￥25,220 Cheap Flights from St. Louis (STL) to Denver (DEN)

View ￥25,220 flight on Mon, May 11, 2026Opens in a new window

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 ￥25,220 for one-way flights and ￥38,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 19 - Tue, Jun 9
STL
St. Louis
DEN
Denver
￥38,080 Roundtrip, found 4 days ago
￥38,080
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 19 from St. Louis to Denver, returning Tue, Jun 9, priced at ￥38,080 found 4 days ago
Delta
Sat, May 16 - Tue, Jun 2
STL
St. Louis
DEN
Denver
￥41,090 Roundtrip, found 4 days ago
￥41,090
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 16 from St. Louis to Denver, returning Tue, Jun 2, priced at ￥41,090 found 4 days ago
Delta
Tue, May 19 - Thu, Jun 4
STL
St. Louis
DEN
Denver
￥42,050 Roundtrip, found 4 days ago
￥42,050
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, May 19 from St. Louis to Denver, returning Thu, Jun 4, priced at ￥42,050 found 4 days ago
Delta
Fri, May 15 - Tue, Jun 2
STL
St. Louis
DEN
Denver
￥44,310 Roundtrip, found 4 days ago
￥44,310
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, May 15 from St. Louis to Denver, returning Tue, Jun 2, priced at ￥44,310 found 4 days ago
Delta
Sat, May 16 - Thu, Jun 4
STL
St. Louis
DEN
Denver
￥45,060 Roundtrip, found 4 days ago
￥45,060
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 16 from St. Louis to Denver, returning Thu, Jun 4, priced at ￥45,060 found 4 days ago
Delta
Sat, May 9 - Tue, May 26
STL
St. Louis
DEN
Denver
￥45,820 Roundtrip, found 4 days ago
￥45,820
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 9 from St. Louis to Denver, returning Tue, May 26, priced at ￥45,820 found 4 days ago
Delta
Sat, May 23 - Thu, Jun 4
STL
St. Louis
DEN
Denver
￥46,030 Roundtrip, found 4 days ago
￥46,030
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 23 from St. Louis to Denver, returning Thu, Jun 4, priced at ￥46,030 found 4 days ago
United
Thu, May 14 - Wed, May 27
STL
St. Louis
DEN
Denver
￥51,600 Roundtrip, found 4 days ago
￥51,600
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from St. Louis to Denver, returning Wed, May 27, priced at ￥51,600 found 4 days ago
American Airlines
Thu, May 14 - Sat, May 23
STL
St. Louis
DEN
Denver
￥53,020 Roundtrip, found 4 days ago
￥53,020
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, May 14 from St. Louis to Denver, returning Sat, May 23, priced at ￥53,020 found 4 days ago
Alaska Airlines
Thu, May 7 - Thu, May 14
STL
St. Louis
DEN
Denver
￥131,710 Roundtrip, found 4 days ago
￥131,710
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, May 7 from St. Louis to Denver, returning Thu, May 14, priced at ￥131,710 found 4 days ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from ￥42,050
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from ￥42,050

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 ￥38,080. 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

Origin airport
Lambert-St. Louis Intl.
Destination airport
Denver Intl.
Roundtrip price
￥38,080
Distance
1228 km
Average flight time
1 hour 24 mins
*Available to Expedia members.