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Cheap flights from St. Louis to Colorado from $38

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 1/27. 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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Find the cheapest flights from St. Louis to Colorado

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Colorado that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Colorado.

Cheap last minute flights

Planning a quick getaway from St. Louis to Colorado? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Colorado, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Colorado

Find recent round-trip train or bus tickets from St. Louis to Colorado.

All round-trip flight deals to Colorado

The cheapest plane tickets to Colorado found on KAYAK recently.
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$77Frontier
Find Deal
Wed, Dec 11 - Mon, Dec 16
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
6:00 am - 9:16 amDEN-STL
2h 16mnonstop
$82Frontier
Find Deal
Mon, Jan 13 - Fri, Jan 17
8:27 am - 10:05 amSTL-DEN
2h 38mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$177United Airlines
Find Deal
Tue, Jan 28 - Thu, Jan 30
8:27 am - 10:05 amSTL-DEN
2h 38mnonstop
6:00 am - 12:16 pmDEN-STL
5h 16m1 stop
$187United Airlines
Find Deal
Tue, Jan 28 - Thu, Jan 30
7:20 am - 8:55 amSTL-DEN
2h 35mnonstop
7:20 pm - 10:20 pmDEN-STL
2h 00mnonstop
$198Southwest
Find Deal
Thu, Jan 9 - Mon, Jan 13
5:03 am - 9:31 amSTL-DEN
5h 28m1 stop
6:01 am - 1:00 pmDEN-STL
5h 59m1 stop
$207American Airlines
Find Deal
Wed, Jan 29 - Sun, Feb 2
7:40 am - 3:20 pmSTL-DEN
8h 40m1 stop
5:40 am - 1:18 pmDEN-STL
6h 38m1 stop
$216Delta
Find Deal
Thu, Jan 9 - Mon, Jan 13
7:20 am - 8:55 amSTL-DEN
2h 35mnonstop
6:45 am - 9:55 amDEN-STL
2h 10mnonstop
$228Southwest
Find Deal
Thu, Jan 9 - Sun, Jan 12
1:08 pm - 8:08 pmSTL-DEN
8h 00m1 stop
2:30 pm - 9:25 pmDEN-STL
5h 55m1 stop
$236Delta
Find Deal
Sat, Dec 7 - Sat, Dec 14
11:36 am - 3:58 pmSTL-DEN
5h 22m1 stop
5:00 am - 10:45 amDEN-STL
4h 45m1 stop
$271American Airlines
Find Deal
Tue, Dec 24 - Thu, Dec 26
7:09 pm - 8:37 pmSTL-DEN
2h 28mnonstop
$38Frontier
Find Deal
Mon, Jan 27
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
$39Frontier
Find Deal
Sat, Dec 7
4:36 pm - 6:13 pmSTL-DEN
2h 37mnonstop
$79United Airlines
Find Deal
Tue, Jan 14
5:30 pm - 9:58 pmSTL-DEN
5h 28m1 stop
$88United Airlines
Find Deal
Tue, Jan 7
7:40 am - 3:20 pmSTL-DEN
8h 40m1 stop
$98Delta
Find Deal
Sat, Jan 18
11:46 am - 4:46 pmSTL-DEN
6h 00m1 stop
$108Delta
Find Deal
Tue, Dec 24
4:45 pm - 6:10 pmSTL-DEN
2h 25mnonstop
$109Southwest
Find Deal
Tue, Dec 24
10:25 pm - 11:55 pmSTL-DEN
2h 30mnonstop
$139Southwest
Find Deal
Thu, Feb 13
7:04 am - 11:46 amSTL-DEN
5h 42m1 stop
$193American Airlines
Find Deal
Wed, Dec 25
1:40 pm - 10:18 pmSTL-GJT
9h 38m2 stops
$209American Airlines
Find Deal
Wed, Jan 15
5:38 pm - 7:06 pmSTL-DEN
2h 28mnonstop
9:03 pm - 12:06 amDEN-STL
2h 03mnonstop
$166Frontier
Find Deal
Tue, Nov 26 - Thu, Nov 28
10:17 pm - 3:59 amSTL-DEN
6h 42m1 stop
9:03 pm - 12:06 amDEN-STL
2h 03mnonstop
$171Frontier
Find Deal
Tue, Nov 26 - Thu, Nov 28
10:17 pm - 3:59 amSTL-DEN
6h 42m1 stop
9:03 pm - 12:06 amDEN-STL
2h 03mnonstop
$201Frontier
Find Deal
Sat, Nov 23 - Thu, Nov 28
5:35 am - 11:55 amSTL-COS
7h 20m1 stop
10:10 am - 7:55 pmCOS-STL
8h 45m2 stops
$586Southwest
Find Deal
Tue, Nov 26 - Sat, Nov 30
4:44 pm - 9:29 pmSTL-ASE
5h 45m1 stop
11:25 am - 4:32 pmASE-STL
4h 07m1 stop
$588United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
1:05 pm - 8:04 pmSTL-ASE
7h 59m2 stops
11:25 am - 4:32 pmASE-STL
4h 07m1 stop
$593United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
6:00 am - 11:36 amSTL-DEN
6h 36m1 stop
12:55 am - 9:09 amDEN-STL
7h 14m1 stop
$631Delta
Find Deal
Fri, Nov 22 - Tue, Nov 26
6:00 am - 11:36 amSTL-DEN
6h 36m1 stop
12:55 am - 9:09 amDEN-STL
7h 14m1 stop
$672Delta
Find Deal
Fri, Nov 22 - Tue, Nov 26
5:31 pm - 11:50 pmSTL-COS
7h 19m1 stop
10:53 am - 4:37 pmCOS-STL
4h 44m1 stop
$696American Airlines
Find Deal
Sat, Nov 23 - Sat, Nov 30
12:49 pm - 10:11 pmSTL-GJT
10h 22m2 stops
12:12 pm - 10:38 pmGJT-STL
9h 26m2 stops
$803American Airlines
Find Deal
Sun, Nov 24 - Mon, Dec 2
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$67Frontier
Find Deal
Sat, Dec 7 - Sat, Dec 14
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$68Frontier
Find Deal
Wed, Dec 11 - Wed, Dec 18
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$77Frontier
Find Deal
Mon, Dec 9 - Wed, Dec 11
8:27 am - 10:05 amSTL-DEN
2h 38mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$177United Airlines
Find Deal
Wed, Jan 15 - Sun, Jan 19
4:36 pm - 6:13 pmSTL-DEN
2h 37mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$197United Airlines
Find Deal
Sun, Jan 12 - Thu, Jan 16
7:20 am - 8:55 amSTL-DEN
2h 35mnonstop
7:20 pm - 10:20 pmDEN-STL
2h 00mnonstop
$198Southwest
Find Deal
Thu, Jan 9 - Mon, Jan 13
5:10 pm - 6:40 pmSTL-DEN
2h 30mnonstop
6:45 am - 9:55 amDEN-STL
2h 10mnonstop
$208Southwest
Find Deal
Wed, Jan 29 - Sun, Feb 2
4:31 pm - 6:02 pmSTL-DEN
2h 31mnonstop
1:26 pm - 4:29 pmDEN-STL
2h 03mnonstop
$217United Airlines
Find Deal
Sat, Dec 7 - Tue, Dec 10
8:35 pm - 10:05 pmSTL-DEN
2h 30mnonstop
7:20 pm - 10:20 pmDEN-STL
2h 00mnonstop
$218Southwest
Find Deal
Mon, Jan 27 - Thu, Jan 30
8:27 am - 10:05 amSTL-DEN
2h 38mnonstop
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$237United Airlines
Find Deal
Sun, Feb 9 - Wed, Feb 12

Frontier flights from St. Louis to Colorado

Our best Frontier deals on St. Louis to Colorado flight tickets
Frontier
Dec 11
STL6:46 pmLambert-St Louis
2h 36m
DEN8:22 pmDenver Intl
Dec 16
DEN5:05 amDenver Intl
2h 08m
STL8:13 amLambert-St Louis
Frontier
Jan 13
STL6:46 pmLambert-St Louis
2h 36m
DEN8:22 pmDenver Intl
Jan 17
DEN6:00 amDenver Intl
2h 16m
STL9:16 amLambert-St Louis
Frontier
Dec 6
STL6:46 pmLambert-St Louis
2h 36m
DEN8:22 pmDenver Intl
Dec 7
DEN5:05 amDenver Intl
2h 08m
STL8:13 amLambert-St Louis

United Airlines flights from St. Louis to Colorado

Our best United Airlines deals on St. Louis to Colorado flight tickets
United Airlines
Jan 28
STL8:27 amLambert-St Louis
2h 38m
DEN10:05 amDenver Intl
Jan 30
DEN9:40 amDenver Intl
2h 08m
STL12:48 pmLambert-St Louis
United Airlines
Jan 28
STL8:27 amLambert-St Louis
2h 38m
DEN10:05 amDenver Intl
Jan 30
DEN6:00 amDenver Intl
5h 16m
1 stop
STL12:16 pmLambert-St Louis
United Airlines
Dec 12
STL4:31 pmLambert-St Louis
2h 31m
DEN6:02 pmDenver Intl
Dec 17
DEN1:26 pmDenver Intl
2h 03m
STL4:29 pmLambert-St Louis

See travel insights to Colorado from

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 day to depart on your flight to Colorado?

The cheapest day to depart from St. Louis to Colorado is on a Tuesday when prices can be found for as low as $128. On the other hand, Sunday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $215.

What is the cheapest Lambert-St Louis to Colorado flight route?

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

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

There are 4 cabin classes available to choose from on Lambert-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?

You could potentially save up to 110% on your flight if you consider stops on a St. Louis to Colorado flight.

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

$38

Fastest flight time

2h 24m

Direct flights

Every day

Airports in Colorado

1 airport
The best one-way flight to Colorado from St. Louis in the past 72 hours is $38. The best round-trip flight deal from St. Louis to Colorado found on momondo in the last 72 hours is $77.
The fastest flight from St. Louis to Colorado takes 2h 24m
Direct flights go from St. Louis to Colorado every day.
There is 1 airport near Colorado: 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.

  • What is the most popular plane model from St. Louis to Colorado?


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 $45Free CancellationRating
6.1
3,536 reviews
Search Frontier flights
United AirlinesPriceFrom $151Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $158Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
DeltaPriceFrom $175Free CancellationRating
8.0
8,755 reviews
Search Delta flights
American AirlinesPriceFrom $192Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.


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