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Cheap flights from St. Louis to Colorado from $45

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 6/19. 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
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週日 5/19
週日 5/26

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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
May 29
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Jun 8
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Multiple Airlines
May 26
STL6:20 pmLambert-St Louis
15h 40m
1 stop
DEN9:00 amDenver Intl
May 29
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Frontier
Jun 8
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
Jun 15
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Frontier
Aug 3
STL8:00 pmLambert-St Louis
2h 28m
DEN9:28 pmDenver Intl
Aug 10
DEN6:26 amDenver Intl
2h 11m
STL9:37 amLambert-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 12
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
Jun 18
DEN11:39 amDenver Intl
2h 08m
STL2:47 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 and United Airlines
Frontier
Jun 19
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
United Airlines
Jul 13
STL5:30 pmLambert-St Louis
6h 22m
1 stop
DEN10:52 pmDenver Intl
Frontier
Jun 27
STL3:32 pmLambert-St Louis
2h 29m
DEN5:01 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
May 21
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
May 22
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Multiple Airlines
May 24
STL6:05 pmLambert-St Louis
24h 05m
1 stop
DEN5:10 pmDenver Intl
May 29
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Frontier
May 22
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
May 26
DEN7:22 pmDenver Intl
2h 10m
STL10:32 pmLambert-St Louis
Frontier
May 24
STL8:45 pmLambert-St Louis
2h 31m
DEN10:16 pmDenver Intl
May 29
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Delta
May 24
STL6:50 pmLambert-St Louis
5h 24m
1 stop
DEN11:14 pmDenver Intl
May 28
DEN12:30 amDenver Intl
7h 35m
1 stop
STL9:05 amLambert-St Louis
Frontier
May 23
STL11:06 pmLambert-St Louis
2h 27m
DEN12:33 amDenver Intl
May 29
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis

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
4,073 reviews
Search Frontier flights
United AirlinesPriceFrom $119Free CancellationRating
7.4
10,959 reviews
Search United Airlines flights
American AirlinesPriceFrom $193Free CancellationRating
7.3
14,561 reviews
Search American Airlines flights
DeltaPriceFrom $194Free CancellationRating
8.0
10,706 reviews
Search Delta flights

Frontier flights from St. Louis to Colorado

Our best Frontier deals on St. Louis to Colorado flight tickets
Frontier
May 29
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Jun 8
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Frontier
Jun 8
STL8:02 pmLambert-St Louis
2h 30m
DEN9:32 pmDenver Intl
Jun 15
DEN6:20 amDenver Intl
2h 09m
STL9:29 amLambert-St Louis
Frontier
Aug 3
STL8:00 pmLambert-St Louis
2h 28m
DEN9:28 pmDenver Intl
Aug 10
DEN6:26 amDenver Intl
2h 11m
STL9:37 amLambert-St Louis

Delta flights from St. Louis to Colorado

Our best Delta deals on St. Louis to Colorado flight tickets
Delta
Jun 12
STL7:55 amLambert-St Louis
8h 41m
1 stop
DEN3:36 pmDenver Intl
Jun 21
DEN12:40 amDenver Intl
7h 35m
1 stop
STL9:15 amLambert-St Louis
Delta
Jun 11
STL3:23 pmLambert-St Louis
5h 41m
1 stop
DEN8:04 pmDenver Intl
Jun 19
DEN6:36 pmDenver Intl
5h 22m
1 stop
STL12:58 amLambert-St Louis
Delta
Jun 14
STL5:56 pmLambert-St Louis
6h 33m
1 stop
DEN11:29 pmDenver Intl
Jun 19
DEN6:36 pmDenver Intl
5h 22m
1 stop
STL12:58 amLambert-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 2 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

$45

Fastest flight time

2h 24m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Colorado

5 airports
The best one-way flight to Colorado from St. Louis in the past 72 hours is $45. The best round-trip flight deal from St. Louis to Colorado found on momondo in the last 72 hours is $57.
The fastest flight from St. Louis to Colorado takes 2h 24m
Direct flights go from St. Louis to Colorado on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Frontier.
There are 5 airports near Colorado: Grand Junction Regnl (GJT), Montrose County (MTJ), Aspen Pitkin County (ASE), 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.


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.


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From?
To?
週日 5/19
週日 5/26
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