How does KAYAK find such low prices on flights from Colorado to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to St. Louis. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Colorado is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Colorado to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Colorado with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$71 CHEAP FLIGHTS from Colorado to St. Louis

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Cheap Flights from Colorado to St. Louis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Colorado to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Colorado to St. Louis

Tue, Sep 2 - Thu, Sep 11

6:00 am - 9:11 amDEN-STL

2h 11mnonstop

7:52 pm - 9:20 pmSTL-DEN

2h 28mnonstop

$116Frontier

Find Deal

Mon, Aug 11 - Sat, Aug 16

6:00 am - 9:11 amDEN-STL

2h 11mnonstop

7:29 pm - 8:58 pmSTL-DEN

2h 29mnonstop

$117Frontier

Find Deal

Mon, Aug 11 - Sat, Aug 16

7:10 am - 1:45 pmDEN-STL

5h 35m1 stop

5:55 pm - 7:15 pmSTL-DEN

2h 20mnonstop

$167Southwest

Find Deal

Wed, Sep 24 - Mon, Sep 29

12:41 pm - 8:15 pmDEN-STL

6h 34m1 stop

3:57 pm - 9:01 pmSTL-DEN

6h 04m1 stop

$177American Airlines

Find Deal

Thu, Oct 2 - Sat, Oct 4

2:17 pm - 8:25 pmDEN-STL

5h 08m1 stop

9:56 am - 4:41 pmSTL-DEN

7h 45m1 stop

$182American Airlines

Find Deal

Fri, Sep 12 - Wed, Sep 17

12:55 am - 9:35 amDEN-STL

7h 40m1 stop

2:15 pm - 7:10 pmSTL-DEN

5h 55m1 stop

$197Delta

Find Deal

Thu, Sep 11 - Wed, Sep 17

12:55 am - 9:35 amDEN-STL

7h 40m1 stop

7:30 am - 3:09 pmSTL-DEN

8h 39m1 stop

$207Delta

Find Deal

Sat, Jul 12 - Mon, Jul 14

5:25 am - 8:25 amDEN-STL

2h 00mnonstop

5:05 am - 8:30 amSTL-DEN

4h 25m1 stop

$227Southwest

Find Deal

Tue, Sep 16 - Sat, Sep 20

1:26 pm - 4:33 pmDEN-STL

2h 07mnonstop

3:20 pm - 8:12 pmSTL-DEN

5h 52m1 stop

$274United Airlines

Find Deal

Tue, Jul 8 - Tue, Jul 15

8:40 pm - 11:59 pmDEN-STL

2h 19mnonstop

5:15 am - 6:52 amSTL-DEN

2h 37mnonstop

$279United Airlines

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$71

Best time to beat the crowds with an average 1% drop in price.

Most popular time to fly and prices are also 8% lower on average.

Flight from Denver to St. Louis

How does KAYAK find such low prices on flights from Colorado to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Colorado to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Colorado with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to St. Louis

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

STL

$71 Find Cheap Flights from Colorado to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Cheap Flights from Colorado to St. Louis

Recent round-trip flight deals from Colorado to St. Louis

Recent one-way flight deals from Colorado to St. Louis

Recent last minute flight deals from Colorado to St. Louis

Recent direct flight deals from Colorado to St. Louis

Good to know

FAQs for booking flights from Colorado to St. Louis

How does KAYAK find such low prices on flights from Colorado to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Colorado to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Colorado with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to Colorado

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight