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>

$46 CHEAP FLIGHTS from Colorado to St. Louis

STL

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

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Flight Deals

Cheap Flights from Colorado to St. Louis

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

Mon, Apr 6 - Wed, Apr 8

6:40 am - 9:48 am

DEN

STL

2h 08mnonstop

8:16 pm - 9:49 pm

STL

DEN

2h 33mnonstop

$105Frontier

Wed, Apr 8 - Fri, Apr 10

6:40 am - 9:48 am

DEN

STL

2h 08mnonstop

8:16 pm - 9:49 pm

STL

DEN

2h 33mnonstop

$106Frontier

Thu, May 7 - Sat, May 9

4:05 pm - 12:15 am

COS

STL

7h 10m

1 stop

5:50 pm - 8:45 pm

STL

COS

3h 55m

1 stop

$241Southwest

Mon, Apr 6 - Thu, Apr 9

4:45 pm - 12:05 am

COS

STL

6h 20m

1 stop

5:40 am - 1:35 pm

STL

COS

8h 55m

1 stop

$246Southwest

Sat, Mar 28 - Wed, Apr 1

9:09 am - 5:59 pm

GUC

STL

7h 50m

1 stop

8:54 am - 2:44 pm

STL

GUC

6h 50m

1 stop

$251United Airlines

Thu, Apr 2 - Sat, Apr 4

7:00 am - 1:08 pm

HDN

STL

5h 08m

1 stop

6:30 am - 10:57 am

STL

HDN

5h 27m

1 stop

$251United Airlines

Wed, Apr 8 - Tue, Apr 14

12:42 pm - 7:30 pm

MTJ

STL

5h 48m

1 stop

7:12 am - 11:58 am

STL

MTJ

5h 46m

1 stop

$276American Airlines

Wed, May 20 - Sat, May 23

11:55 am - 7:03 pm

COS

STL

6h 08m

1 stop

5:00 pm - 10:22 pm

STL

COS

6h 22m

1 stop

$283Delta

Tue, Mar 31 - Sat, Apr 4

7:00 am - 7:29 pm

GJT

STL

11h 29m

2 stops

5:12 am - 10:05 am

STL

GJT

5h 53m

1 stop

$284American Airlines

Wed, Apr 22 - Sat, Apr 25

5:25 pm - 12:25 am

GJT

STL

6h 00m

1 stop

7:25 am - 6:35 pm

STL

GJT

12h 10m

2 stops

$304Delta

Useful Info

Low season	January
High season	May
Cheapest flight	$46

Best time to beat the crowds but there is an average 4% increase in price.

Most popular time to fly and prices are also 5% 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.

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)

STL

$46 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.

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