How long is the flight from Colorado Springs to St. Louis?

For as low as $217, American Airlines can have you in St. Louis from Colorado Springs in 5h 35m. There are 771 mi between Colorado Springs and St. Louis. This flight may include one or multiple stops.

What are the cheapest airlines flying from Colorado Springs to St. Louis round-trip?

Our cheapest airline available from Colorado Springs to St. Louis is Southwest. Our recent data shows that you can find tickets from as low as $234 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $252 and $266 round-trip. Southwest is currently priced 38% below the average price you’ll pay for this route.

What is the cheapest day to fly from Colorado Springs to St. Louis?

Travelers seeking maximum savings on their Colorado Springs to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from Colorado Springs to St. Louis?

American Airlines, United Airlines and Southwest are the most popular airlines when flying from Colorado Springs to St. Louis.

What is the cheapest time of day to fly from COS to STL?

It’s typically best to fly out from Colorado Springs to St. Louis in the morning. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

Can I find deals for flights from Colorado Springs to St. Louis that include hotel bookings?

Yes. In addition to deals on Colorado Springs to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Colorado Springs to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to St. Louis.

Can I find deals for business class flights from Colorado Springs to St. Louis?

Yes. Cheapflights offers flight deals from Colorado Springs to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$89+ Flights from Colorado Springs to St. Louis

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Cheap flight deals from Colorado Springs to St. Louis

Round-trip from	$159 (American Airlines)
One-way from	$89 (American Airlines)
Popular in	August
Cheapest in	November
Average price	$320

From Colorado Springs to Lambert-St Louis

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One-way flight from Colorado Springs to Lambert-St Louis

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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Colorado Springs to St. Louis

Cheapest flights from Colorado Springs to St. Louis
Explore the most affordable flight options available from Colorado Springs to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

jue. 10/234:54 pmCOS - STL

1 stop5h 55mAmerican Airlines

mié. 10/299:43 amSTL - COS

1 stop7h 15mAmerican Airlines

Deal found 9/16

$159

lun. 10/205:49 pmCOS - STL

1 stop5h 35mDelta

vie. 10/242:29 pmSTL - COS

1 stop8h 41mDelta

Deal found 9/15

$217

jue. 10/236:00 amCOS - STL

1 stop7h 43mDelta

mié. 10/2912:14 pmSTL - COS

2 stops10h 56mDelta

Deal found 9/15

$222

sáb. 10/1110:37 amCOS - STL

1 stop6h 52mAmerican Airlines

sáb. 10/185:20 amSTL - COS

1 stop5h 26mAmerican Airlines

Deal found 9/16

$224

jue. 11/61:16 pmCOS - STL

1 stop7h 22mDelta

dom. 11/96:00 amSTL - COS

1 stop7h 37mDelta

Deal found 9/16

$282

vie. 11/143:35 pmCOS - STL

1 stop5h 19mUnited Airlines

dom. 11/169:00 amSTL - COS

1 stop5h 14mUnited Airlines

Deal found 9/15

$309

vie. 11/147:10 amCOS - STL

2 stops6h 20mSouthwest

dom. 11/165:30 amSTL - COS

1 stop6h 55mSouthwest

Deal found 9/15

$314

Best flights from Colorado Springs to St. Louis
Discover carefully curated flight deals from Colorado Springs to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated septiembre 17, 2025.

jue. 10/234:54 pmCOS - STL

1 stop5h 55mAmerican Airlines

mié. 10/295:20 amSTL - COS

1 stop5h 26mAmerican Airlines

Deal found 9/15

$177

lun. 10/205:49 pmCOS - STL

1 stop5h 35mDelta

vie. 10/242:29 pmSTL - COS

1 stop8h 41mDelta

Deal found 9/15

$217

vie. 11/143:35 pmCOS - STL

1 stop5h 19mUnited Airlines

dom. 11/169:00 amSTL - COS

1 stop5h 14mUnited Airlines

Deal found 9/15

$309

jue. 10/236:00 amCOS - STL

1 stop7h 43mDelta

mié. 10/2912:14 pmSTL - COS

2 stops10h 56mDelta

Deal found 9/15

$222

jue. 11/61:16 pmCOS - STL

1 stop7h 22mDelta

dom. 11/96:00 amSTL - COS

1 stop7h 37mDelta

Deal found 9/16

$282

Last-minute flights from Colorado Springs to St. Louis
Discover last-minute flight deals from Colorado Springs to St. Louis. Data last updated septiembre 17, 2025 and is based on user searches.

mar. 9/305:55 pmCOS - STL

1 stop5h 43mDelta

sáb. 10/41:26 pmSTL - COS

1 stop8h 13mDelta

Deal found 9/15

$407

lun. 10/64:54 pmCOS - STL

1 stop5h 55mAmerican Airlines

dom. 10/125:11 amSTL - COS

1 stop5h 36mAmerican Airlines

Deal found 9/15

$367

sáb. 10/1110:37 amCOS - STL

1 stop6h 52mAmerican Airlines

sáb. 10/185:20 amSTL - COS

1 stop5h 26mAmerican Airlines

Deal found 9/16

$224

sáb. 10/111:54 pmCOS - STL

1 stop5h 52mUnited Airlines

sáb. 10/183:23 pmSTL - COS

2 stops7h 31mUnited Airlines

Deal found 9/16

$353

lun. 10/205:49 pmCOS - STL

1 stop5h 35mDelta

vie. 10/242:29 pmSTL - COS

1 stop8h 41mDelta

Deal found 9/15

$217

lun. 10/206:20 pmCOS - STL

2 stops19h 07mUnited Airlines

vie. 10/244:50 pmSTL - COS

1 stop6h 04mUnited Airlines

Deal found 9/16

$396

jue. 10/234:54 pmCOS - STL

1 stop5h 55mAmerican Airlines

mié. 10/299:43 amSTL - COS

1 stop7h 15mAmerican Airlines

Deal found 9/16

$159

jue. 10/236:00 amCOS - STL

1 stop7h 43mDelta

mié. 10/2912:14 pmSTL - COS

2 stops10h 56mDelta

Deal found 9/15

$222

One-way flights from Colorado Springs to St. Louis
Search for one-way flight options from Colorado Springs to St. Louis. Find affordable one-way fares based on user searches. Data last updated septiembre 17, 2025.

jue. 10/2311:10 amCOS - STL

1 stop8h 35mSouthwest

Deal found 9/16

$89

jue. 10/305:49 pmCOS - STL

1 stop5h 35mDelta

Deal found 9/16

$109

vie. 10/245:49 pmCOS - STL

1 stop5h 35mDelta

Deal found 9/16

$136

vie. 10/245:59 pmCOS - STL

2 stops38h 08mMultiple Airlines

Deal found 9/16

$148

mié. 10/2911:35 amCOS - STL

2 stops6h 35mSouthwest

Deal found 9/16

$154

mar. 11/255:45 amCOS - STL

1 stop5h 52mAmerican Airlines

Deal found 9/17

$174

jue. 10/306:00 amCOS - STL

2 stops7h 25mUnited Airlines

Deal found 9/16

$176

mié. 11/266:00 amCOS - STL

2 stops7h 25mUnited Airlines

Deal found 9/17

$209

mar. 11/256:00 amCOS - STL

2 stops8h 46mUnited Airlines

Deal found 9/17

$214

jue. 10/237:30 amCOS - STL

3 stops13h 30mUnited Airlines

Deal found 9/17

$249

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/23

4:54 pm-11:49 pm

1 stop5h 55m

Lambert-St Louis

mié. 10/29

5:20 am-9:46 am

1 stop5h 26m

$177

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

lun. 10/20

5:49 pm-12:24 am

1 stop5h 35m

Lambert-St Louis

vie. 10/24

2:29 pm-10:10 pm

1 stop8h 41m

$217

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/23

6:00 am-2:43 pm

1 stop7h 43m

Lambert-St Louis

mié. 10/29

12:14 pm-10:10 pm

2 stops10h 56m

$222

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 11/6

1:16 pm-9:38 pm

1 stop7h 22m

Lambert-St Louis

dom. 11/9

6:00 am-12:37 pm

1 stop7h 37m

$282

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

vie. 11/14

3:35 pm-9:54 pm

1 stop5h 19m

Lambert-St Louis

dom. 11/16

9:00 am-1:14 pm

1 stop5h 14m

$309

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/23

4:54 pm-11:49 pm

1 stop5h 55m

$89

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/23

11:10 am-8:45 pm

1 stop8h 35m

$89

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

mié. 10/29

5:01 pm-11:18 pm

1 stop5h 17m

$89

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

jue. 10/30

5:49 pm-12:24 am

1 stop5h 35m

$109

Colorado SpringsSt. Louis

COS - STL

COSSTL

Colorado Springs

vie. 10/24

5:49 pm-12:24 am

1 stop5h 35m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 13 results

Best time to book a flight from Colorado Springs to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Colorado Springs with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado Springs to St. Louis

What is the cheapest month to book a flight from Colorado Springs to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Colorado Springs to St. Louis (average of $311). Flying from Colorado Springs to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Colorado Springs to St. Louis, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,242 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,926 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,242 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

How long is the flight from Colorado Springs to St. Louis?
For as low as $217, American Airlines can have you in St. Louis from Colorado Springs in 5h 35m. There are 771 mi between Colorado Springs and St. Louis. This flight may include one or multiple stops.
What are the cheapest airlines flying from Colorado Springs to St. Louis round-trip?
Our cheapest airline available from Colorado Springs to St. Louis is Southwest. Our recent data shows that you can find tickets from as low as $234 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $252 and $266 round-trip. Southwest is currently priced 38% below the average price you’ll pay for this route.
Can I find deals for flights from Colorado Springs to St. Louis that include hotel bookings?
Yes. In addition to deals on Colorado Springs to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Colorado Springs to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to St. Louis.
Can I find deals for business class flights from Colorado Springs to St. Louis?
Yes. Cheapflights offers flight deals from Colorado Springs to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Colorado Springs to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Colorado Springs to St. Louis (average of $311). Flying from Colorado Springs to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Edwardsville

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

St. Peters

Chesterfield

Alton

Farmington

Festus

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Top 3 airlines flying from Colorado Springs to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$234	Average$385	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$252	Average$306	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$266	Average$336	FlexibilityNo cancel fee	On-time69%

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$89+ Cheap flights from Colorado Springs to St. Louis (COS - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado Springs to St. Louis with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colorado Springs to St. Louis

Round-trip from

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Find flight deals from Colorado Springs to St. Louis

Cheapest flights from Colorado Springs to St. LouisExplore the most affordable flight options available from Colorado Springs to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

Explore the most affordable flight options available from Colorado Springs to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Colorado Springs to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Colorado Springs with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Colorado Springs to St. Louis

What is the cheapest month to book a flight from Colorado Springs to St. Louis?

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Colorado Springs to St. Louis, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Colorado Springs to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Colorado Springs to St. Louis?

What are the cheapest airlines flying from Colorado Springs to St. Louis round-trip?

Can I find deals for flights from Colorado Springs to St. Louis that include hotel bookings?

How can I find direct flights from Colorado Springs to St. Louis?

Can I find deals for business class flights from Colorado Springs to St. Louis?

What is the cheapest month to book a flight from Colorado Springs to St. Louis?

Traveling to a place near St. Louis?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado Springs to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Colorado Springs to St. Louis

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Cheapest flights from Colorado Springs to St. Louis
Explore the most affordable flight options available from Colorado Springs to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.