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Cheap flights from Colorado Springs to St. Louis from $164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado Springs to St. Louis departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Colorado Springs to St. Louis

Cheap round-trip flights

Southwest Logo
6:45 am - 11:30 amCOS-STL
3h 45m1 stop
Southwest Logo
5:25 am - 9:10 amSTL-COS
4h 45m1 stop
$217Southwest
Find Deal
mar., ago. 26 - jue., ago. 28
Southwest Logo
6:45 am - 2:25 pmCOS-STL
6h 40m2 stops
Southwest Logo
5:25 am - 9:10 amSTL-COS
4h 45m1 stop
$222Southwest
Find Deal
mar., ago. 26 - jue., ago. 28
Delta Logo
5:55 pm - 12:38 amCOS-STL
5h 43m1 stop
Delta Logo
3:36 pm - 8:41 pmSTL-COS
6h 05m1 stop
$234Delta
Find Deal
lun., ago. 11 - sáb., ago. 16
Southwest Logo
3:00 pm - 11:25 pmCOS-STL
7h 25m1 stop
Southwest Logo
2:15 pm - 8:40 pmSTL-COS
7h 25m2 stops
$239Southwest
Find Deal
lun., ago. 11 - sáb., ago. 16
Delta Logo
1:10 pm - 9:27 pmCOS-STL
7h 17m1 stop
Delta Logo
6:00 am - 10:16 amSTL-COS
5h 16m1 stop
$253Delta
Find Deal
vie., ago. 22 - lun., ago. 25
Delta Logo
11:06 am - 11:14 pmCOS-STL
11h 08m2 stops
Delta Logo
6:00 am - 10:16 amSTL-COS
5h 16m1 stop
$258Delta
Find Deal
vie., ago. 22 - lun., ago. 25
American Airlines Logo
4:54 pm - 11:41 pmCOS-STL
5h 47m1 stop
American Airlines Logo
7:15 am - 11:34 amSTL-COS
5h 19m1 stop
$263American Airlines
Find Deal
lun., oct. 20 - vie., oct. 24
American Airlines Logo
5:06 pm - 11:39 pmCOS-STL
5h 33m1 stop
American Airlines Logo
7:15 am - 11:34 amSTL-COS
5h 19m1 stop
$287American Airlines
Find Deal
mar., oct. 7 - mié., oct. 15
United Airlines Logo
6:35 pm - 11:59 pmCOS-STL
4h 24m1 stop
United Airlines Logo
6:35 am - 10:56 amSTL-COS
5h 21m1 stop
$302United Airlines
Find Deal
mar., jul. 15 - mar., sep. 2
United Airlines Logo
6:20 pm - 11:58 pmCOS-STL
4h 38m1 stop
United Airlines Logo
5:15 am - 10:40 amSTL-COS
6h 25m1 stop
$323United Airlines
Find Deal
mar., oct. 7 - dom., oct. 12

American Airlines flights from Colorado Springs to St. Louis

Our best American Airlines deals on Colorado Springs to St. Louis flight tickets
American Airlines
Oct 20
COS4:54 pmColorado Springs
5h 47m
1 stop
STL11:41 pmLambert-St Louis
Oct 24
STL7:15 amLambert-St Louis
5h 19m
1 stop
COS11:34 amColorado Springs
American Airlines
Oct 7
COS5:06 pmColorado Springs
5h 33m
1 stop
STL11:39 pmLambert-St Louis
Oct 15
STL7:15 amLambert-St Louis
5h 19m
1 stop
COS11:34 amColorado Springs
American Airlines
Oct 11
COS12:09 pmColorado Springs
5h 20m
1 stop
STL6:29 pmLambert-St Louis
Oct 15
STL7:15 amLambert-St Louis
5h 19m
1 stop
COS11:34 amColorado Springs

United Airlines flights from Colorado Springs to St. Louis

Our best United Airlines deals on Colorado Springs to St. Louis flight tickets
United Airlines
Jul 15
COS6:35 pmColorado Springs
4h 24m
1 stop
STL11:59 pmLambert-St Louis
Sep 2
STL6:35 amLambert-St Louis
5h 21m
1 stop
COS10:56 amColorado Springs
United Airlines
Oct 7
COS6:20 pmColorado Springs
4h 38m
1 stop
STL11:58 pmLambert-St Louis
Oct 12
STL5:15 amLambert-St Louis
6h 25m
1 stop
COS10:40 amColorado Springs
United Airlines
Oct 7
COS12:54 pmColorado Springs
6h 52m
1 stop
STL8:46 pmLambert-St Louis
Oct 13
STL5:15 amLambert-St Louis
17h 39m
1 stop
COS9:54 pmColorado Springs

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 cheapest month to fly to St. Louis?

In general, October 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 $286. The month of November is another great option to travel to St. Louis, with average flight prices from Colorado Springs averaging around $300.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $224. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $321. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Colorado Springs in the evening is the least expensive time of day to depart. momondo users have found prices as low as $197 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $300 per ticket.

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

As of July 2025, prices for Colorado Springs to St. Louis flights are approximately 28% cheaper 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

$164

Fastest flight time

3h 45m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Colorado Springs in the past 72 hours is $164. The best round-trip flight deal from Colorado Springs to St. Louis found on momondo in the last 72 hours is $217.
The fastest flight from Colorado Springs to St. Louis takes 3h 45m
There are no direct flights from Colorado Springs to St. Louis. Popular non-direct route for this connection is Colorado Springs Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 3h 45m.

  • 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
SouthwestPriceFrom $260Free CancellationRating
8.0
4,270 reviews
Search Southwest flights
American AirlinesPriceFrom $266Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

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

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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1 adult
mar. 7/8
mar. 7/15

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