Good to know - Cheap tickets Saint Louis — Denver
| Cheapest flight found | $23 |
|---|---|
| Minimal flight time | 2h 20m |
| Flight distance | 1279 km |
| Most popular airline | Southwest Airlines |
Airfare Saint Louis – Denver by month
Here you can find out in what months how much a ticket Saint Louis – Denver costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| May 2026 | ||
| October 2025 | ||
| September 2025 | ||
| August 2025 | ||
| May 2025 | ||
| March 2025 | ||
| December 2024 |
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 Saint Louis — Denver
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 05:15 | 06:53 | sat | UA5979 | United Airlines | 2h 38m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 05:30 | 06:50 | thu, fri, sat, sun | WN2254 | Southwest Airlines | 2h 20m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 05:35 | 07:00 | mon, tue, wed, thu | WN1678 | Southwest Airlines | 2h 25m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 09:00 | 10:29 | daily | UA1396 | United Airlines | 2h 29m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 10:25 | 11:45 | sat | WN3664 | Southwest Airlines | 2h 20m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 10:50 | 12:10 | mon, tue, wed, thu, fri | WN2254 | Southwest Airlines | 2h 20m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 11:00 | 12:20 | mon, fri, sun | WN3664 | Southwest Airlines | 2h 20m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 13:35 | 15:05 | daily | UA2625 | United Airlines | 2h 30m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 13:40 | 15:00 | thu | WN2209 | Southwest Airlines | 2h 20m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
| 13:45 | 15:05 | mon, tue, wed, thu, fri | WN2441 | Southwest Airlines | 2h 20m | Lambert-St. Louis International Airport — Denver International Airport | Select dates |
Popular airlines flying Saint Louis — Denver
Flight Saint Louis – Denver is served by 16 airlines. 3 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Flights Saint Louis — Denver
The selection of cheap flights Saint Louis — Denver
Here you can find and purchase the cheapest flights Saint Louis — Denver from $23 and Saint Louis — Denver — Saint Louis from $47.
The price of the flight Saint Louis — Denver (United States) — Saint Louis from $47 (round-trip).
The average price of the flight Saint Louis — Denver (United States) — Saint Louis $144 (round-trip).
- Departure city: Saint Louis
- IATA code of the city of origin: STL
- Departure airports: St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport
- Departure country: United States
- Destination city: Denver
- IATA code of the destination city: DEN
- Destination airports: Centennial Airport, Buffalo Municipal Airport, Denver International Airport
- Destination country: United States
Low cost flights Saint Louis — Denver (STL — DEN)
The distance between Saint Louis and Denver 795 miles (or 1279 kilometres).
The time difference between Saint Louis and Denver is 1 h.
Minimal flight time from Saint Louis to Denver 2h 20m.
LowCostClub always do a comparison of airfares Saint Louis — Denver with several airlines (include United Airlines, Southwest Airlines, Frontier (Finn the Oceanic Whitetip Shark Livery)). They will always give you all available options so you can find the cheapest flight to Denver. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Saint Louis — Denver. 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 Denver
A flight from a neighbouring city can help you save money on plane tickets.
Most often, flights to Denver are from Cedar Rapids. The cheapest plane ticket to Denver can be bought from $23 with a departure from Kansas City, which is also the nearest city from Saint Louis.
Popular International routes from Saint Louis
Popular routes from Denver
If you are going to fly from Denver, then study the popular flights. The most popular flights from Denver:
Popular domestic routes from Saint Louis
FAQ about Saint Louis — Denver
Are there any direct flights Saint Louis — Denver?
Yes, they do: UA5979, WN2254, WN1678, UA1396, WN3664, UA2625, WN2209, WN2441, WN2573, WN2488, WN3327, WN2699, WN2853, WN2991, UA2411, UA696, WN454, WN802, F94567, WN320
Can we fly from Saint Louis to Denver?
Yes, you can fly from Saint Louis to Denver. Saint Louis has 3 airports (St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport) for flights. United Airlines, Southwest Airlines, Frontier (Finn the Oceanic Whitetip Shark Livery) depart from Saint Louis on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada, Alaska Airlines (Tiana’s Bayou Adventure Livery), AlphaSky, Alpine Air Express, American Airlines, Contour Aviation, Delta Air Lines, FedEx, Japan Airlines, Jet Linx Aviation, Lufthansa, NetJets, Phoenix Air, SkyWest Airlines, Sun Country Airlines, UPS.
How long does it take to fly from Saint Louis to Denver?
A direct flight lasts an average of 2h 20m, during which time the aircraft covers a distance of 1279 km.
How much do flights Saint Louis — Denver cost?
The price of flights Saint Louis — Denver starts from $23.
What days does the plane fly Saint Louis — Denver?
Planes fly Saint Louis — Denver 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Saint Louis and Denver?
In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport. In Denver — Centennial Airport, Buffalo Municipal Airport, Denver International Airport.
What flights are currently flying from Saint Louis to Denver?
The following flights fly between Saint Louis and Denver: UA5979, WN2254, WN1678, UA1396, WN3664, WN2254, WN3664, UA2625, WN2209, WN2441, WN2573, WN2488, WN3327, WN2699, WN2488, WN2853, WN2991, UA2411, UA696, WN454, WN2991, WN802, F94567, WN320
What month is the cheapest to fly from Saint Louis to Denver?
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 Saint Louis — Denver flight deals.
Which airlines direct fly from Saint Louis to Denver?
The following airlines have direct flights Saint Louis — Denver: United Airlines, Southwest Airlines, Frontier (Finn the Oceanic Whitetip Shark Livery).
Which airlines fly from Saint Louis to Denver?
All the following airlines flights Saint Louis — Denver: Air Canada, Alaska Airlines (Tiana’s Bayou Adventure Livery), AlphaSky, Alpine Air Express, American Airlines, Contour Aviation, Delta Air Lines, FedEx, Frontier (Finn the Oceanic Whitetip Shark Livery), Japan Airlines, Jet Linx Aviation, Lufthansa, NetJets, Phoenix Air, SkyWest Airlines, Southwest Airlines, Sun Country Airlines, United Airlines, UPS.