottsbluff.

Popular International routes from Denver

Popular routes from Saint Louis

If you are going to fly from Saint Louis, then study the popular flights. The most popular flights from Saint Louis:

Popular domestic routes from Denver

FAQ about Denver — Saint Louis

Yes, they do: WN282, WN2859, WN585, WN2744, F93302, WN4100, WN2685, WN2675, UA652, WN2679, WN4812, UA1315, WN1037, DL8840, WN3053, WN1665, WN866, UA2470, WN2521, WN2684, UA1422, WN147, UA529, WN2309

Yes, you can fly from Denver to Saint Louis. Denver has 3 airports (Centennial Airport, Buffalo Municipal Airport, Denver International Airport) for flights. Southwest Airlines, Frontier (Bori the Coquí Llanero Livery), United Express, Delta Air Lines depart from Denver on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada, Alaska Airlines, AlphaSky, Alpine Air Express, American Airlines, Contour Aviation, FedEx, Japan Airlines, Jet Linx Aviation, Lufthansa, NetJets, Phoenix Air, SkyWest Airlines, Sun Country Airlines, UPS.

A direct flight lasts an average of 1h 41m, during which time the aircraft covers a distance of 1279 km.

The price of flights Denver — Saint Louis starts from $23.

Planes fly Denver — Saint Louis 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Denver — Centennial Airport, Buffalo Municipal Airport, Denver International Airport. In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport.

The following flights fly between Denver and Saint Louis: WN282, WN2859, WN585, WN2744, F93302, F93302, WN2744, WN4100, WN2685, WN2675, WN4100, WN4100, UA652, UA652, WN4100, WN2675, WN2675, WN2744, WN2679, WN4812, UA1315, UA1315, UA1315, WN1037, WN2744, DL8840, F93302, WN3053, WN1665, WN3053, WN866, WN1665, UA2470, WN2521, WN2684, UA1422, WN2684, WN4100, WN2521, UA2470, WN147, WN2685, UA529, WN2309, WN1665, WN2309

High season is considered to be and the cheapest month is . Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Denver — Saint Louis flight deals.

The following airlines have direct flights Denver — Saint Louis: Southwest Airlines, Frontier (Bori the Coquí Llanero Livery), United Express, Delta Air Lines.

All the following airlines flights Denver — Saint Louis: Air Canada, Alaska Airlines, AlphaSky, Alpine Air Express, American Airlines, Contour Aviation, Delta Air Lines, FedEx, Frontier (Bori the Coquí Llanero Livery), Japan Airlines, Jet Linx Aviation, Lufthansa, NetJets, Phoenix Air, SkyWest Airlines, Southwest Airlines, Sun Country Airlines, United Express, UPS.

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