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>

$63 CHEAP FLIGHTS from Colorado to St. Louis

STL

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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

Wed, May 27 - Mon, Jun 1

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

9:21 pm - 6:04 pm

STL

DEN

21h 43m

1 stop

$117Frontier

Sat, May 9 - Sat, May 16

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

$127Frontier

Tue, Aug 25 - Wed, Aug 26

5:55 pm - 12:36 am

COS

STL

5h 41m

1 stop

6:30 am - 10:02 am

STL

COS

4h 32m

1 stop

$221Delta

Wed, May 27 - Tue, Jun 2

11:55 am - 7:03 pm

COS

STL

6h 08m

1 stop

3:11 pm - 10:22 pm

STL

COS

8h 11m

2 stops

$226Delta

Fri, May 22 - Sun, May 24

3:25 pm - 11:57 pm

MTJ

STL

7h 32m

1 stop

4:48 pm - 8:10 pm

STL

MTJ

4h 22m

1 stop

$266United Airlines

Tue, May 26 - Tue, Jun 2

3:45 pm - 11:59 pm

COS

STL

7h 14m

1 stop

9:41 am - 4:34 pm

STL

COS

7h 53m

1 stop

$275American Airlines

Sat, May 9 - Wed, May 13

1:35 pm - 8:43 pm

DRO

STL

6h 08m

1 stop

5:59 pm - 10:29 pm

STL

DRO

5h 30m

1 stop

$288United Airlines

Sat, May 9 - Wed, May 13

11:41 am - 10:19 pm

DRO

STL

9h 38m

2 stops

12:27 pm - 9:43 pm

STL

DRO

10h 16m

2 stops

$299American Airlines

Tue, Jun 23 - Thu, Jun 25

6:10 pm - 11:40 pm

COS

STL

4h 30m

1 stop

8:10 am - 4:00 pm

STL

COS

8h 50m

2 stops

$309Southwest

Mon, May 11 - Fri, May 15

8:40 am - 3:50 pm

HDN

STL

6h 10m

1 stop

11:35 am - 7:10 pm

STL

HDN

8h 35m

2 stops

$514Southwest

Useful Info

Low season	January
High season	May
Cheapest flight	$63

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

Most popular time to fly with an average 1% 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)

STL

$63 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