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COS - STL

Find cheap flights from Colorado Springs to St. Louis from $146

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Colorado Springs to St. Louis departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
dom. 5/19
dom. 5/26

Search hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Colorado Springs to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Colorado Springs to St. Louis, as well as popular online travel agencies
In the last 7 days travelers have searched 44,553,814 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from Colorado Springs to St. Louis (COS-STL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado Springs to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:00 am - 2:57 pmCOS-STL
7h 57m1 stop
6:15 am - 10:21 amSTL-COS
5h 06m1 stop
$230Delta
Find Deal
jue., jul. 4 - mar., jul. 9
6:00 am - 2:57 pmCOS-STL
7h 57m1 stop
6:15 am - 10:21 amSTL-COS
5h 06m1 stop
$255Delta
Find Deal
jue., jul. 4 - lun., jul. 8
6:00 am - 2:13 pmCOS-STL
7h 13m1 stop
5:21 am - 10:00 amSTL-COS
5h 39m1 stop
$277American Airlines
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sáb., may. 18 - mar., may. 21
5:08 pm - 11:00 pmCOS-STL
4h 52m1 stop
6:37 pm - 11:49 pmSTL-COS
6h 12m1 stop
$341American Airlines
Find Deal
vie., may. 3 - dom., may. 5
4:52 pm - 10:59 pmCOS-STL
5h 07m1 stop
5:21 am - 10:00 amSTL-COS
5h 39m1 stop
$344American Airlines
Find Deal
vie., may. 17 - lun., may. 20
6:50 am - 2:47 pmCOS-STL
6h 57m1 stop
3:27 pm - 8:37 pmSTL-COS
6h 10m1 stop
$361Delta
Find Deal
sáb., may. 4 - mar., may. 7
5:15 pm - 10:11 pmCOS-STL
3h 56m1 stop
5:30 pm - 10:34 amSTL-COS
18h 04m2 stops
$414United Airlines
Find Deal
jue., jul. 4 - lun., jul. 8
7:15 am - 12:49 pmCOS-STL
4h 34m1 stop
5:30 pm - 8:39 amSTL-COS
16h 09m2 stops
$436United Airlines
Find Deal
jue., jul. 4 - mar., jul. 9
10:00 am - 9:09 pmCOS-STL
10h 09m1 stop
5:25 pm - 8:54 amSTL-COS
16h 29m2 stops
$459United Airlines
Find Deal
vie., may. 17 - lun., may. 20
3:20 pm - 9:09 pmCOS-STL
4h 49m1 stop
5:25 pm - 8:54 amSTL-COS
16h 29m2 stops
$523United Airlines
Find Deal
sáb., may. 18 - mar., may. 21

Flights from Colorado Springs to St. Louis - Travel Insights & Trends

Get data-powered insights and trends into flights from Colorado Springs to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Colorado Springs to St. Louis?

The average price of all flights from Colorado Springs to St. Louis clicked on KAYAK for each day over the last 12 months.
For Colorado Springs to St. Louis, Tuesday is the cheapest day to fly on average and Monday is the most expensive. Flying from St. Louis back to Colorado Springs, the best deals are generally found on Wednesday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Colorado Springs to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Colorado Springs to St. Louis is February, where tickets cost $314 on average. On the other hand, the most expensive months are July and November, where the average cost of tickets is $600 and $579 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Colorado Springs to St. Louis, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Colorado Springs to St. Louis, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 39 days before departure.

Which airlines provide the cheapest flights from Colorado Springs to St. Louis?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to St. Louis from Colorado Springs were found on American Airlines ($146) and Delta ($223), and the lowest round-trip tickets were found on Delta ($230) and American Airlines ($277).

Good to know

Low season

January

High season

December

Cheapest flight

$146
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 18% lower on average.
Flight from Colorado Springs to St. Louis

When to book flights from Colorado Springs to St. Louis

Are your dates flexible? Find out the best times to travel from Colorado Springs to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Colorado Springs to St. Louis

  • What is the cheapest flight from Colorado Springs to St. Louis?

    In the last 3 days, the lowest price for a flight from Colorado Springs to St. Louis was $146 for a one-way ticket and $230 for a round-trip.

  • Do I need a passport to fly between Colorado Springs and St. Louis?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Colorado Springs to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Colorado Springs to St. Louis?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Colorado Springs and St. Louis, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Colorado Springs to St. Louis, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Colorado Springs to St. Louis are United Airlines and American Airlines. With an average price for the route of $384 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $350 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Colorado Springs to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado Springs to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado Springs to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Colorado Springs is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado Springs to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Colorado Springs with another airline. Booking your flights between Colorado Springs and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado Springs to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Colorado Springs up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airlines flying from Colorado Springs to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Colorado Springs to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Colorado Springs to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 11333 reviews
7.1entertainment
7.2comfort
7.7boarding
8.1crew
6.7food
Airline reviews

Too many fees (but that seems to apply to all airlines nowadays)

8.0 ExcellentAndrew, Apr 2024DEN - LAX
Read more about United Airlines reviews

Too many fees (but that seems to apply to all airlines nowadays)

It was delayed several hours which delayed our connection in Denver. Not happy.

Flight was on time. Staff were friendly. I paid for Economy Plus but was required to check my standard carry-on luggage due to lack of space on the aircraft. This cost me 30 minutes, unexpectedly, in waiting at the baggage claim. This experience did not meet my expectations.

Everything was very good. Boarding and takeoff were on time and organized. Had a good flight

Wheelchair assistance was not complete. The person left me at the departure gate without informing the groundstaff of my requirements. I had to walk to the departure counter to ask for help to reach the plane door. The crew informed me that in future they were not allowed to help passengers like me, senior citizen and Wheelchair passenger with placing their carry on bags in the overhead compartments!

Flight was delayed by over an hour and gate checked bags took 15 minutes to be delivered to the jet bridge.

Seats are way too snug for my hip to knee ratio and the recline on the seat in front of me made my experience worst. My legs had no room at all. Not a plane for people 6 ft or over unless you fly first class.

Delayed for maintenance issue?? Should have been addressed before boarding. Put my bag on an earlier flight, but didn’t ask if I wanted to change to an earlier flight. Arrived to find my bag locked up and no agent to be found when I landed.

We learned certain countries (a few) require a notarized letter from an ex to give permission for children to travel to those countries with the other spouse together with birth certificates. To find this out one hour before flying—not good. Nowhere is it documented by the airlines though they require it. Make sure about all documentation required.

You could have been ON TIME! And I was miffed because I spent an extra $82 to get my seat and the steward put a woman from the back in my aisle for nothing because her movies wouldn’t work. I’ll try that next time and save $82!

Comfort of seats, ease of boarding. Food selection could be better

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

Flight was fine. It took an unusually long time to have baggage delivered to the carousel in ORD.

No problems with flight. Even though I had a short layover in DFW, I was still able to easily make my connection.

American Airlines continues to price it can provide the least comfortable passenger experience in the air. This legacy carrier rivals the budgets for both terrible seats and inadequate amenities. I am a 5’7” woman who is not wider than a coach seat (even on these narrow bodied aircraft). My 3.5 hour flight was terribly uncomfortable because the leg room is inadequate (my knees hit the seat on front of me even when it was not reclined); the seat barely reclines; and the foam padding is worn thin to the extent one can feel the metal supports of the seat. Add to this the fact that the aisle is super narrow, so that the drink cart literally scrapes the arm rest of the aisle seat. It’s basically torture.

Food options were limited which is absolutely embarrassing for a Flight of this size The staff did not come around as much and I am not accustomed to such poor service from American Airlines Drinks I believe were limited to soda and water

Plane took off without me, my stepdad and a dozen other passengers. It went from an hour delay to boarding in 15 montures without notifying anyone. Names were not called overhead. Now I’m missing a day of work and stuck in Charolette overnight paying for a hotel and Ubers out of pocket

I arrived to the airport 2 hours before my American Airlines flight was scheduled to take off. I have TSA pre-check. The airport was crazy packed when I arrived. After momentarily standing in the pre-check line, the TSA agent said that I am not pre-check. Of course I said that I am because I entered my KTN number on all my traveling sites and programs. I had to get out of line and go back to the AA counter to discover that American Airlines did not add my KTN to my boarding pass. I had to call TSA to find out my number, then have AA enter it onto my boarding pass. The emblem would not load onto my boarding pass. By this time, I decided to use my Clear in order to get through TSA but the line was ridiculous long. By the time I made through TSA, I missed my 11:08am flight and was re-booked for the 5:30pm. This is after the AA employee told me I should have gotten to the airport early. AA use to be a dependable airline not I use them only if I have too.

Average - flew with Jet Blue internal and it was far more comfortable and better food and entertainment. Notable difference

Flight from SBP to DFW 1. They rerouted us through PHX 2. Delayed flight out of SBP for 3 hrs so we missed our connection Downgrade on rerouted flight. Back of the plane, center seats, didn't sit together 4. Return flight out of DFW same exact thing. Delayed, missed connection, Downgrade + they lost our luggage! A complete mess.

Book cheap flights from Colorado Springs to St. Louis

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Colorado Springs to St. Louis found on KAYAK in the last 72 hours.
5/25sáb.
1 stopAmerican Airlines
5h 07mCOS-STL
$146
6/9dom.
2 stops
18h 31mCOS-STL
$186
6/8sáb.
1 stopAmerican Airlines
5h 03mCOS-STL
$193
6/8sáb.
1 stopAmerican Airlines
5h 03mCOS-STL
$198
6/8sáb.
2 stopsDelta
12h 35mCOS-STL
$223
6/9dom.
3 stops
20h 00mCOS-STL
$251
4/25jue.
1 stopUnited Airlines
5h 19mCOS-STL
$277
5/25sáb.
2 stopsUnited Airlines
18h 46mCOS-STL
$294
5/25sáb.
3 stopsLufthansa
27h 10mCOS-STL
$2,589
6/8sáb.
3 stopsLufthansa
31h 57mCOS-STL
$2,744

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Last minute flights from Colorado Springs to St. Louis

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Colorado Springs to St. Louis that are departing in the next 10 days.
4/22lun.
multi-stopUnited Airlines
5h 38mCOS-STL
4/29lun.
multi-stopUnited Airlines
6h 11mSTL-COS
$596
4/22lun.
multi-stopAmerican Airlines
7h 17mCOS-STL
4/24mié.
multi-stopAmerican Airlines
6h 12mSTL-COS
$616
4/22lun.
multi-stopUnited Airlines
4h 23mCOS-STL
4/29lun.
multi-stopUnited Airlines
9h 08mSTL-COS
$786
4/22lun.
multi-stopUnited Airlines
4h 41mCOS-STL
4/24mié.
multi-stopUnited Airlines
9h 08mSTL-COS
$881
4/22lun.
multi-stopDelta
14h 26mCOS-STL
4/29lun.
multi-stopDelta
10h 12mSTL-COS
$1,127
4/22lun.
multi-stopUnited Airlines
10h 49mCOS-STL
4/24mié.
multi-stopUnited Airlines
9h 44mSTL-COS
$1,588

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Colorado Springs - St. Louis Flights

Departure:

Colorado Springs (COS)United States

Destination:

St. Louis (STL)United States

Return flight deals:

St. Louis - Colorado Springs

Cabin classes: