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Cheap flights from Colorado Springs to St. Louis from $135

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado Springs to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:58 pm - 6:30 pmCOS  Colorado Springs-STL Lambert-St Louis
4h 32m1 stop Dallas/Fort Worth
American Airlines Logo
7:01 am - 2:11 pmSTL  Lambert-St Louis-COS Colorado Springs
8h 10m1 stop Dallas/Fort Worth
$269American Airlines
Thu, Jan 28 - Tue, Feb 2
American Airlines Logo
12:58 pm - 8:01 pmCOS  Colorado Springs-STL Lambert-St Louis
6h 03m1 stop Dallas/Fort Worth
American Airlines Logo
5:29 am - 12:08 pmSTL  Lambert-St Louis-COS Colorado Springs
7h 39m1 stop Dallas/Fort Worth
$269American Airlines
Thu, Jan 28 - Mon, Feb 1
Southwest Logo
1:40 pm - 7:30 pmCOS  Colorado Springs-STL Lambert-St Louis
4h 50m1 stop Houston Hobby
Southwest Logo
6:30 am - 9:40 amSTL  Lambert-St Louis-COS Colorado Springs
4h 10m1 stop Denver Intl
$269Southwest
Mon, Dec 7 - Thu, Dec 10
Southwest Logo
4:15 pm - 9:10 pmCOS  Colorado Springs-STL Lambert-St Louis
3h 55m1 stop Denver Intl
Southwest Logo
5:00 pm - 10:00 pmSTL  Lambert-St Louis-COS Colorado Springs
6h 00m1 stop Houston Hobby
$269Southwest
Wed, Nov 11 - Wed, Nov 18
Delta Logo
6:08 pm - 12:40 amCOS  Colorado Springs-STL Lambert-St Louis
5h 32m1 stop Salt Lake City
Delta Logo
2:20 pm - 10:22 pmSTL  Lambert-St Louis-COS Colorado Springs
9h 02m1 stop Salt Lake City
$269Delta
Mon, Nov 16 - Wed, Nov 18
Delta Logo
1:31 pm - 8:09 pmCOS  Colorado Springs-STL Lambert-St Louis
5h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:15 pm - 10:24 pmSTL  Lambert-St Louis-COS Colorado Springs
9h 09m1 stop Salt Lake City
$269Delta
Thu, Nov 26 - Tue, Dec 1
United Airlines Logo
8:45 am - 2:03 pmCOS  Colorado Springs-STL Lambert-St Louis
4h 18m1 stop Denver Intl
United Airlines Logo
1:17 pm - 8:47 pmSTL  Lambert-St Louis-COS Colorado Springs
8h 30m2 stops Chicago O'Hare Intl Denver Intl
$274United Airlines
Thu, Jan 28 - Tue, Feb 2
Southwest Logo
6:30 am - 5:25 pmCOS  Colorado Springs-STL Lambert-St Louis
9h 55m2 stops Phoenix Sky Harbor Intl Omaha Eppley Airfield
Southwest Logo
5:55 am - 1:00 pmSTL  Lambert-St Louis-COS Colorado Springs
8h 05m1 stop Phoenix Sky Harbor Intl
$274Southwest
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
7:00 am - 12:38 pmCOS  Colorado Springs-STL Lambert-St Louis
4h 38m1 stop Denver Intl
United Airlines Logo
1:40 pm - 6:56 pmSTL  Lambert-St Louis-COS Colorado Springs
6h 16m1 stop Denver Intl
$293United Airlines
Wed, Nov 18 - Wed, Nov 25
American Airlines Logo
12:58 pm - 6:30 pmCOS  Colorado Springs-STL Lambert-St Louis
4h 32m1 stop Dallas/Fort Worth
American Airlines Logo
7:27 am - 1:08 pmSTL  Lambert-St Louis-COS Colorado Springs
6h 41m1 stop Chicago O'Hare Intl
$306American Airlines
Fri, Jan 15 - Sat, Jan 16

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Southwest flights from Colorado Springs to St. Louis

Our best Southwest deals on Colorado Springs to St. Louis flight tickets
Southwest
Nov 11
COS6:30 amColorado Springs
9h 55m
2 stops
STL5:25 pmLambert-St Louis
Nov 18
STL8:30 amLambert-St Louis
8h 05m
2 stops
COS3:35 pmColorado Springs
$280
Southwest
Jan 28
COS6:55 amColorado Springs
8h 35m
2 stops
STL4:30 pmLambert-St Louis
Feb 1
STL5:05 pmLambert-St Louis
5h 00m
1 stop
COS9:05 pmColorado Springs
$281
Southwest
Dec 16
COS3:05 pmColorado Springs
6h 05m
1 stop
STL10:10 pmLambert-St Louis
Dec 20
STL8:20 amLambert-St Louis
6h 40m
1 stop
COS2:00 pmColorado Springs
$290

Delta flights from Colorado Springs to St. Louis

Our best Delta deals on Colorado Springs to St. Louis flight tickets
Delta
Nov 16
COS6:08 pmColorado Springs
5h 32m
1 stop
STL12:40 amLambert-St Louis
Nov 18
STL2:20 pmLambert-St Louis
9h 02m
1 stop
COS10:22 pmColorado Springs
$269
Delta
Nov 16
COS6:08 pmColorado Springs
5h 32m
1 stop
STL12:40 amLambert-St Louis
Nov 18
STL6:00 amLambert-St Louis
12h 28m
2 stops
COS5:28 pmColorado Springs
$274
Delta
Oct 30
COS8:17 amColorado Springs
11h 55m
2 stops
STL9:12 pmLambert-St Louis
Nov 6
STL2:25 pmLambert-St Louis
6h 51m
1 stop
COS8:16 pmColorado Springs
$593

momondo Fare Finder

 
Use the filters below to find and compare flights from Colorado Springs to St. Louis that are best for you.

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Price

Cheapest round-trip

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Thu 1/28

12:58 pm-6:30 pm

1 stop4h 32m

Lambert-St Louis

Tue 2/2

7:01 am-2:11 pm

1 stop8h 10m

$269

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Thu 1/28

12:58 pm-8:01 pm

1 stop6h 03m

Lambert-St Louis

Mon 2/1

5:29 am-12:08 pm

1 stop7h 39m

$269
Quickest round-trip

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Mon 12/7

1:40 pm-7:30 pm

1 stop4h 50m

Lambert-St Louis

Thu 12/10

6:30 am-9:40 am

1 stop4h 10m

$269

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Wed 11/11

4:15 pm-9:10 pm

1 stop3h 55m

Lambert-St Louis

Wed 11/18

5:00 pm-10:00 pm

1 stop6h 00m

$269

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Mon 11/16

6:08 pm-12:40 am

1 stop5h 32m

Lambert-St Louis

Wed 11/18

2:20 pm-10:22 pm

1 stop9h 02m

$269

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Thu 11/26

1:31 pm-8:09 pm

1 stop5h 38m

Lambert-St Louis

Tue 12/1

2:15 pm-10:24 pm

1 stop9h 09m

$269

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Thu 1/28

8:45 am-2:03 pm

1 stop4h 18m

Lambert-St Louis

Tue 2/2

1:17 pm-8:47 pm

2 stops8h 30m

$274

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Wed 11/11

6:30 am-5:25 pm

2 stops9h 55m

Lambert-St Louis

Wed 11/18

5:55 am-1:00 pm

1 stop8h 05m

$274

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Wed 11/18

7:00 am-12:38 pm

1 stop4h 38m

Lambert-St Louis

Wed 11/25

1:40 pm-6:56 pm

1 stop6h 16m

$293

Colorado SpringsSt. Louis

COS Colorado Springs - STL Lambert-St Louis

COSSTL

Colorado Springs

Fri 1/15

12:58 pm-6:30 pm

1 stop4h 32m

Lambert-St Louis

Sat 1/16

7:27 am-1:08 pm

1 stop6h 41m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Colorado Springs to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Colorado Springs and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $328 to $431.
The lowest price recently found on this route was $269.

What is the cheapest month to fly to St. Louis?

In general, November is the cheapest month to fly from Colorado Springs to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $323. The month of March is another great option to travel to St. Louis, with average flight prices from Colorado Springs averaging around $375.

How have Colorado Springs to St. Louis flight prices changed over time?

As of October 2026, prices for Colorado Springs to St. Louis flights are approximately 13% more expensive when compared to flights at the same time last year.

When to book flights from Colorado Springs to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Colorado Springs to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Colorado Springs to St. Louis (COS to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado Springs to St. Louis

Best Price Found

$135

Fastest flight time

4h 38m

Direct flights

None
The best one-way flight to St. Louis from Colorado Springs in the past 72 hours is $135. The best round-trip flight deal from Colorado Springs to St. Louis found on momondo in the last 72 hours is $269.
The fastest flight from Colorado Springs to St. Louis takes 4h 38m
There are no direct flights from Colorado Springs to St. Louis. There are no popular flight routes from Colorado Springs to St. Louis.
Search flight deals

Frequently asked questions about flying from Colorado Springs to St. Louis

  • How far is Colorado Springs to Lambert-St Louis by plane?

    A flight from Colorado Springs to Lambert-St Louis will travel around 786.9 mi. A reasonable flight in good conditions will take 4h 38m.

  • When did momondo last update prices for flights from Colorado Springs Airport to Lambert-St Louis Airport?

    Prices for flights from Colorado Springs Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Colorado Springs Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Colorado Springs Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado Springs Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Colorado Springs to St. Louis?

Best airlines flying from Colorado Springs to St. Louis

Compare and see reviews for airlines that fly from Colorado Springs to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $235Free CancellationRating
7.0
12,193 reviews
Search American Airlines flights
United AirlinesPriceFrom $292Free CancellationRating
7.3
10,430 reviews
Search United Airlines flights
SouthwestPriceFrom $331Free CancellationRating
7.9
4,220 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Farmington
Hermann
Clayton
Festus
Fenton
Edwardsville
O'Fallon
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Colorado Springs to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado Springs to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Colorado Springs to St. Louis with flexible booking policies on momondo?

Flights from Colorado Springs to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Colorado Springs to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado Springs to St. Louis.

I’m not ready to book a flight from Colorado Springs to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Colorado Springs to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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