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>

$42 CHEAP FLIGHTS from Colorado to St. Louis

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Flight Deals

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

Wed, Nov 12 - Sat, Nov 15

6:00 am - 9:07 amDEN-STL

2h 07mnonstop

7:45 pm - 9:13 pmSTL-DEN

2h 28mnonstop

$101Frontier

Find Deal

Wed, Nov 12 - Sat, Nov 15

6:00 am - 9:07 amDEN-STL

2h 07mnonstop

7:45 pm - 9:13 pmSTL-DEN

2h 28mnonstop

$102Frontier

Find Deal

Sat, Dec 6 - Mon, Dec 8

7:05 am - 10:14 amDEN-STL

2h 09mnonstop

3:30 pm - 8:13 pmSTL-DEN

29h 43m1 stop

$103Frontier

Find Deal

Tue, Dec 9 - Sat, Dec 13

4:29 pm - 10:47 pmDRO-STL

5h 18m1 stop

3:59 pm - 9:30 pmSTL-DRO

6h 31m1 stop

$200American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:53 pm - 11:40 pmHDN-STL

8h 47m1 stop

6:00 am - 12:55 pmSTL-HDN

7h 55m1 stop

$217Delta

Find Deal

Thu, Nov 13 - Mon, Nov 17

3:18 pm - 9:54 pmDRO-STL

5h 36m1 stop

4:43 pm - 10:01 pmSTL-DRO

6h 18m1 stop

$228United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

5:15 am - 2:24 pmDRO-STL

8h 09m2 stops

4:43 pm - 8:34 pmSTL-DRO

4h 51m1 stop

$234United Airlines

Find Deal

Fri, Dec 12 - Fri, Jan 2

5:48 pm - 12:12 pmCOS-STL

41h 24m2 stops

8:42 pm - 6:14 pmSTL-COS

22h 32m1 stop

$256Multiple Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

1:53 pm - 11:40 pmHDN-STL

8h 47m1 stop

6:00 am - 2:16 pmSTL-HDN

9h 16m2 stops

$273Delta

Find Deal

Tue, Dec 9 - Sat, Dec 13

2:23 pm - 10:47 pmDRO-STL

7h 24m2 stops

3:59 pm - 9:30 pmSTL-DRO

6h 31m1 stop

$291American Airlines

Find Deal

Cheapest round-trip

$101

Overall average: $232

Frontier

Wed 11/12Sat 11/15

DEN - STL • Non-stop

Cheapest one-way

$37

Typical prices: $100-$408

Frontier

Fri 1/30

DEN - STL • Non-stop

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We hope you love your trip to St. Louis!

Useful Info

Low season	January
High season	November
Cheapest flight	$37

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly with an average 3% increase in price.

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.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

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

$37 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

Everything you should know

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.

Traveling to a place near St. Louis?

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