STL to DEN (St. Louis to Denver) Flights

Last Minute Flights from STL to DEN

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLDenverMay 2 to May 7$238
*Prices include taxes and fees

Cheapest STL to DEN Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLDenverJune 18 to June 21$108
STLDenverJune 14 to June 18$197
STLDenverJuly 19 to July 23$197
STLDenverJuly 12 to July 12$211
*Prices include taxes and fees
STL to DEN Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Distance
767 mi

Frequently asked questions

What airlines fly direct from STL to Denver Intl. Airport (DEN)?
Turn your back on pesky stopovers and jet straight from STL to Denver Intl. Airport (DEN) with United Airlines (UA). This popular carrier has 91 nonstop services on this route per month. You can also choose from 30 nonstop monthly flights provided by Frontier Airlines (F9). No changeovers? No hassles.
How many flights are there from STL to DEN?
Approximately 11 per day. If you’re in a big hurry to travel to Denver, see if you can pick up a fabulous last-minute deal from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Denver, CO (DEN-Denver Intl.) and then reserve it right away!
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Denver, CO (DEN-Denver Intl.)?
You’ll just have enough time for a short snooze on this journey of 2 hours and 22 minutes. St. Louis, MO (STL-Lambert-St. Louis Intl.) to Denver, CO (DEN-Denver Intl.) is classed as a short-haul flight.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Denver, CO (DEN-Denver Intl.)?
A short-haul flight, the trip from St. Louis to Denver is only 770 miles (1,250 1). You’ll be landing at Denver, CO (DEN-Denver Intl.) and grabbing your luggage from the carousel in the blink of an eye.
How many morning flights are there from STL to DEN?
Each week, 29 flights leave from STL to DEN before midday. United Airlines (UA) operates 7 weekly flights in the morning on this route, with the earliest departing at 8:47AM.
How many afternoon flights are there from STL to DEN?
With 50 weekly afternoon and evening flights from STL to DEN, you can forget about setting your alarm. Compare the offers from United Airlines (UA) and book one of the 14 flights each week that take off after midday. The first leaves the runway at 1:37PM.
What is the earliest departure time out of St. Louis to Denver?
The earliest flight sets off from STL at 5:35AM and touches down at DEN at 7:55AM. Don’t forget to allow yourself sufficient time in the morning to get to the airport.
What is the latest departure time out of St. Louis to Denver?
From STL, the last flight jets out at 10:45PM and lands at DEN at 1:05AM. If you don’t enjoy early starts, this is the flight to catch.
What is the average price from St. Louis to Denver?
Round-trip journeys from STL to DEN start at around $108. Book early 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.

St. Louis to Denver Flights

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

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Denver, 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.