DEN to STL (Denver to St. Louis) Flights

Last Minute Flights from DEN to STL

Best airfare and ticket deals for DEN to STL flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
DENSt. LouisApril 19 to April 21$298
*Prices include taxes and fees

Cheapest DEN to STL Flights

Best airfare and ticket deals for DEN to STL flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
DENSt. LouisMay 7 to May 7$53
DENSt. LouisMay 21 to May 26$159
DENSt. LouisMay 17 to May 26$178
DENSt. LouisOctober 10 to October 25$223
*Prices include taxes and fees
DEN to STL Flight Details
Origin airport
Denver Intl.
Origin airport IATA code
DEN
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Distance
767 mi

Frequently asked questions

Which airlines with flights from Denver Airport to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) allow free cancellation due to COVID-19?
Quite a few airlines are now advertising flexible airfares so you can book your flight to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) with confidence. To find out which carriers have these kinds of tickets, use our nifty filter tool. Just check the “No change fee” box under the “Flexible change policies” subheading. Also read the terms and conditions so you know what COVID-19 related changes are covered.
What airlines fly direct from Denver Airport to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.)?
Book with Southwest Airlines (WN). It operates 160 flights per month that jet straight from Denver Airport to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.). With 121 nonstop monthly services of its own on this journey, United Airlines (UA) is another carrier to consider.
How many flights are there from DEN to STL?
There are roughly 10 flights every day from Denver, CO Airport (DEN-Denver Intl.) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.), so you have ample opportunities to get to St. Louis. Just pick out a date and time that works for you and lock in your fare.
How long does it take to fly from Denver, CO Airport (DEN-Denver Intl.) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.)?
From Denver, CO Airport (DEN-Denver Intl.), it’s an easy 2 hours to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.). Don’t get too settled in your seat — you’ll be landing at your destination soon enough.
What is the flight distance from Denver, CO Airport (DEN-Denver Intl.) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.)?
Covering just 770 miles (1250 km), the short-haul journey from Denver, CO Airport (DEN-Denver Intl.) to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) is a swift one indeed. Spend your journey dreaming about what you want to do and see once you touch down in St. Louis.
How many morning flights are there from DEN to STL?
Each week, 25 flights depart from DEN to STL before midday. Southwest Airlines (WN) lists 12 weekly flights in the morning, with the earliest setting off at 12:30PM.
How many afternoon flights are there from DEN to STL?
Take your pick of 47 afternoon and evening flights from DEN to STL every week and say no to early morning starts.
  • Southwest Airlines (WN) has 25 flights every week departing after midday. The first one takes off at 12:15AM.
  • United Airlines (UA) is another good option, offering 21 afternoon and evening flights per week. The earliest departure with this carrier is at 12:08AM.
What is the earliest departure time out of Denver to St. Louis?
The earliest flight jets off from DEN at 6:30AM and lands at 8:30AM at STL. You’ll want to allow yourself sufficient time in the morning to get to the airport.
What is the latest departure time out of Denver to St. Louis?
From DEN, the latest flight you can catch takes off at 9:55PM and touches down at STL at 11:50PM. If you’re not into early mornings, this flight has your name on it.
What is the average price from Denver to St. Louis?
Round-trip tickets from DEN to STL start from $53. Book today and land a great deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Denver to St. Louis Flight Schedule

CarrierFlightDepart DENArrive STLWed
4/17
Thu
4/18
Fri
4/19
Sat
4/20
Sun
4/21
Mon
4/22
Tue
4/23
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Denver to St. Louis Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Denver to St. Louis to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from DEN to STL, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Denver to St. Louis, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.