$104 Cheap Flights from St. Louis (STL) to Colorado Springs (COS)

View $104 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Colorado Springs Airport (COS)

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

Prices were available within the past 7 days and start at $104 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Oct 30 - Mon, Nov 3
STL
St. Louis
COS
Colorado Springs
$217 Roundtrip, found 4 hours ago
$217
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Thu, Oct 30 from St. Louis to Colorado Springs, returning Mon, Nov 3, priced at $217 found 4 hours ago
Delta
Wed, Dec 3 - Thu, Dec 11
STL
St. Louis
COS
Colorado Springs
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Wed, Dec 3 from St. Louis to Colorado Springs, returning Thu, Dec 11, priced at $217 just found
American Airlines
Thu, Oct 30 - Mon, Nov 3
STL
St. Louis
COS
Colorado Springs
$220 Roundtrip, found 4 hours ago
$220
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Oct 30 from St. Louis to Colorado Springs, returning Mon, Nov 3, priced at $220 found 4 hours ago
Southwest Airlines
Thu, Oct 30 - Fri, Oct 31
STL
St. Louis
COS
Colorado Springs
$222 Roundtrip, found 12 hours ago
$222
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Thu, Oct 30 from St. Louis to Colorado Springs, returning Fri, Oct 31, priced at $222 found 12 hours ago
American Airlines
Thu, Oct 30 - Fri, Oct 31
STL
St. Louis
COS
Colorado Springs
$222 Roundtrip, found 12 hours ago
$222
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Oct 30 from St. Louis to Colorado Springs, returning Fri, Oct 31, priced at $222 found 12 hours ago
Southwest Airlines
Thu, Oct 30 - Fri, Oct 31
STL
St. Louis
COS
Colorado Springs
$222 Roundtrip, found 12 hours ago
$222
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Thu, Oct 30 from St. Louis to Colorado Springs, returning Fri, Oct 31, priced at $222 found 12 hours ago
Delta
Tue, Jan 13 - Mon, Jan 26
STL
St. Louis
COS
Colorado Springs
$222 Roundtrip, just found
$222
Roundtrip
just found
Select Delta flight, departing Tue, Jan 13 from St. Louis to Colorado Springs, returning Mon, Jan 26, priced at $222 just found
American Airlines
Thu, Oct 30 - Fri, Oct 31
STL
St. Louis
COS
Colorado Springs
$225 Roundtrip, found 12 hours ago
$225
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Oct 30 from St. Louis to Colorado Springs, returning Fri, Oct 31, priced at $225 found 12 hours ago
United
Wed, Nov 5 - Tue, Nov 11
STL
St. Louis
COS
Colorado Springs
$227 Roundtrip, found 5 days ago
$227
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from St. Louis to Colorado Springs, returning Tue, Nov 11, priced at $227 found 5 days ago
Delta
Sat, Jan 17 - Mon, Jan 26
STL
St. Louis
COS
Colorado Springs
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Delta flight, departing Sat, Jan 17 from St. Louis to Colorado Springs, returning Mon, Jan 26, priced at $227 just found

Find the cheapest month to fly from St. Louis (STL) to Colorado Springs (COS)

October is typically the cheapest month to fly

From $176 - $581 per traveler.

Alternative airports near Colorado Springs

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Colorado Springs Airport COS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $407
COS
Colorado Springs Airport
CheapestClosest
Average driving time to city center16 min
Flights from $407

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS) cost?
Snag a cheap one-way flight from $104 or cheap return flight from $217 from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS)?
October is the cheapest month to fly from STL to COS. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from STL to COS. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS)?
There are no daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from STL to COS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS) last-minute?
Last-minute fares from STL to COS are typically more expensive. To lock in the best prices, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare right before your trip.
Is it cheaper to book a STL to COS flight and hotel package?
You'll generally save money by booking a STL to COS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Colorado Springs Airport (COS)?
Generally, it's possible to reschedule or cancel your STL to COS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Colorado Springs
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$216
Distance
771 mi
Average flight time
8 hours 10 mins

Book with confidence

Book with confidence

St. Louis to Colorado Springs Flights

The cheapest times to fly from St. Louis to Colorado Springs

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Colorado Springs are during the month of October. You can find some of the cheapest flights from St. Louis to Colorado Springs with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Colorado Springs

Sunday is one of the best days to book for cheap flights from St. Louis to Colorado Springs: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Colorado Springs

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Colorado Springs in 2025. You can also book with separate airlines for your outbound and return journeys, from $104 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Colorado Springs flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Colorado Springs airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Colorado Springs Flights

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*Available to One Key members.