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Cheap flights from Colorado to St. Louis from $29

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to St. Louis departing on 5/29. 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
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Sat 5/11

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

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 Colorado to St. Louis by changing tabs
Frontier
May 18
DEN6:15 amDenver Intl
2h 10m
STL9:25 amLambert-St Louis
May 21
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
Frontier
May 15
DEN6:41 amDenver Intl
2h 06m
STL9:47 amLambert-St Louis
May 18
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Frontier
May 20
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Jun 19
STL8:02 pmLambert-St Louis
2h 31m
DEN9:33 pmDenver Intl
Multiple Airlines
Aug 23
DEN10:10 amDenver Intl
5h 58m
1 stop
STL5:08 pmLambert-St Louis
Aug 28
STL8:00 pmLambert-St Louis
2h 28m
DEN9:28 pmDenver Intl
Frontier
May 15
DEN6:41 amDenver Intl
2h 06m
STL9:47 amLambert-St Louis
May 20
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
American Airlines
Oct 3
DEN8:38 amDenver Intl
4h 30m
1 stop
STL2:08 pmLambert-St Louis
Oct 8
STL7:56 pmLambert-St Louis
4h 33m
1 stop
DEN11:29 pmDenver Intl

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

If you're looking for one-way flights from Colorado to St. Louis, view some of our deals below provided by Frontier and United Airlines
Frontier
May 29
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Frontier
May 18
DEN6:15 amDenver Intl
2h 10m
STL9:25 amLambert-St Louis
Frontier
May 14
DEN12:45 pmDenver Intl
2h 05m
STL3:50 pmLambert-St Louis

Search last-minute flights to St. Louis from Colorado

Find and compare round-trip flight prices for your last-minute flight from Colorado to St. Louis
Frontier
May 9
DEN7:30 amDenver Intl
2h 08m
STL10:38 amLambert-St Louis
May 14
STL4:50 pmLambert-St Louis
2h 30m
DEN6:20 pmDenver Intl
Frontier
May 6
DEN6:41 amDenver Intl
2h 06m
STL9:47 amLambert-St Louis
May 8
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Delta
May 8
DEN12:30 amDenver Intl
7h 24m
1 stop
STL8:54 amLambert-St Louis
May 14
STL6:00 amLambert-St Louis
7h 41m
1 stop
DEN12:41 pmDenver Intl
Frontier
May 9
DEN6:36 amDenver Intl
14h 33m
1 stop
STL10:09 pmLambert-St Louis
May 14
STL4:50 pmLambert-St Louis
2h 30m
DEN6:20 pmDenver Intl
Frontier
May 6
DEN9:39 amDenver Intl
10h 24m
1 stop
STL9:03 pmLambert-St Louis
May 8
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Multiple Airlines
May 9
DEN6:20 pmDenver Intl
19h 54m
2 stops
STL3:14 pmLambert-St Louis
May 12
STL6:19 pmLambert-St Louis
23h 16m
3 stops
DEN4:35 pmDenver Intl

Best airlines flying from Colorado to St. Louis

Compare and see reviews for airlines that fly from Colorado to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $49Free CancellationRating
6.2
4,123 reviews
Search Frontier flights
United AirlinesPriceFrom $115Free CancellationRating
7.4
11,202 reviews
Search United Airlines flights
American AirlinesPriceFrom $212Free CancellationRating
7.3
14,834 reviews
Search American Airlines flights

Delta flights from Colorado to St. Louis

Our best Delta deals on Colorado to St. Louis flight tickets
Delta
May 20
DEN5:40 amDenver Intl
6h 52m
1 stop
STL1:32 pmLambert-St Louis
Jun 3
STL6:50 pmLambert-St Louis
5h 24m
1 stop
DEN11:14 pmDenver Intl
Delta
Jul 23
DEN6:36 pmDenver Intl
5h 03m
1 stop
STL12:39 amLambert-St Louis
Jul 25
STL6:30 pmLambert-St Louis
5h 24m
1 stop
DEN10:54 pmDenver Intl
Delta
May 27
DEN12:30 amDenver Intl
7h 35m
1 stop
STL9:05 amLambert-St Louis
Jun 4
STL5:30 pmLambert-St Louis
6h 44m
1 stop
DEN11:14 pmDenver Intl

Frontier flights from Colorado to St. Louis

Our best Frontier deals on Colorado to St. Louis flight tickets
Frontier
May 18
DEN6:15 amDenver Intl
2h 10m
STL9:25 amLambert-St Louis
May 21
STL10:44 pmLambert-St Louis
2h 36m
DEN12:20 amDenver Intl
Frontier
May 15
DEN6:41 amDenver Intl
2h 06m
STL9:47 amLambert-St Louis
May 18
STL8:04 pmLambert-St Louis
2h 31m
DEN9:35 pmDenver Intl
Frontier
May 20
DEN6:26 amDenver Intl
2h 10m
STL9:36 amLambert-St Louis
Jun 19
STL8:02 pmLambert-St Louis
2h 31m
DEN9:33 pmDenver Intl

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

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 St. Louis from Colorado?

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

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

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

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

There are 2 cabin classes available to choose from on Colorado to St. Louis 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 Colorado to St. Louis flights?

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

Cheap Colorado to St. Louis flight deals and tips

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

Best Price Found

$29

Fastest flight time

2h 00m

Direct flights

Every day

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Colorado in the past 72 hours is $29. The best round-trip flight deal from Colorado to St. Louis found on momondo in the last 72 hours is $57.
The fastest flight from Colorado to St. Louis takes 2h 00m
Direct flights go from Colorado to St. Louis every day.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Prices for flights from Colorado to Lambert-St Louis Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Colorado.

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

Yes. All flights to St. Louis from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 St. Louis from Colorado.

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

Yes. momondo can track prices for Colorado to St. Louis 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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