Cheap Flights from Denver to St. Louis

Airlines that fly from Denver Intl. Airport (DEN) to St. Louis Lambert Intl. Airport (STL)

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Denver to St. Louis route information
Origin airport
Denver Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
1228 km

Perfect flights from Denver to St. Louis

Your Journey from Denver to St. Louis

Start your unforgettable journey with Expedia. Our broad selection of flights from Denver to St. Louis caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including . Our selection of flights from Denver Intl. to Lambert-St. Louis Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from airlines, you're bound to find the perfect flight.
 

Maximizing Value with Denver to St. Louis Flights

Experience the joy of finding cheap flights from Denver Intl. to Lambert-St. Louis Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares and roundtrip prices *.
 

Pre-Flight Essentials

Ensure a smooth journey from Denver to St. Louis with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant St. Louis

Picture yourself stepping off the plane in St. Louis and immersing yourself in the unique atmosphere of St. Louis. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Denver to St. Louis Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Denver to St. Louis.
 

Beyond the Flight – Exploring St. Louis

With Expedia, your adventure extends beyond the flight. Explore St. Louis at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Denver to St. Louis with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Denver to St. Louis with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Denver Intl. Airport (DEN) to Lambert-St. Louis Intl. Airport (STL)?
Round-trip flights from Denver Intl. Airport (DEN) to STL start from . This price is based on fares available within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DEN to Lambert-St. Louis Intl. Airport (STL)?
Most flights can be cancelled online, but whether you are charged a fee depends on your airline. If you do have to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from DIA airport to STL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for DIA airport to STL flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Denver Intl. Airport (DEN) to STL?
With a flight distance of 1,250 kilometres, it’s only a short hop from DEN to STL. It might be a quick one, but it’s still worth bringing something to keep you entertained on board.
Which airlines fly direct from Denver Airport to St. Louis Lambert International Airport?
Many travellers choose to fly with Southwest Airlines (WN) from DIA airport to Lambert-St. Louis Intl. Airport (STL). This popular airline offers 178 flights every month, so you can easily find a flight time that’s right for you. United Airlines (UA) is also worth considering. It offers 121 flights every month. Between these two airlines, you’ll be able to find a good deal from Denver to St. Louis.
Are Denver Airport to Lambert Field flight tickets cheaper when they're purchased at the last minute?
It is possible to get a fantastic last-minute deal from Denver Intl. Airport (DEN) to Lambert Field, but it can also be hit-or-miss. As many airlines advertise prices up to 12 months in advance, it’s worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you’re always getting the latest offers.
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