Cheap flights from St. Louis to Denver from $109
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Denver departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from St. Louis to Colorado Springs
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How to get the cheapest flight ticket from St. Louis to Colorado Springs
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Colorado Springs?
The month of February is another great option to travel to Colorado Springs, with average flight prices from St. Louis averaging around $326.
What is the cheapest day to depart on your flight to Colorado Springs?
The cheapest day to depart from St. Louis to Colorado Springs is on a Wednesday when prices can be found for as low as $346. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Colorado Springs for around $455.
What is the cheapest time of day to depart on your flight to Colorado Springs?
Flying to Colorado Springs from St. Louis at noon is the least expensive time of day to depart. momondo users have found prices as low as $349 when looking at flights departing at noon. Flights to Colorado Springs are more costly in the afternoon, with an average ticket price of $426. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Colorado Springs?
You are more likely to see cheaper flights to Colorado Springs from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado Springs for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado Springs from St. Louis for as low as $284 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Colorado Springs?
Southwest, American Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Colorado Springs
What airlines fly to Colorado Springs?
Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Colorado Springs from St. Louis according to our data. Frontier is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Colorado Springs. Keep in mind that there are 5 different airlines that fly to Colorado Springs on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Colorado Springs
Cheap St. Louis to Colorado Springs (STL to COS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Colorado Springs
Best Price Found | $109 |
|---|---|
Fastest flight time | 3h 50m |
Direct flights | None |
Airports in Colorado Springs | 1 airport |
How far is Lambert-St Louis to Colorado Springs by plane?
A flight from Lambert-St Louis to Colorado Springs will travel around 786.9 mi. In terms of flight time, this usually takes a little over 3h 50m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Colorado Springs Airport?
Prices for flights from Lambert-St Louis Airport to Colorado Springs Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Colorado Springs Airport?
As of July 2025, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Colorado Springs Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Colorado Springs Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Colorado Springs Airport.
What documentation or ID do you need to fly to Colorado Springs Airport?
The travel and health documents required for your trip to Colorado Springs Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado Springs Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from St. Louis to Colorado Springs?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Colorado Springs is Southwest (40% of total bookings). The next most popular airlines are United Airlines (31%), American Airlines (22%), and Delta (8%).
Best airlines flying from St. Louis to Colorado Springs
Compare and see reviews for airlines that fly from St. Louis to Colorado Springs with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $246 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $271 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 4,270 reviews |
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Colorado Springs?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Colorado Springs for you.
Can I find flights from St. Louis to Colorado Springs with flexible booking policies on momondo?
Flights from St. Louis to Colorado Springs with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Colorado Springs?
momondo provides multiple filters to help you find the best flight to Colorado Springs from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Colorado Springs right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Colorado Springs from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.