Good to know - Cheap tickets Denver — Saint Louis
| Minimal flight time | 1h 58m |
|---|---|
| Flight distance | 1279 km |
| Most popular airline | Southwest Airlines |
| Round-trip from | $71 |
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 |
|---|---|---|
| June 2026 | ||
| April 2026 | ||
| March 2026 | ||
| February 2026 | ||
| December 2025 | ||
| October 2025 | ||
| September 2025 | ||
| April 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 | |
|---|---|---|---|---|---|---|---|
| 05:30 | 08:28 | wed | UA3915 | United Express | 1h 58m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 05:30 | 08:35 | wed | UA3915 | United Express | 2h 5m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 06:00 | 09:10 | tue, wed | WN1965 | Southwest Airlines | 2h 10m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 06:05 | 09:15 | sun | WN1965 | Southwest Airlines | 2h 10m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 06:10 | 09:20 | sat | WN1965 | Southwest Airlines | 2h 10m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 06:25 | 09:35 | mon, thu, fri | WN1965 | Southwest Airlines | 2h 10m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 06:35 | 09:49 | mon, wed, fri, sat | F93302 | Frontier (Penny the Owl Livery) | 2h 14m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 07:20 | 10:20 | tue, wed | WN2378 | Southwest Airlines | 2h 0m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 07:40 | 10:45 | mon, thu, fri | WN2378 | Southwest Airlines | 2h 5m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
| 07:45 | 10:50 | sun | WN2378 | Southwest Airlines | 2h 5m | Denver International Airport — Lambert-St. Louis International Airport | Select dates |
Popular airlines flying Denver — Saint Louis
Flight Denver – Saint Louis is served by 15 airlines. 3 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Dynamics airfare Denver — Saint Louis by month for the last year
according to LowCost.Club for the last year
The airfare depends on the departure date. Our chart shows the low season prices on route Denver — Saint Louis
The graph shows that booking flights Denver — Saint Louis is best planned for December and flights Denver — Saint Louis — Denver in the month of February.
Flights Denver — Saint Louis
The selection of cheap flights Denver — Saint Louis
The price of the flight Denver — Saint Louis (United States) — Denver from $71 (round-trip).
The average price of the flight Denver — Saint Louis (United States) — Denver $264 (round-trip).
- Departure city: Denver
- IATA code of the city of origin: DEN
- Departure airports: Centennial Airport, Buffalo Municipal Airport, Denver International Airport
- Departure country: United States
- Destination city: Saint Louis
- IATA code of the destination city: STL
- Destination airports: St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport
- Destination country: United States
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 58m.
Routes from nearby cities to Saint Louis
A flight from a neighbouring city can help you save money on plane tickets.
The closest airports to Denver with a flight to Saint Louis are in Colorado Springs.
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
Are there any direct flights Denver — Saint Louis?
Yes, they do: UA3915, WN1965, F93302, WN2378, UA652, WN3159, WN1076, WN424, UA1315, WN2981, WN8825, WN2813, WN1657, UA1422, WN670, UA4748, WN2776, WN2816, WN4727
Can we fly from Denver to Saint Louis?
Yes, you can fly from Denver to Saint Louis. Denver has 3 airports (Centennial Airport, Buffalo Municipal Airport, Denver International Airport) for flights. United Express, Southwest Airlines, Frontier (Penny the Owl Livery) depart from Denver on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada, Alaska Airlines, Allegiant Air, Alpine Air Express, American Eagle, Contour Aviation, Delta Connection, FedEx, Jet Linx Aviation, Lufthansa, NetJets, SkyWest Airlines, Sun Country Airlines, UPS, WestAir Charter.
How long does it take to fly from Denver to Saint Louis?
A direct flight lasts an average of 1h 58m, during which time the aircraft covers a distance of 1279 km.
How much do flights Denver — Saint Louis cost?
The price of flights Denver — Saint Louis starts from $71.
What days does the plane fly Denver — Saint Louis?
Planes fly Denver — Saint Louis 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Denver and Saint Louis?
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.
What flights are currently flying from Denver to Saint Louis?
The following flights fly between Denver and Saint Louis: UA3915, UA3915, WN1965, WN1965, WN1965, WN1965, F93302, WN2378, WN2378, WN2378, UA652, WN3159, WN3159, WN1076, WN424, WN424, WN424, UA1315, UA1315, UA1315, WN2981, WN2981, WN8825, WN2813, WN2813, WN2813, WN2813, WN1657, UA1422, UA1422, UA1422, WN670, WN670, WN670, WN670, UA4748, WN2776, WN2816, WN2816, WN4727
What month is the cheapest to fly from Denver to Saint Louis?
High season is considered to be February and the cheapest month is December. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Denver — Saint Louis flight deals.
Which airlines direct fly from Denver to Saint Louis?
The following airlines have direct flights Denver — Saint Louis: United Express, Southwest Airlines, Frontier (Penny the Owl Livery).
Which airlines fly from Denver to Saint Louis?
All the following airlines flights Denver — Saint Louis: Air Canada, Alaska Airlines, Allegiant Air, Alpine Air Express, American Eagle, Contour Aviation, Delta Connection, FedEx, Frontier (Penny the Owl Livery), Jet Linx Aviation, Lufthansa, NetJets, SkyWest Airlines, Southwest Airlines, Sun Country Airlines, United Express, UPS, WestAir Charter.