COS - STL

$119 Find Cheap Flights from Colorado Springs to St. Louis - Compare and Save

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 7/8. 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
1 adult, Economy, 0 bags

KAYAK searches 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

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

Everything you should know

Cheapest round-trip
$298
Typical prices: $401-$371
Southwest
Tue 6/30Fri 7/3
COS - STL • 1 stop
Cheapest one-way
$119
Typical prices: $164-$186
Delta
Wed 7/8
COS - STL • 1 stop
Top airlines
Cheapest • from $239 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Colorado Springs and St. Louis. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $234 (round-trip)
Shortest trip • 4h 32m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights 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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Colorado Springs to St. Louis

Tue, Jun 30 - Fri, Jul 3
Southwest Logo
6:10 pm - 11:40 pm
COS
-
STL
4h 30m
1 stop
Southwest Logo
7:45 pm - 1:15 am
STL
-
COS
6h 30m
1 stop
$298Southwest
Tue, Jun 30 - Fri, Jul 3
Southwest Logo
6:10 pm - 11:40 pm
COS
-
STL
4h 30m
1 stop
Southwest Logo
3:20 pm - 1:15 am
STL
-
COS
10h 55m
2 stops
$303Southwest
Thu, Jul 9 - Tue, Jul 14
Southwest Logo
4:55 pm - 10:45 pm
COS
-
STL
4h 50m
1 stop
Southwest Logo
6:40 pm - 9:45 pm
STL
-
COS
4h 05m
1 stop
$312Southwest
Sat, Jul 4 - Fri, Jul 10
Southwest Logo
10:30 am - 6:05 pm
COS
-
STL
6h 35m
1 stop
Southwest Logo
2:15 pm - 8:15 pm
STL
-
COS
7h 00m
1 stop
$317Southwest
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
10:27 am - 4:34 pm
COS
-
STL
5h 07m
1 stop
United Airlines Logo
5:10 am - 10:44 am
STL
-
COS
6h 34m
1 stop
$319United Airlines
Sat, Jul 4 - Fri, Jul 10
Southwest Logo
5:55 am - 2:35 pm
COS
-
STL
7h 40m
2 stops
Southwest Logo
2:15 pm - 8:15 pm
STL
-
COS
7h 00m
1 stop
$322Southwest
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
10:27 am - 10:00 pm
COS
-
STL
10h 33m
2 stops
United Airlines Logo
5:10 am - 8:40 am
STL
-
COS
4h 30m
1 stop
$324United Airlines
Wed, Jul 15 - Tue, Jul 21
United Airlines Logo
6:32 pm - 11:57 pm
COS
-
STL
4h 25m
1 stop
United Airlines Logo
6:00 am - 11:09 am
STL
-
COS
6h 09m
1 stop
$327United Airlines
Thu, Aug 27 - Fri, Sep 4
Southwest Logo
6:00 am - 11:50 am
COS
-
STL
4h 50m
1 stop
Southwest Logo
5:15 am - 1:35 pm
STL
-
COS
9h 20m
1 stop
$334Southwest
Thu, Aug 27 - Fri, Sep 4
Southwest Logo
5:30 am - 2:05 pm
COS
-
STL
7h 35m
2 stops
Southwest Logo
5:15 am - 1:35 pm
STL
-
COS
9h 20m
1 stop
$339Southwest
Booking Insights

KAYAK's insights & trends for Colorado Springs to St. Louis flights

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.

How much is a round-trip flight from Colorado Springs to St. Louis?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Colorado Springs to St. Louis departing in June.

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 round-trip 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 November, where tickets cost $281 (return) on average. On the other hand, the most expensive months are August and January, where the average cost of round-trip tickets is $546 and $535 respectively.

Good to know

Low seasonJanuary
Cheapest flight$119
Best time to beat the crowds but there is an average 30% increase in price.
Most popular time to fly with an average 3% increase in price.
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 5 days, the lowest price for a flight from Colorado Springs to St. Louis was $119 for a one-way ticket and $239 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?

    Star Alliance is the only airline alliance operating flights between Colorado Springs and St. Louis.

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

    The two airlines most popular with KAYAK users for flights from Colorado Springs to St. Louis are Southwest and United Airlines. With an average price for the route of $412 and an overall rating of 7.9, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $383 and an overall rating of 7.4.

  • 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.

Reviews of the 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.
7.9
SouthwestOverall score based on 4237 reviews
8.0Comfort
8.6Crew
7.5Entertainment
8.1Boarding
7.0Food
Airline reviews

there were two flight attendants that were up front...that were the best! They get KUDOs for making my trip only fantastic. Tell them Jeff said that!

10.0 ExcellentAnonymous, Jun 2026
OKC - LAS
Read more Southwest reviews

there were two flight attendants that were up front...that were the best! They get KUDOs for making my trip only fantastic. Tell them Jeff said that!

OKay. I sat in the back of the plane and it was really loud between babies and little kids, and adults who.like to talk a lot and loudly most of the flight.

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Was fine, delayed and feels like southwest is always late

I don't know why flying out of Sarasota requires two plane changes.

The first time I flew in the extra legroom section. It was difficult to notice a difference. I had bad luck with my neighbors. The crew was okay. Southwest has reduced the live TV options.

The flight was smooth. The Southwest experience has degraded overall, but this one was okay.

No gluten free snacks. Seats felt worn or bare bones even though it was a new 737 MAX 8.

One major problem that was very unprofessional and uncalled for. Plane landed and we had to wait 20 minutes to get off the plane since they were waiting for someone to come to the gate to drive the jetway. Southwest couldn't have someone available and waiting for the plane to land? Is there only one person in Hobby airport who knows to drive the jetway? Was he at lunch? In the bar? Uncomfortable and uncalled for!

The checking experience in Orlando was terrible, almost missed the flight. Too many travelers and Southwest completely understaffed.

Destroyed my suitcase. Tired of talking about it. Cancelling my unite mileage plus account.

New plane was lovely. Crew customer service is always lax but expected. Kraft on time and arrived safely.

It was a short flight so I was expecting too much

Had a one hour delay due to mechanical issue. I didn’t think I’d be able to make my connecting flight, but they waited for me and greeted me when I arrived to help things run smooth.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Really hard landing... as in slammed into the runway then hit the brakes really hard ...

Every staff member was professional, friendly and courteous. The pizza twist was ok. It was warm but too much dough.

Wonderful in-seat entertainment with seatback screens and huge selection of quality movies. The ability to bluetooth connect headphones was amazing.

Flight left on time and we arrived 25 minutes early! There was a gate available when we arrived so early on a busy Sunday afternoon! Flight attendants came around twice with the drinks cart.

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

Information on your arrival and departure airports