Cheap flights from Decatur, Illinois to Denver from $222

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Decatur, Illinois to Denver departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Decatur, Illinois to Denver

Cheap round-trip flights

United Airlines Logo
7:08 pm - 11:15 pmDEC-DEN
5h 07m1 stop
United Airlines Logo
7:21 pm - 8:48 amDEN-DEC
12h 27m1 stop
$364United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
6:55 pm - 11:30 pmDEC-DEN
5h 35m1 stop
United Airlines Logo
6:00 am - 8:51 amDEN-DEC
25h 51m1 stop
$409United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
United Airlines Logo
6:55 pm - 11:30 pmDEC-DEN
5h 35m1 stop
United Airlines Logo
5:45 pm - 8:51 amDEN-DEC
14h 06m2 stops
$472United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
United Airlines Logo
9:38 am - 4:28 pmDEC-DEN
7h 50m2 stops
United Airlines Logo
10:56 am - 6:04 pmDEN-DEC
6h 08m2 stops
$789United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29

United Airlines flights from Decatur, Illinois to Denver

Our best United Airlines deals on Decatur, Illinois to Denver flight tickets
United Airlines
Nov 14
DEC7:08 pmDecatur Arpt
5h 07m
1 stop
DEN11:15 pmDenver Intl
Nov 16
DEN7:21 pmDenver Intl
12h 27m
1 stop
DEC8:48 amDecatur Arpt
United Airlines
Sep 25
DEC6:55 pmDecatur Arpt
5h 35m
1 stop
DEN11:30 pmDenver Intl
Sep 29
DEN6:00 amDenver Intl
25h 51m
1 stop
DEC8:51 amDecatur Arpt
United Airlines
Sep 25
DEC6:55 pmDecatur Arpt
5h 35m
1 stop
DEN11:30 pmDenver Intl
Sep 29
DEN5:45 pmDenver Intl
14h 06m
2 stops
DEC8:51 amDecatur Arpt

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to Denver 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 September 11, 2025.
Use the filters below to find and compare flights from Decatur, Illinois to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 11/14

7:08 pm-11:15 pm

1 stop5h 07m

Denver Intl

Sun 11/16

7:21 pm-8:48 am

1 stop12h 27m

$364

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 9/25

6:55 pm-11:30 pm

1 stop5h 35m

Denver Intl

Mon 9/29

6:00 am-8:51 am

1 stop25h 51m

$409

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 9/25

6:55 pm-11:30 pm

1 stop5h 35m

Denver Intl

Mon 9/29

5:45 pm-8:51 am

2 stops14h 06m

$472

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 9/25

9:38 am-4:28 pm

2 stops7h 50m

Denver Intl

Mon 9/29

10:56 am-6:04 pm

2 stops6h 08m

$789

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 11/14

7:08 pm-12:30 pm

1 stop18h 22m

$222

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 11/13

9:44 am-11:15 pm

1 stop14h 31m

$231

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 11/14

7:08 pm-2:52 pm

2 stops20h 44m

$362

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Thu 11/13

7:08 pm-2:52 pm

2 stops20h 44m

$394

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Denver from

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

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 day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Monday when prices can be found for as low as $109. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Friday, with ticket prices averaging around $448.

When to book flights from Decatur, Illinois to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Decatur, Illinois to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Decatur, Illinois to Denver (DEC to DEN) flight deals and tips

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

Direct flights

None
There are no direct flights from Decatur, Illinois to Denver. There are no popular flight routes from Decatur, Illinois to Denver.
  • How far is Decatur Arpt to Denver Intl by plane?

    There are 849.3 mi between Decatur Arpt and Denver Intl. By plane, this route typically takes 5h 07m.

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

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

  • How old do you have to be to fly from Decatur Arpt Airport to Denver Intl 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 Decatur Arpt Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
Golden

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Denver from Decatur with this policy.

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

Once you have performed a search for Decatur to Denver 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 Decatur to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Decatur. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 10/11
Sat 10/18

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