What airlines fly to Colorado?

United Airlines, American Airlines and Allegiant Air are the top three most popular airlines that fly to Colorado from Decatur, Illinois according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Decatur Arpt Airport to Colorado?

Prices for flights from Decatur Arpt Airport to Colorado are refreshed on a daily basis.

How old do you have to be to fly from Decatur Arpt Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Decatur Arpt Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado 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 Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$362 Cheap Flights from Decatur to Colorado in 2025/26

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0 bags

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Find the cheapest flights from Decatur, Illinois to Colorado

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 11:06 pm

DEC

DEN

4h 51m1 stop

8:30 pm - 5:54 pm

DEN

DEC

20h 24m1 stop

$362United Airlines

Fri, Feb 20 - Tue, Feb 24

7:15 pm - 11:06 pm

DEC

DEN

4h 51m1 stop

5:54 pm - 8:52 am

DEN

DEC

13h 58m1 stop

$365United Airlines

Wed, Feb 18 - Sat, Feb 21

7:15 pm - 11:30 pm

DEC

DEN

5h 15m1 stop

6:15 am - 5:51 pm

DEN

DEC

10h 36m1 stop

$388United Airlines

Thu, Mar 26 - Sun, Mar 29

7:09 pm - 2:51 pm

DEC

DEN

20h 42m1 stop

8:25 pm - 6:01 pm

DEN

DEC

20h 36m1 stop

$396United Airlines

Fri, Feb 6 - Tue, Feb 10

7:09 pm - 8:49 am

DEC

DEN

14h 40m1 stop

6:00 am - 9:05 am

DEN

DEC

26h 05m1 stop

$405United Airlines

Sat, Feb 7 - Tue, Feb 10

7:09 pm - 3:52 pm

DEC

DEN

21h 43m1 stop

6:00 am - 6:01 pm

DEN

DEC

11h 01m1 stop

$414United Airlines

Thu, Feb 5 - Sun, Feb 8

7:15 pm - 11:06 pm

DEC

DEN

4h 51m1 stop

6:05 pm - 5:54 pm

DEN

DEC

22h 49m2 stops

$434United Airlines

Fri, Feb 20 - Tue, Feb 24

9:50 am - 11:30 pm

DEC

DEN

14h 40m1 stop

5:54 pm - 8:52 am

DEN

DEC

13h 58m1 stop

$442United Airlines

Wed, Mar 18 - Sat, Mar 21

7:09 pm - 8:49 am

DEC

DEN

14h 40m1 stop

6:00 am - 6:01 pm

DEN

DEC

11h 01m1 stop

$454United Airlines

Wed, Feb 4 - Sun, Feb 8

9:50 am - 11:06 pm

DEC

DEN

14h 16m1 stop

6:00 am - 5:54 pm

DEN

DEC

10h 54m1 stop

$478United Airlines

Thu, Feb 26 - Sun, Mar 1

United Airlines flights from Decatur, Illinois to Colorado

Our best United Airlines deals on Decatur, Illinois to Colorado flight tickets

United Airlines

Feb 20

DEC7:15 pmDecatur Arpt

4h 51m

1 stop

DEN11:06 pmDenver Intl

Feb 24

DEN8:30 pmDenver Intl

20h 24m

1 stop

DEC5:54 pmDecatur Arpt

$362

Find similar

United Airlines

Feb 18

DEC7:15 pmDecatur Arpt

4h 51m

1 stop

DEN11:06 pmDenver Intl

Feb 21

DEN5:54 pmDenver Intl

13h 58m

1 stop

DEC8:52 amDecatur Arpt

$365

Find similar

United Airlines

Mar 26

DEC7:15 pmDecatur Arpt

5h 15m

1 stop

DEN11:30 pmDenver Intl

Mar 29

DEN6:15 amDenver Intl

10h 36m

1 stop

DEC5:51 pmDecatur Arpt

$388

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Decatur, Illinois to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 2/20

7:15 pm-11:06 pm

1 stop4h 51m

Denver Intl

Tue 2/24

8:30 pm-5:54 pm

1 stop20h 24m

$362

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Wed 2/18

7:15 pm-11:06 pm

1 stop4h 51m

Denver Intl

Sat 2/21

5:54 pm-8:52 am

1 stop13h 58m

$365

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 3/26

7:15 pm-11:30 pm

1 stop5h 15m

Denver Intl

Sun 3/29

6:15 am-5:51 pm

1 stop10h 36m

$388

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 2/6

7:09 pm-2:51 pm

1 stop20h 42m

Denver Intl

Tue 2/10

8:25 pm-6:01 pm

1 stop20h 36m

$396

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Sat 2/7

7:09 pm-8:49 am

1 stop14h 40m

Denver Intl

Tue 2/10

6:00 am-9:05 am

1 stop26h 05m

$405

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 2/5

7:09 pm-3:52 pm

1 stop21h 43m

Denver Intl

Sun 2/8

6:00 am-6:01 pm

1 stop11h 01m

$414

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 2/20

7:15 pm-11:06 pm

1 stop4h 51m

Denver Intl

Tue 2/24

6:05 pm-5:54 pm

2 stops22h 49m

$434

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Wed 3/18

9:50 am-11:30 pm

1 stop14h 40m

Denver Intl

Sat 3/21

5:54 pm-8:52 am

1 stop13h 58m

$442

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Wed 2/4

7:09 pm-8:49 am

1 stop14h 40m

Denver Intl

Sun 2/8

6:00 am-6:01 pm

1 stop11h 01m

$454

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 2/26

9:50 am-11:06 pm

1 stop14h 16m

Denver Intl

Sun 3/1

6:00 am-5:54 pm

1 stop10h 54m

$478

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Decatur, Illinois to Colorado

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

Prices

Airlines

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Decatur, Illinois to Colorado is on a Monday when prices can be found for as low as $109. On the other hand, Friday is the most expensive day to depart from Decatur, Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $448.

Cheap Decatur, Illinois to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Decatur, Illinois to Colorado

Fastest flight time	4h 51m
Direct flights	None

The fastest flight from Decatur, Illinois to Colorado takes 4h 51m

There are no direct flights from Decatur, Illinois to Colorado. There are no popular flight routes from Decatur, Illinois to Colorado.

Search flight deals

When did momondo last update prices for flights from Decatur Arpt Airport to Colorado?
Prices for flights from Decatur Arpt Airport to Colorado are refreshed on a daily basis.
How old do you have to be to fly from Decatur Arpt Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Decatur Arpt Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado 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 Colorado. 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 Decatur to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Decatur to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Decatur to Colorado with flexible booking policies on momondo?

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

How can momondo help me find flights from Decatur to Colorado?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Decatur to Colorado.

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

If you are not ready to book a flight from Decatur to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.