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Cheap flights from Colorado to Decatur from $256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Decatur departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Colorado to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 5:58 pm
DEN
-
DEC
10h 58m
1 stop
United Airlines Logo
7:25 pm - 10:19 pm
DEC
-
DEN
27h 54m
1 stop
$386United Airlines
Wed, May 6 - Tue, May 12
United Airlines Logo
8:52 pm - 8:58 am
DEN
-
DEC
11h 06m
1 stop
United Airlines Logo
7:37 pm - 12:58 am
DEC
-
DEN
6h 21m
1 stop
$438United Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
6:00 am - 5:57 pm
DEN
-
DEC
10h 57m
1 stop
United Airlines Logo
7:37 pm - 12:58 am
DEC
-
DEN
6h 21m
1 stop
$489United Airlines
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
8:20 pm - 8:58 am
DEN
-
DEC
11h 38m
1 stop
United Airlines Logo
9:42 am - 11:50 pm
DEC
-
DEN
15h 08m
1 stop
$509United Airlines
Wed, May 13 - Sun, May 17
United Airlines Logo
7:50 pm - 5:57 pm
DEN
-
DEC
21h 07m
1 stop
United Airlines Logo
7:37 pm - 9:59 am
DEC
-
DEN
15h 22m
2 stops
$521United Airlines
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
5:50 pm - 5:57 pm
DEN
-
DEC
23h 07m
2 stops
United Airlines Logo
7:37 pm - 12:58 am
DEC
-
DEN
6h 21m
1 stop
$568United Airlines
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
11:15 am - 5:56 pm
DEN
-
DEC
5h 41m
1 stop
United Airlines Logo
7:20 pm - 11:49 pm
DEC
-
DEN
5h 29m
1 stop
$783United Airlines
Thu, Jul 23 - Sun, Jul 26
United Airlines Logo
9:58 am - 5:56 pm
DEN
-
DEC
6h 58m
2 stops
United Airlines Logo
7:05 pm - 12:53 am
DEC
-
DEN
6h 48m
1 stop
$810United Airlines
Wed, Jun 3 - Sun, Jun 7
United Airlines Logo
8:05 am - 5:57 pm
DEN
-
DEC
8h 52m
2 stops
United Airlines Logo
9:52 am - 6:19 pm
DEC
-
DEN
9h 27m
2 stops
$974United Airlines
Wed, Apr 8 - Sun, Apr 12
United Airlines Logo
8:20 pm - 5:57 pm
DEN
-
DEC
20h 37m
2 stops
United Airlines Logo
7:37 pm - 10:23 am
DEC
-
DEN
15h 46m
2 stops
$1,001United Airlines
Sun, Apr 19 - Sun, Apr 26

United Airlines flights from Colorado to Decatur, Illinois

Our best United Airlines deals on Colorado to Decatur, Illinois flight tickets
United Airlines
May 6
DEN6:00 amDenver Intl
10h 58m
1 stop
DEC5:58 pmDecatur Arpt
May 12
DEC7:25 pmDecatur Arpt
27h 54m
1 stop
DEN10:19 pmDenver Intl
$386
United Airlines
Apr 19
DEN8:52 pmDenver Intl
11h 06m
1 stop
DEC8:58 amDecatur Arpt
Apr 26
DEC7:37 pmDecatur Arpt
6h 21m
1 stop
DEN12:58 amDenver Intl
$438
United Airlines
Apr 8
DEN6:00 amDenver Intl
10h 57m
1 stop
DEC5:57 pmDecatur Arpt
Apr 12
DEC7:37 pmDecatur Arpt
6h 21m
1 stop
DEN12:58 amDenver Intl
$489

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Decatur, Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Colorado to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 5/6

6:00 am-5:58 pm

1 stop10h 58m

Decatur Arpt

Tue 5/12

7:25 pm-10:19 pm

1 stop27h 54m

$386

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sun 4/19

8:52 pm-8:58 am

1 stop11h 06m

Decatur Arpt

Sun 4/26

7:37 pm-12:58 am

1 stop6h 21m

$438

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 4/8

6:00 am-5:57 pm

1 stop10h 57m

Decatur Arpt

Sun 4/12

7:37 pm-12:58 am

1 stop6h 21m

$489

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 5/13

8:20 pm-8:58 am

1 stop11h 38m

Decatur Arpt

Sun 5/17

9:42 am-11:50 pm

1 stop15h 08m

$509

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sun 4/19

7:50 pm-5:57 pm

1 stop21h 07m

Decatur Arpt

Sun 4/26

7:37 pm-9:59 am

2 stops15h 22m

$521

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 4/8

5:50 pm-5:57 pm

2 stops23h 07m

Decatur Arpt

Sun 4/12

7:37 pm-12:58 am

1 stop6h 21m

$568
Quickest round-trip

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 7/23

11:15 am-5:56 pm

1 stop5h 41m

Decatur Arpt

Sun 7/26

7:20 pm-11:49 pm

1 stop5h 29m

$783

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 6/3

9:58 am-5:56 pm

2 stops6h 58m

Decatur Arpt

Sun 6/7

7:05 pm-12:53 am

1 stop6h 48m

$810

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 4/8

8:05 am-5:57 pm

2 stops8h 52m

Decatur Arpt

Sun 4/12

9:52 am-6:19 pm

2 stops9h 27m

$974

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sun 4/19

8:20 pm-5:57 pm

2 stops20h 37m

Decatur Arpt

Sun 4/26

7:37 pm-10:23 am

2 stops15h 46m

$1,001

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Decatur from

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

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

What is the cheapest airline that flies from Colorado to Decatur Arpt?

United Airlines is the most popular carrier operating from Colorado to Decatur Arpt

What airlines fly to Decatur, Illinois?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Decatur, Illinois from Colorado according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Decatur, Illinois. Keep in mind that there are 3 different airlines that fly to Decatur, Illinois on a routine basis, so you have a few additional options to choose from.

Cheap Colorado to Decatur, Illinois flight deals and tips

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

Fastest flight time

10h 56m

Direct flights

None
The fastest flight from Colorado to Decatur, Illinois takes 10h 56m
There are no direct flights from Colorado to Decatur, Illinois. There are no popular flight routes from Colorado to Decatur, Illinois.
Search flight deals

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

    Prices for flights from Colorado to Decatur Arpt Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Decatur Arpt Airport.

  • What documentation or ID do you need to fly to Decatur Arpt Airport?

    The travel and health documents you'll need for your trip to Decatur Arpt Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Decatur Arpt Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Effingham
Mattoon
Forsyth

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Decatur?

It is quick and easy to find Colorado to Decatur flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Decatur that suits you.

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

momondo does allow users to show only those flights to Decatur from Colorado which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Colorado to Decatur flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Decatur from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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