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

Flying on Delta is currently your cheapest option to Colorado Springs, with prices starting at $285. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $327 and $342, respectively. Delta is priced at 21% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from St. Louis to Colorado Springs one-way?

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $146. Southwest flights start at $164 while deals on United Airlines start at $195 one-way.

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

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

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

When booking a flight from St. Louis to Colorado Springs, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

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

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 31% on the overall cost on flights from St. Louis to Colorado Springs.

How far in advance should I book a flight from St. Louis to Colorado Springs?

Find a great deal and save up to 97% by booking at least 30 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Colorado Springs within the next two weeks, with the cheapest ticket starting at $375.

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

The best pricing can be found in the month of November. Prices to Colorado Springs from St. Louis average $365. You can even find prices in November for less than $365, as users have found deals to Colorado Springs from as low as $260. The month of December appears to be one of the more expensive times to travel to Colorado Springs from St. Louis. Flying in the targeted month can save you up to 16%.

Most accurate provider : When it comes to deals on St. Louis-Colorado Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Colorado Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Colorado Springs flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Colorado Springs flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Colorado Springs flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$146+ Flights from St. Louis to Colorado Springs - Compare & Save Big

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Colorado Springs are usually found in November or February, booked 78 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from St. Louis to Colorado Springs

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$285 (Delta)
One-way from	$146 (American Airlines)
Popular in	December
Cheapest in	November
Average price	$370

Provider with most accurate pricing for Lambert-St Louis-Colorado Springs flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Colorado Springs flights.

Search Deals

From Lambert-St Louis to Colorado Springs

Search Deals

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

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from St. Louis to Colorado Springs

Cheapest flights from St. Louis to Colorado Springs
Explore the most affordable flight options available from St. Louis to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.

Sat 6/286:30 amSTL - COS

1 stop4h 32mDelta

Tue 7/16:00 amCOS - STL

1 stop7h 37mDelta

Deal found 5/15

$285

Sat 5/319:10 amSTL - COS

1 stop6h 27mUnited Airlines

Wed 6/43:47 pmCOS - STL

1 stop4h 01mUnited Airlines

Deal found 5/15

$327

Fri 9/199:50 amSTL - COS

2 stops6h 55mSouthwest

Sun 9/216:50 pmCOS - STL

1 stop5h 25mSouthwest

Deal found 5/15

$342

Mon 6/27:19 pmSTL - COS

1 stop5h 26mAmerican Airlines

Mon 6/95:01 pmCOS - STL

1 stop4h 59mAmerican Airlines

Deal found 5/15

$361

Best flights from St. Louis to Colorado Springs
Discover carefully curated flight deals from St. Louis to Colorado Springs that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2025.

Sat 6/286:30 amSTL - COS

1 stop4h 32mDelta

Tue 7/16:00 amCOS - STL

1 stop7h 37mDelta

Deal found 5/15

$285

Sat 5/319:10 amSTL - COS

1 stop6h 27mUnited Airlines

Wed 6/43:47 pmCOS - STL

1 stop4h 01mUnited Airlines

Deal found 5/15

$327

Fri 9/199:50 amSTL - COS

2 stops6h 55mSouthwest

Sun 9/216:50 pmCOS - STL

1 stop5h 25mSouthwest

Deal found 5/15

$342

Mon 6/27:19 pmSTL - COS

1 stop5h 26mAmerican Airlines

Mon 6/95:01 pmCOS - STL

1 stop4h 59mAmerican Airlines

Deal found 5/15

$361

Last-minute flights from St. Louis to Colorado Springs
Discover last-minute flight deals from St. Louis to Colorado Springs. Data last updated May 15, 2025 and is based on user searches.

Wed 5/216:00 amSTL - COS

1 stop6h 25mUnited Airlines

Sat 5/245:20 pmCOS - STL

1 stop5h 39mUnited Airlines

Deal found 5/15

$522

Wed 5/2110:36 amSTL - COS

1 stop6h 16mAmerican Airlines

Fri 5/234:43 pmCOS - STL

1 stop5h 02mAmerican Airlines

Deal found 5/15

$631

Wed 5/2111:32 amSTL - COS

2 stops8h 21mDelta

Fri 5/238:00 amCOS - STL

2 stops11h 39mDelta

Deal found 5/15

$903

Sat 5/319:10 amSTL - COS

1 stop6h 27mUnited Airlines

Wed 6/43:47 pmCOS - STL

1 stop4h 01mUnited Airlines

Deal found 5/15

$327

Mon 6/27:19 pmSTL - COS

1 stop5h 26mAmerican Airlines

Mon 6/95:01 pmCOS - STL

1 stop4h 59mAmerican Airlines

Deal found 5/15

$361

Sat 6/286:30 amSTL - COS

1 stop4h 32mDelta

Tue 7/16:00 amCOS - STL

1 stop7h 37mDelta

Deal found 5/15

$285

Sat 6/282:00 pmSTL - COS

2 stops10h 20mSouthwest

Tue 7/14:45 pmCOS - STL

1 stop6h 10mSouthwest

Deal found 5/15

$364

One-way flights from St. Louis to Colorado Springs
Search for one-way flight options from St. Louis to Colorado Springs. Find affordable one-way fares based on user searches. Data last updated May 15, 2025.

Sat 6/75:37 amSTL - COS

1 stop5h 23mAmerican Airlines

Deal found 5/14

$146

Fri 10/245:55 amSTL - COS

1 stop6h 55mSouthwest

Deal found 5/15

$164

Fri 10/243:30 pmSTL - COS

2 stops9h 20mUnited Airlines

Deal found 5/15

$195

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Sat 6/28

6:30 am-10:02 am

1 stop4h 32m

Colorado Springs

Tue 7/1

6:00 am-2:37 pm

1 stop7h 37m

$285

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Sat 5/31

9:10 am-2:37 pm

1 stop6h 27m

Colorado Springs

Wed 6/4

3:47 pm-8:48 pm

1 stop4h 01m

$327

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 9/19

9:50 am-3:45 pm

2 stops6h 55m

Colorado Springs

Sun 9/21

6:50 pm-1:15 am

1 stop5h 25m

$342

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Mon 6/2

7:19 pm-11:45 pm

1 stop5h 26m

Colorado Springs

Mon 6/9

5:01 pm-11:00 pm

1 stop4h 59m

$361

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Sat 6/7

5:37 am-10:00 am

1 stop5h 23m

$146

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 10/24

5:55 am-11:50 am

1 stop6h 55m

$164

St. LouisColorado Springs

STL - COS

STLCOS

Lambert-St Louis

Fri 10/24

3:30 pm-11:50 pm

2 stops9h 20m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Compare providers for flights from St. Louis to Colorado Springs

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Colorado Springs in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Colorado Springs flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Colorado Springs flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Colorado Springs flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Colorado Springs flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Colorado Springs flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Colorado Springs from St. Louis 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 St. Louis to Colorado Springs

How far ahead should I book a flight from St. Louis to Colorado Springs?

The price you pay for your flight from St. Louis to Colorado Springs may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Colorado Springs (average of $316). Flying from St. Louis to Colorado Springs in June is currently the most expensive (average of $421). 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.

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

One of the essential ways to save on airfare from St. Louis to Colorado Springs is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

Rainfall in Colorado Springs by month

In terms of precipitation, rainfall in Colorado Springs ranges from 0.3 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. January is typically the driest time to visit Colorado Springs when rainfall is around 0.3 in.

Temperature in Colorado Springs by month

If weather is an important factor for your trip to Colorado Springs, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado Springs

Read reviews from past customers who have flown Southwest, Delta and United Airlines from St. Louis to Colorado Springs. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,291 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,946 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,731 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Colorado Springs round-trip?
Flying on Delta is currently your cheapest option to Colorado Springs, with prices starting at $285. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $327 and $342, respectively. Delta is priced at 21% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from St. Louis to Colorado Springs one-way?
To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $146. Southwest flights start at $164 while deals on United Airlines start at $195 one-way.
Can I find deals for flights from St. Louis to Colorado Springs that include hotel bookings?
Yes. In addition to deals on St. Louis to Colorado Springs flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Colorado Springs?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Colorado Springs.
Can I find deals for business class flights from St. Louis to Colorado Springs?
Yes. Cheapflights offers flight deals from St. Louis to Colorado Springs 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 St. Louis to Colorado Springs?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Colorado Springs (average of $316). Flying from St. Louis to Colorado Springs in June is currently the most expensive (average of $421). 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.

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Top 4 airlines flying from St. Louis to Colorado Springs

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$246	Average$326	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$246	Average$383	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$256	Average$396	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$296	Average$371	FlexibilityNo cancel fee	On-time63%

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$146+ Cheap flights from St. Louis to Colorado Springs (STL - COS)

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Colorado Springs are usually found in November or February, booked 78 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from St. Louis to Colorado Springs

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Colorado Springs

Cheapest flights from St. Louis to Colorado SpringsExplore the most affordable flight options available from St. Louis to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.

Explore the most affordable flight options available from St. Louis to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from St. Louis to Colorado Springs

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Colorado Springs in May.

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

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

Cheapflights Insights

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

How far ahead should I book a flight from St. Louis to Colorado Springs?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Colorado Springs. Price data was last updated on May 9, 2025.

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

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

Find hourly flight availability from St. Louis to Colorado Springs. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2025.

Rainfall in Colorado Springs by month

Plan your trip to Colorado Springs by taking into account the average rainfall totals by month.

Temperature in Colorado Springs by month

Plan your trip to Colorado Springs by taking into account the average temperature totals by month.

Reviews of airlines servicing Colorado Springs

Read reviews from past customers who have flown Southwest, Delta and United Airlines from St. Louis to Colorado Springs. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

What are the cheapest airlines to fly from St. Louis to Colorado Springs one-way?

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

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

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

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

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Top 4 airlines flying from St. Louis to Colorado Springs

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Cheapest flights from St. Louis to Colorado Springs
Explore the most affordable flight options available from St. Louis to Colorado Springs. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.