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Cheap flights from St. Louis (STL) to Denver (DEN)

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Lowest round trip fares by airline from St. Louis and Denver

Cheapest prices ($44 One Way, $89 Round Trip) found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Great Deals On Cheap Hotels in Denver

Econo Lodge Denver International Airport

Econo Lodge Denver International Airport

2 out of 5
15900 E 40th Ave, Aurora, CO
The price is $93 per night from Aug 1 to Aug 1
Situated near the airport, this hotel is 2.1 mi (3.3 km) from Rocky Mountain Arsenal National Wildlife Refuge and within 6 mi (10 km) of The Children's Hospital ...
2.9/5 (8 reviews)
"Constant loud humming all night. Room above me Constant vibrating loud."

Reviewed on Oct 2, 2019

Econo Lodge Denver International Airport
Microtel Inn by Wyndham Denver

Microtel Inn by Wyndham Denver

2 out of 5
18600 E 63rd Ave, Denver, CO
The price is $123 per night from Aug 22 to Aug 22
Situated near the airport, this hotel is 2.8 mi (4.5 km) from Rocky Mountain Arsenal National Wildlife Refuge and within 9 mi (15 km) of Dick's Sporting Goods ...
3.4/5Good! (12 reviews)
"spotty internet, liked shuttle"

Reviewed on Apr 27, 2021

Microtel Inn by Wyndham Denver
11th Avenue Hostel

11th Avenue Hostel

1 out of 5
1112 Broadway, Denver, CO
Located in Golden Triangle, this hostel is within a 15-minute walk of Denver Art Museum and United States Mint. Coors Field and Elitch Gardens Theme Park are ...
3/5 (3 reviews)
"The heater is not working and it's cold in my room."

Reviewed on Feb 21, 2019

11th Avenue Hostel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Flights Review

Mar 22, 2018

I wasn’t happy about having to pay $ 40.00 for my second bag. Guess I misunderstood the instructions.

A verified traveler
St. Louis to Denver · Frontier Airlines

Fly From St. Louis to Denver

Origin St. Louis
Destination Denver
Number of Daily Flights 15
Earliest Flight Departure Date Jul 31
Latest Flight Departure Date Aug 1
Popular Airlines Frontier Airlines

Cheap flights from St Louis to Denver

Whether you're traveling from St. Louis, to Denver International Airport (DEN) for business or pleasure, you'll find plenty to enjoy in the Queen City of the West. As the capital of Colorado, Denver stands at exactly 5,280 feet above sea level, hidden away in the midst of the snow-capped Rockies. In this outdoor lover's paradise, you can hike Green Mountain, kayak in Confluence Park, go whitewater rafting in Idaho Springs, or see a show at the Red Rocks Amphitheater.

Key Facts

Having a rental car during your vacation, is helpful for taking day trips up the Mount Evans Scenic Byway, the highest paved road in America. Many downtown attractions however, are reachable by using the city's eco-friendly "Green Fleet" public transit system. Park for free on the outskirts of town, and catch a ride on the metro, to visit the Denver Art Museum, take the kids to the Denver Zoo, tour the U.S. Mint, or grab some locally made beer at the Coors Brewery.

Hints and Tips

After traveling about one hour and forty minutes from Lambert-St. Louis International Airport (STL), you'll touch down in in the world's fifth busiest airport. Since DEN welcomes more than 52 million passengers yearly, it's best to hop on the Peak 1 Express Mountain Shuttle, to navigate the crowds to your car rental. Once you're behind the wheel, take Peña Blvd. to Interstate 70 and begin exploring Denver.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.