STL - DEN Price | $127 - $218 |
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DEN Temperature | 30.2 - 73.4 °F |
DEN Rainfall | 0.5 - 2.3 inches |
Popular in | December | High demand for flights, 26% potential price rise |
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Cheapest in | September | Best time to find cheap flights, 21% potential price drop |
Average price | $159 | Average for round-trip flights in May 2022 |
Round-trip from | $127 | From Lambert-St Louis to Denver Intl |
Saturday flights are generally found to be more expensive for flights from St. Louis to Denver. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Denver.
Find a great deal and save up to 14% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Denver within the next two weeks, with the cheapest ticket starting at $142.
September can be a great time to fly to Denver from St. Louis with a flight ticket averaging about $160. Cheapflights users have found deals in the month of September for as cheap as $82. The most expensive prices can be found in the month of December.
It’s optimal to fly from St. Louis to Denver in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight at noon.
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You will need to book a flight from Lambert-St Louis to Denver Intl if you want to fly from St. Louis to Denver. At least 9 different airlines have flights from Lambert-St Louis (STL) to Denver Intl (DEN) on a regular basis. There are 15 flights to Denver from the St. Louis airport per day. If you manage to book one that is nonstop, then you can expect the flight time from STL to DEN to be around 2h 17m.
Some of the carriers operating flights from Lambert-St Louis to Denver Intl that may be offering flexible cancellation policies are Frontier, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.
Yes, there are multiple flights from St. Louis to Denver for under $200. The cheapest flight booked recently is on Frontier for just $180, but on average you can expect to pay $222.
Cheapflights has at least 20 direct flights from St. Louis to Denver under $200. A good price for a nonstop flight from St. Louis to Denver is less than $226.
There are currently 20+ open flights from St. Louis to Denver within the next 7 days for less than $200.
Days when nonstop flights are available for this flight are: Friday, Saturday.
Flights from Lambert-St Louis to Denver Intl have been viewed 52 times in the past calendar month.
2 flight departures from St. Louis to Denver per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures
Departing from St. Louis to Denver will take you 2h 22m. Airlines will cover a distance of 772 mi. Generally, flights for this route are nonstop.
Frontier, at $180, was found to be the cheapest airline from St. Louis to Denver..
One-way options have recently been found by users for as low as $87 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $131 and United Airlines from $133 one-way.
When booking a flight from St. Louis to Denver, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.
No one likes to see their flight delayed. When booking a flight from St. Louis to Denver consider choosing SkyWest Airlines (93%), United Airlines (90%) or Air Canada (86%) as they are the most reliable in getting you off to your destination on time.
Looking for the cheapest flight from St. Louis to Denver? While on average our users pay $535, our data indicates the cheapest price to be $56. The most popular route (Lambert-St Louis - Denver Intl), is priced around $230.
6%of flight departures | Early morningMidnight to 6 am |
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55%of flight departures | Morning6 am to noon |
29%of flight departures | AfternoonNoon to 6 pm |
10%of flight departures | Evening6 pm to midnight |
Sunday | 14daily flights |
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Monday | 18daily flights |
Tuesday | 17daily flights |
Wednesday | 17daily flights |
Thursday | 16daily flights |
Friday | 17daily flights |
Saturday | 6daily flights |