¥23,280 Cheap Flights from St. Louis (STL) to Denver (DEN)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Denver Intl. Airport (DEN)

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Cheap Flights from St. Louis to Denver (STL-DEN)

Prices were available within the past 7 days and start at ¥23,280 for one-way flights and ¥31,180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
United
American Airlines
American Airlines
United
Delta
United
American Airlines
United
American Airlines

Find the cheapest month to fly from St. Louis (STL) to Denver (DEN)

February is typically the cheapest month to fly

From ¥8,835 - ¥45,227 per traveler.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to Denver Airport?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Lambert Field to DIA airport start from ¥31,180. Book ASAP to get the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Denver Intl. Airport (DEN)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from STL to DIA airport 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 Lambert Field to Denver Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from St. Louis Lambert International Airport to DEN?
The flight from Lambert Field to DEN is about 2 hours and 18 minutes, so don't get too settled. Chances are the next time you glance out the window you'll be about to land in Denver.
How far is the flight from STL to DEN?
A flight distance of just 1,250 kilometers separates St. Louis and Denver. Once you're in the air, you won't have time to do much more than listen to some short podcasts.
Which airlines fly direct from STL to DIA airport?
With 117 monthly flights operating from STL to DEN, United Airlines (UA) is an excellent choice. You could also take a look at the fares available with Frontier Airlines (F9). This airline operates 60 flights every month between St. Louis and Denver.
Are Lambert-St. Louis Intl. Airport (STL) to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert-St. Louis Intl. Airport (STL) to Denver Airport last minute could be your ticket to a great deal. However, it might cost you a whole lot more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Denver Intl.
Roundtrip price
¥31,180
Distance
1228 km
Average flight time
1 hour 18 mins

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Book with confidence

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