₹9,482 Cheap Flights from Denver (DEN) to St. Louis (STL)

View ₹9,482 flight on Sat, 4 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ₹9,482 for one-way flights and ₹19,840 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹19,840 Return, found 4 hours ago
₹19,840
Return
found 4 hours ago
Select Delta flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹19,840 found 4 hours ago
United
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹20,306 Return, found 4 hours ago
₹20,306
Return
found 4 hours ago
Select United flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹20,306 found 4 hours ago
Delta
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹21,182 Return, found 4 hours ago
₹21,182
Return
found 4 hours ago
Select Delta flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹21,182 found 4 hours ago
United
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹21,642 Return, found 4 hours ago
₹21,642
Return
found 4 hours ago
Select United flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹21,642 found 4 hours ago
United
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹22,058 Return, found 4 hours ago
₹22,058
Return
found 4 hours ago
Select United flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹22,058 found 4 hours ago
Delta
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹22,322 Return, found 4 hours ago
₹22,322
Return
found 4 hours ago
Select Delta flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹22,322 found 4 hours ago
American Airlines
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹22,468 Return, found 4 hours ago
₹22,468
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹22,468 found 4 hours ago
United
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹22,782 Return, found 4 hours ago
₹22,782
Return
found 4 hours ago
Select United flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹22,782 found 4 hours ago
Delta
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹22,909 Return, found 4 hours ago
₹22,909
Return
found 4 hours ago
Select Delta flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹22,909 found 4 hours ago
Delta
Sat, 4 Oct - Mon, 6 Oct
DEN
Denver
STL
St. Louis
₹23,173 Return, found 4 hours ago
₹23,173
Return
found 4 hours ago
Select Delta flight, departing Sat, 4 Oct from Denver to St. Louis, returning Mon, 6 Oct, priced at ₹23,173 found 4 hours ago

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

February is typically the cheapest month to fly

From ₹5,082 - ₹26,916 per traveller.

Graph displaying average flight prices per month

Flight from Denver to St. Louis route information
Origin airport
Denver Intl.
Destination airport
Lambert-St. Louis Intl.
Return price
₹19,840
Distance
1228 km
Average flight time
3 hours 3 mins

Denver to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Denver to St. Louis will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with DEN to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Denver for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 ₹19,840. 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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