St. Louis (STL) to Colorado Springs (COS) at a glance

Travelers can choose from a variety of airlines offering Colorado Springs flights from St. Louis (STL) to Colorado Springs (COS) on this convenient domestic route. Whether you prefer full-service carriers or are looking for cheap flights from St. Louis, you can compare options to discover the best itinerary that suits your budget and schedule. Explore the notable attractions and neighborhoods of Colorado Springs while finding essential details for your journey from Lambert-St. Louis International Airport to Colorado Springs Airport.

• Fastest (typical) flight duration: around 3h 30m in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 800 miles (1,290 km)
• Flights per week: around 9 departures on average
• Typical fares (one-way): economy tickets often range from $110–$380, depending on seasonality and how far ahead you book

Flights from Lambert-St. Louis International Airport (STL) to Colorado Springs Airport (COS)

Based on the latest traveler bookings, here are the top airlines preferred for flights from St. Louis to Colorado Springs, typically chosen for their one-stop options. Common layover points include Denver International Airport (DEN) with a layover of about 1 hour and 30 minutes, Dallas-Fort Worth International Airport (DFW) with roughly a 1 hour and 15 minutes layover, and Love Field Airport (DAL) which offers a 1-hour layover. These choices allow you to mix and match price, total travel time, and cabin class for your ideal itinerary.

• Southwest Airlines: Known for its budget-friendly travel options, this low-cost airline provides one-stop services, with one-way ticket prices usually between $110 and $360. It makes up around 41% of flights on this route, featuring an in-flight duration of 3 hours and 30 minutes, leading to a total travel time of about 5 hours when including the layover.
• United: As a full-service airline, United offers one-stop flights with one-way fares typically ranging from $125 to $380. Representing roughly 30% of departures on this route, its in-flight time also lasts 3 hours and 30 minutes, resulting in a complete journey time of approximately 5 hours, factoring in the layover.
• American Airlines: This full-service carrier provides one-stop travel options, with one-way fares generally between $110 and $400. Accounted for about 22% of flights on this route, it features an in-flight duration of 3 hours and 30 minutes, leading to an overall travel time of around 5 hours, including the layover.
• Delta: Representing a smaller share of the market, Delta is a full-service airline offering one-stop services, with one-way ticket prices typically falling between $110 and $295. It makes up approximately 6% of departures on this route, with a flight time of 3 hours and 30 minutes and a total travel time of about 5 hours including layover time.

Best time to fly from St. Louis (STL) to Colorado Springs (COS)

The most popular months for travelers flying from St. Louis to Colorado Springs are March, April, and October, when peak temperatures in Colorado Springs reach up to 46.9°F in October. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 52.5°F. For better deals, September usually offers the lowest average one-way fare around $192. Flight availability peaks in April, with approximately 11 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 7 flights per week.

• Cheapest time to fly: September usually offers good deals with average one-way fare around $192, roughly 14% cheaper than the yearly average.
• More budget-friendly months to fly: October and August typically offer average one-way fares of around $202.
• Most flight options: April has the highest number of flights from St. Louis to Colorado Springs, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	26.2°F (-3.2°C)	Moderately Low	7	$231
February	27.0°F (-2.8°C)	Average	8	$222
March	36.3°F (2.4°C)	Moderately High	10	$244
April	43.3°F (6.3°C)	Moderately High	11	$232
May	52.5°F (11.4°C)	Moderately Low	8	$216
June	64.9°F (18.3°C)	Average	10	$216
July	68.7°F (20.4°C)	Average	9	$227
August	67.1°F (19.5°C)	Average	9	$207
September	61.3°F (16.3°C)	Average	10	$192
October	46.9°F (8.3°C)	Moderately High	10	$198
November	36.0°F (2.2°C)	Average	10	$235
December	26.8°F (-2.9°C)	Moderately Low	8	$268

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from St. Louis (STL) to Colorado Springs (COS)

• St. Louis to Denver (STL-DEN): Denver International Airport (DEN) is located approximately 73 miles from Colorado Springs Airport (COS). The one-way economy ticket prices for this route generally fall between $45 and $380, influenced by the time of year and how early you book your flight. Travelers can choose from both non-stop and one-stop flight options on this route. Major airlines operating here include United and Southwest Airlines, the latter being a budget carrier. Additionally, first-class service is also offered on this route.

How to find the best prices for flights from St. Louis (STL) to Colorado Springs (COS)

Getting some of the best deals on flights from St. Louis to Colorado Springs is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Morning departures between 5 am and 12 pm tend to be the least expensive and are also popular. Additionally, flying on Wednesday generally offers lower prices, although Friday remains the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Colorado Springs Airport from Lambert-St. Louis International Airport

Colorado Springs welcomes travelers from St. Louis with a range of transport options based on price, convenience, and proximity. Here's how to reach Colorado Springs efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Colorado Springs, with private rides that can be arranged in advance.
• Car rental: Renting a car from Colorado Springs Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Colorado Springs Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Colorado Springs Airport, Colorado Springs Bus Station, a bus station, is about 7 miles from the airport.