Latest deals
Insights
FAQs
Reviews

Cheap flights from St. Louis to Colorado from $34

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 Colorado departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
From?
To?
Sun 6/2
Sun 6/9

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.

Easily compare round-trip flights from St. Louis to Colorado

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Colorado by changing tabs
Frontier
Sep 21
STL8:00 pmLambert-St Louis
2h 28m
DEN9:28 pmDenver Intl
Sep 25
DEN6:26 amDenver Intl
2h 11m
STL9:37 amLambert-St Louis
Frontier
Jun 12
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
Jun 19
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Frontier
Jun 25
STL3:47 pmLambert-St Louis
2h 29m
DEN5:16 pmDenver Intl
Jul 2
DEN11:39 amDenver Intl
2h 08m
STL2:47 pmLambert-St Louis
Multiple Airlines
Jun 18
STL3:47 pmLambert-St Louis
2h 29m
DEN5:16 pmDenver Intl
Jun 22
DEN11:18 amDenver Intl
7h 43m
1 stop
STL8:01 pmLambert-St Louis
Frontier
Jun 11
STL3:47 pmLambert-St Louis
2h 29m
DEN5:16 pmDenver Intl
Jun 18
DEN11:39 amDenver Intl
2h 08m
STL2:47 pmLambert-St Louis
United Airlines
Jun 25
STL4:45 pmLambert-St Louis
2h 27m
DEN6:12 pmDenver Intl
Jul 2
DEN7:02 pmDenver Intl
2h 09m
STL10:11 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Colorado

If you're looking for one-way flights from St. Louis to Colorado, view some of our deals below provided by Frontier
Frontier
Jun 4
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
Frontier
Jul 17
STL8:02 pmLambert-St Louis
2h 23m
DEN9:25 pmDenver Intl
Frontier
Jul 16
STL3:47 pmLambert-St Louis
2h 22m
DEN5:09 pmDenver Intl

Search last-minute flights to Colorado from St. Louis

Find and compare round-trip flight prices for your last-minute flight from St. Louis to Colorado
Frontier
Jun 3
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Jun 6
DEN11:24 amDenver Intl
2h 08m
STL2:32 pmLambert-St Louis
Multiple Airlines
Jun 4
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
Jul 4
DEN5:50 pmDenver Intl
14h 39m
1 stop
STL9:29 amLambert-St Louis
Frontier
Jun 4
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
Jul 4
DEN4:51 pmDenver Intl
2h 11m
STL8:02 pmLambert-St Louis
Frontier
Jun 5
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
Jun 8
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Frontier
Jun 6
STL3:32 pmLambert-St Louis
2h 29m
DEN5:01 pmDenver Intl
Jun 9
DEN11:29 amDenver Intl
2h 08m
STL2:37 pmLambert-St Louis
Delta
Jun 3
STL7:10 pmLambert-St Louis
5h 39m
1 stop
DEN11:49 pmDenver Intl
Jun 5
DEN12:30 amDenver Intl
7h 24m
1 stop
STL8:54 amLambert-St Louis

Frontier flights from St. Louis to Colorado

Our best Frontier deals on St. Louis to Colorado flight tickets
Frontier
Sep 21
STL8:00 pmLambert-St Louis
2h 28m
DEN9:28 pmDenver Intl
Sep 25
DEN6:26 amDenver Intl
2h 11m
STL9:37 amLambert-St Louis
Frontier
Jun 12
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
Jun 19
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Frontier
Jun 25
STL3:47 pmLambert-St Louis
2h 29m
DEN5:16 pmDenver Intl
Jul 2
DEN11:39 amDenver Intl
2h 08m
STL2:47 pmLambert-St Louis

United Airlines flights from St. Louis to Colorado

Our best United Airlines deals on St. Louis to Colorado flight tickets
United Airlines
Jun 25
STL4:45 pmLambert-St Louis
2h 27m
DEN6:12 pmDenver Intl
Jul 2
DEN7:02 pmDenver Intl
2h 09m
STL10:11 pmLambert-St Louis
United Airlines
Jun 26
STL1:42 pmLambert-St Louis
2h 27m
DEN3:09 pmDenver Intl
Jul 3
DEN7:24 pmDenver Intl
2h 09m
STL10:33 pmLambert-St Louis
United Airlines
Jul 13
STL5:30 pmLambert-St Louis
6h 22m
1 stop
DEN10:52 pmDenver Intl
Jul 20
DEN6:10 amDenver Intl
7h 26m
1 stop
STL2:36 pmLambert-St Louis

How to get the cheapest flight ticket from St. Louis to Colorado

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 airline that flies to Colorado from St. Louis?

Frontier. American Airlines, Delta, and Frontier are the most popular carriers operating from St. Louis to Colorado

What is the cheapest St. Louis to Colorado flight route?

Lambert-St Louis - Denver Intl. Fly from Lambert-St Louis to Denver Intl for the best St. Louis - Colorado flight prices

What cabin class options are available on St. Louis to Colorado flights?

There are 3 cabin classes available to choose from on St. Louis to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Colorado flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Colorado.

Cheap St. Louis to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Colorado

Best Price Found

$34

Fastest flight time

2h 18m

Direct flights

Every day

Airports in Colorado

3 airports
The best one-way flight to Colorado from St. Louis in the past 72 hours is $34. The best round-trip flight deal from St. Louis to Colorado found on momondo in the last 72 hours is $58.
The fastest flight from St. Louis to Colorado takes 2h 18m
Direct flights go from St. Louis to Colorado every day.
There are 3 airports near Colorado: Montrose County (MTJ), Colorado Springs (COS), Denver Intl (DEN)

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Colorado?

    Prices for flights from Lambert-St Louis Airport to Colorado refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Colorado?

  • How old do you have to be to fly from Lambert-St Louis Airport to Colorado?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

  • What documentation or ID do you need to fly to Colorado?

    The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from St. Louis to Colorado

Compare and see reviews for airlines that fly from St. Louis to Colorado with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $39Free CancellationRating
6.2
4,016 reviews
Search Frontier flights
United AirlinesPriceFrom $119Free CancellationRating
7.4
10,799 reviews
Search United Airlines flights
American AirlinesPriceFrom $193Free CancellationRating
7.3
14,316 reviews
Search American Airlines flights
DeltaPriceFrom $194Free CancellationRating
8.0
10,476 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Colorado?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Colorado. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Colorado with flexible booking policies on momondo?

All flight searches from St. Louis to Colorado on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Colorado?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from St. Louis.

I’m not ready to book a flight from St. Louis to Colorado right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Colorado flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 6/2
Sun 6/9
Email me momondo's favorite deals

Find better results for your trip to Colorado

Popular cities in Colorado
Popular flights according to clicks in the last 7 days on momondo