Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

Cheap Flight Deals From Denver (DEN) to St. Louis (STL) Starting at $44

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This Weekend's Flight Deals from Denver to St. Louis

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $44 One Way, $89 Round Trip from Denver to St. Louis

Prices starting at $89 for return flights and $44 for one-way flights to St. Louis were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

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More About Flying To St. Louis from Denver

Route Information for Flights from Denver to St. Louis

Origin Airport IATA Code DEN
Destination Airport IATA Code STL
Distance 767 mi
Direct Flight Airlines Air Canada, Frontier Airlines, Southwest Airlines, United Airlines
Earliest Flight Arrival 4:20PM UTC
Latest Flight Arrival 6:10AM UTC

Flights from Denver to St Louis

Denver Airport Information

When you are looking for flights from Denver, use Orbitz.com to find the best deals among most of the major air passenger carriers. You will fly out of the Denver International Airport, which is approximately 28 miles east of Denver's downtown area. The trip should take you 35 to 40 minutes, but be sure to leave yourself extra time if you are heading out during rush hour.

Airport Parking in Denver

You will have several parking choices once you reach the Denver airport. There are two long-term garages on each side of the airport, which charge a daily rate of $21. These are located just outside the terminals. The two economy lots only charge $11 per day, and they offer free shuttle service from your car to the terminals. The Pikes Peak Shuttle Lot is located on East 75th Avenue, and charges a mere $7 per day for parking. Shuttle service runs every 10 minutes to the terminals. If you have purchased your air ticket from Orbitz.com, you may have saved enough to warrant using the airport's valet parking service, which costs $30 per day.

Ground Transportation in Denver

If you're not taking much luggage with you, you might want to consider taking the RTD public bus to the airport. There are also several private car and limousine services that will get you there on time. Expect a taxi from the downtown area to the airport to cost you between $60 and $70.

Restaurants in the Denver Airport

The Denver airport has plenty of amenities, so you don't have to worry about stopping for coffee on your way to the airport. Each terminal has a wide selection of eateries from fast food to fine wine and full sit-down meals. Enjoy your travels, wherever they may take you, and don't forget to use Orbtiz.com the next time you are looking for the best flights from Denver International Airport.

Lambert-St. Louis International Airport

Allow Orbitz.com to help you book flights to St. Louis. Lambert-St.Louis International Airport is located 10 miles northwest of St. Louis. Over 13 million passengers pass through the airport each year. It is the largest airport in the state of Missouri and services 255 daily departures to over 90 cities, domestically and internationally. Southwest Airlines is based out of Lambert, and Air Canada, Alaska Airlines, Cape Air, Delta and American Airlines all have major hubs at Lambert. You can use Orbitz.com to book bargain tickets on your next trip to the St. Louis area.

St. Louis International Airport Transportation

St. Louis International Airport offers a variety of transportation services for the busy traveler. Shuttle services, rental cars, and public transportation are available at the airport. Go Best Express Airport Shuttle is a popular shuttle service for group transportation. One-way fares start at $17. The MetroLink is St. Louis' rail system and operates 37 stations throughout the city. One-way fares cost $2.

St. Louis Weather

St. Louis has distinct seasons. Summers are hot, and temperatures can get as high as 90 degrees F. Spring is usually a rainy season for St. Louis, so it is best to pack an umbrella for your trip during March, April and May. Fall is usually mild, with temperatures averaging 57 degrees F. Winters can be freezing, with temperature falling to 20 degrees F. Bring a warm coat and boots during winter trips to St. Louis.

Popular Attractions in St. Louis

St. Louis offers a variety of attractions for visitors. Some popular attractions include the famous Gateway Arch, Six Flags of St. Louis, the Saint Louis Zoo and Forest Park. St. Louis is also home to several theaters, such as the Ferrara Theatre, Fox Theatre, and Grand Center. Some popular museums include the St. Louis Children's Museum and the Beall Mansion Museums. Book flights to St. Louis with the help of Orbitz.com to visit these popular attractions.

Flights from Denver to St. Louis - Frequently Asked Questions

Am I able to catch a flight from Denver to St. Louis now?

The Covid-19 Travel Advisor can answer all your questions about quarantine requirements and travel restrictions when traveling by plane from Denver to St. Louis.

Are there non-stop flights from Denver to St. Louis?

United Airlines and Frontier Airlines operate direct flights from DEN to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.), which means you won't need to stress about changing planes or waiting around during a layover.

What is the shortest flight from Denver to St. Louis?

If conditions are good and there are no delays, you could be jetting into Lambert-St. Louis Intl. Airport (STL) from Colorado Springs, CO Airport (COS) in only 2 hours and 45 minutes. With such a brief flight time, contemplate traveling with hand luggage only.

What airlines fly from Denver to St. Louis most frequently?

There are a few airlines offering the most frequent flights from Denver, CO Airport (DEN-Denver Intl.) to Lambert Field, including United Airlines (UA). A top pick for many travelers, it operates 108 flights on this route each month. Alternatively, reserve a seat with Frontier Airlines (F9). You'll have 34 monthly flights between Denver and St. Louis to choose from with this airline.

If I am not able to travel due to COVID-19, can I cancel my flight to St. Louis?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to St. Louis have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to St. Louis with flexible change policies?

In most cases you'll have the option to reschedule your flight to St. Louis without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2020 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is August. Perfect for those who need a weekend getaway, or just a break from it all before the weather changes. Be aware that the most expensive time to fly is the height of summer, with ticket prices peaking in the month of June.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2020 saved up to 45% on their airfares. Get mixing and matching today!

*According to flight demand on Orbitz.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.