Cheap flights from St Louis to Colorado Springs Peterson Field

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Find the cheapest month or even day of the year to fly to Colorado Springs Peterson Field

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Find the cheapest month to fly from St Louis to Colorado Springs Peterson Field

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Colorado Springs Peterson Field flights are currently cheapest in January.

St Louis to Colorado Springs Peterson Field: Alternative routes

Compare routes from St Louis to Colorado Springs below. You may find an airport to fly into that's cheaper, faster, or easier than Colorado Springs Peterson Field.

St Louis to Colorado Springs: Flight information

The things to know before you go.
Cheapest flight found$188
Cheapest month to flyJanuary

Finding cheap flights from St Louis to Colorado Springs Peterson Field: Frequently asked questions

The best price we found for a return flight from St Louis to Colorado Springs Peterson Field is $367. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Colorado Springs Peterson Field. But we found flights with one or more stops from $367.
As of December 2025, there are no flights flying from St Louis to Colorado Springs Peterson Field.
The cheapest month to fly from St Louis to Colorado Springs Peterson Field is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Colorado Springs Peterson Field Airport on Saturday, 7 February 2026.
No airlines currently offer direct flights between St Louis Airport and Colorado Springs Peterson Field Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Colorado Springs Peterson Field but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Colorado Springs is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Colorado Springs Peterson Field.

Travelling from Lambert-St. Louis International Airport (STL) to Colorado Springs Municipal Airport (COS): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to board your STL to COS flight.

  • You'll likely experience longer lines in popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • Consider adding a stopover when booking your ticket from Lambert-St. Louis International Airport to Colorado Springs Municipal Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here's where you can stop between STL and COS:

    • Denver International Airport

    • Dallas Love Field Airport

    • Dallas/Fort Worth International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Colorado Springs Municipal Airport (COS)

  • $188 is the best price for a one-way Lambert-St. Louis International Airport to Colorado Springs Municipal Airport flight. A return flight starts from $367. These prices may change based on availability.

  • To get your hands on cheap tickets from STL to COS, book early. Airlines generally offer their best fares when flights are first released.

  • Finding cheap flights from Lambert-St. Louis International Airport to Colorado Springs Municipal Airport is easier if you can be flexible with your travel dates. Use the 'Whole month' search function to see the lowest fares throughout the month and snap up a great deal.

  • Landing cheap flights from STL to COS is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Tailor your trip using filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Colorado Springs Municipal Airport.

Handy information about Lambert-St. Louis International Airport (STL)

  • STL is located at 10701 Lambert International Blvd..

  • Of all flights departing from Lambert-St. Louis International Airport, 78.04% arrive on time at their destination.

  • Lambert-St. Louis International Airport is about 26 kilometres from central St Louis. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Planning to catch public transport? You can expect a journey time of around 35 minutes.

  • Get your break off to a relaxed start by staying near STL. Whether you're boarding an early flight from Lambert-St. Louis International Airport to Colorado Springs Municipal Airport or just don't want to be rushed, these stays are ideal:

Arriving at Colorado Springs Municipal Airport (COS)

Getting from Colorado Springs Municipal Airport (COS) to central Colorado Springs

  • COS is located at 7770 Milton E. Proby Parkway.

  • Colorado Springs Municipal Airport is approximately 16 kilometres from the centre of Colorado Springs. The drive time takes around 20 minutes.

  • Travelling on public transport will take you around 1 hour 5 minutes.

When to fly to Colorado Springs Municipal Airport (COS)

  • The quietest month for a flight from Lambert-St. Louis International Airport to Colorado Springs Municipal Airport is April, while July is the busiest. Pick the best time to go to Colorado Springs based on whether you prefer a more relaxed vibe or a faster pace.

  • When booking your flight from Lambert-St. Louis International Airport to Colorado Springs Municipal Airport, consider the type of weather you like. July is the warmest month in Colorado Springs, with temperatures ranging from 12ºC (54ºF) to 30ºC (86ºF).

  • January has average temperatures of between -10ºC (14ºF) and 7ºC (45ºF). Search for cheap tickets from STL to COS sometime then if you like cooler conditions.

Explore more of United States

  • Denver is just one of the many places in United States waiting to be discovered once you've taken in the sights of Colorado Springs. Around 105 kilometres away to the north, top sights here include Denver Art Museum, Union Station and Denver Botanic Gardens.

  • Around 451 kilometres south of Colorado Springs, Albuquerque is another essential stop in United States. Experience the best of this destination with a visit to Balloon Fiesta Park, Albuquerque Biological Park and ABQ BioPark Aquarium.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.