₹8,423 Cheap Flights from Denver (DEN) to St. Louis (STL)

View ₹8,423 flight on Tue, 7 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 ₹8,423 for one-way flights and ₹16,878 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 18 Aug - Thu, 21 Aug
DEN
Denver
STL
St. Louis
₹16,878 Return, found 1 day ago
₹16,878
Return
found 1 day ago
Select Delta flight, departing Mon, 18 Aug from Denver to St. Louis, returning Thu, 21 Aug, priced at ₹16,878 found 1 day ago
Delta
Mon, 18 Aug - Fri, 22 Aug
DEN
Denver
STL
St. Louis
₹17,738 Return, found 1 day ago
₹17,738
Return
found 1 day ago
Select Delta flight, departing Mon, 18 Aug from Denver to St. Louis, returning Fri, 22 Aug, priced at ₹17,738 found 1 day ago
Delta
Wed, 22 Oct - Mon, 27 Oct
DEN
Denver
STL
St. Louis
₹18,159 Return, found 6 days ago
₹18,159
Return
found 6 days ago
Select Delta flight, departing Wed, 22 Oct from Denver to St. Louis, returning Mon, 27 Oct, priced at ₹18,159 found 6 days ago
Delta
Mon, 18 Aug - Thu, 21 Aug
DEN
Denver
STL
St. Louis
₹18,194 Return, found 1 day ago
₹18,194
Return
found 1 day ago
Select Delta flight, departing Mon, 18 Aug from Denver to St. Louis, returning Thu, 21 Aug, priced at ₹18,194 found 1 day ago
Delta
Wed, 22 Oct - Mon, 27 Oct
DEN
Denver
STL
St. Louis
₹18,991 Return, found 6 days ago
₹18,991
Return
found 6 days ago
Select Delta flight, departing Wed, 22 Oct from Denver to St. Louis, returning Mon, 27 Oct, priced at ₹18,991 found 6 days ago
Delta
Mon, 18 Aug - Thu, 21 Aug
DEN
Denver
STL
St. Louis
₹19,028 Return, found 1 day ago
₹19,028
Return
found 1 day ago
Select Delta flight, departing Mon, 18 Aug from Denver to St. Louis, returning Thu, 21 Aug, priced at ₹19,028 found 1 day ago
United
Wed, 22 Oct - Mon, 27 Oct
DEN
Denver
STL
St. Louis
₹19,466 Return, found 6 days ago
₹19,466
Return
found 6 days ago
Select United flight, departing Wed, 22 Oct from Denver to St. Louis, returning Mon, 27 Oct, priced at ₹19,466 found 6 days ago
Delta
Wed, 22 Oct - Mon, 27 Oct
DEN
Denver
STL
St. Louis
₹19,874 Return, found 6 days ago
₹19,874
Return
found 6 days ago
Select Delta flight, departing Wed, 22 Oct from Denver to St. Louis, returning Mon, 27 Oct, priced at ₹19,874 found 6 days ago
Delta
Mon, 18 Aug - Fri, 22 Aug
DEN
Denver
STL
St. Louis
₹19,914 Return, found 1 day ago
₹19,914
Return
found 1 day ago
Select Delta flight, departing Mon, 18 Aug from Denver to St. Louis, returning Fri, 22 Aug, priced at ₹19,914 found 1 day ago
American Airlines
Wed, 22 Oct - Mon, 27 Oct
DEN
Denver
STL
St. Louis
₹22,873 Return, found 6 days ago
₹22,873
Return
found 6 days ago
Select American Airlines flight, departing Wed, 22 Oct from Denver to St. Louis, returning Mon, 27 Oct, priced at ₹22,873 found 6 days ago

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

September is typically the cheapest month to fly

From ₹4,114 - ₹11,323 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.
Airlines serving
American Airlines, Delta, United
Return price
₹16,878
Distance
1228 km
Average flight time
3 hours 2 mins

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 ₹16,878. 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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