What airlines fly to Denver?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Denver from Decatur, Illinois according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 3 different airlines that fly to Denver 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 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.

$66 Cheap Flights from Decatur to Denver in 2025/26

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Find the cheapest flights from Decatur, Illinois to Denver

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Cheap round-trip flights

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7:05 pm - 10:56 pmDEC-DEN

4h 51m1 stop

8:27 pm - 7:52 amDEN-DEC

10h 25m1 stop

$378United Airlines

Find Deal

Tue, Mar 3 - Sat, Mar 7

7:08 pm - 11:15 pmDEC-DEN

5h 07m1 stop

11:15 am - 8:48 amDEN-DEC

20h 33m1 stop

$445United Airlines

Find Deal

Sun, Nov 23 - Thu, Nov 27

7:08 pm - 11:15 pmDEC-DEN

5h 07m1 stop

7:46 am - 5:52 pmDEN-DEC

9h 06m1 stop

$475United Airlines

Find Deal

Fri, Nov 21 - Mon, Nov 24

7:05 pm - 10:56 pmDEC-DEN

4h 51m1 stop

6:00 pm - 4:56 pmDEN-DEC

21h 56m2 stops

$484United Airlines

Find Deal

Tue, Mar 3 - Sat, Mar 7

7:08 pm - 11:15 pmDEC-DEN

5h 07m1 stop

10:05 am - 5:52 pmDEN-DEC

30h 47m2 stops

$520United Airlines

Find Deal

Sun, Nov 23 - Thu, Nov 27

7:08 pm - 11:15 pmDEC-DEN

5h 07m1 stop

5:50 pm - 5:52 pmDEN-DEC

23h 02m2 stops

$549United Airlines

Find Deal

Fri, Nov 21 - Mon, Nov 24

7:08 pm - 4:30 pmDEC-DEN

22h 22m1 stop

6:00 am - 5:52 pmDEN-DEC

10h 52m1 stop

$664United Airlines

Find Deal

Tue, Nov 25 - Sat, Nov 29

7:08 pm - 10:07 amDEC-DEN

39h 59m2 stops

6:00 am - 5:52 pmDEN-DEC

10h 52m1 stop

$734United Airlines

Find Deal

Tue, Nov 25 - Sat, Nov 29

7:08 pm - 10:07 amDEC-DEN

39h 59m2 stops

5:39 pm - 5:52 pmDEN-DEC

23h 13m2 stops

$814United Airlines

Find Deal

Tue, Nov 25 - Sat, Nov 29

9:44 am - 7:02 amDEC-DEN

22h 18m2 stops

5:40 pm - 5:52 pmDEN-DEC

23h 12m2 stops

$1,022United Airlines

Find Deal

Fri, Nov 21 - Mon, Nov 24

United Airlines flights from Decatur, Illinois to Denver

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

United Airlines

Mar 3

DEC7:05 pmDecatur Arpt

4h 51m

1 stop

DEN10:56 pmDenver Intl

Mar 7

DEN8:27 pmDenver Intl

10h 25m

1 stop

DEC7:52 amDecatur Arpt

$378

Find similar

United Airlines

Nov 23

DEC7:08 pmDecatur Arpt

5h 07m

1 stop

DEN11:15 pmDenver Intl

Nov 27

DEN11:15 amDenver Intl

20h 33m

1 stop

DEC8:48 amDecatur Arpt

$445

Find similar

United Airlines

Nov 21

DEC7:08 pmDecatur Arpt

5h 07m

1 stop

DEN11:15 pmDenver Intl

Nov 24

DEN7:46 amDenver Intl

9h 06m

1 stop

DEC5:52 pmDecatur Arpt

$475

Find similar

momondo Fare Finder

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

Tue 3/3

7:05 pm-10:56 pm

1 stop4h 51m

Denver Intl

Sat 3/7

8:27 pm-7:52 am

1 stop10h 25m

$378

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Sun 11/23

7:08 pm-11:15 pm

1 stop5h 07m

Denver Intl

Thu 11/27

11:15 am-8:48 am

1 stop20h 33m

$445

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 11/21

7:08 pm-11:15 pm

1 stop5h 07m

Denver Intl

Mon 11/24

7:46 am-5:52 pm

1 stop9h 06m

$475

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Tue 3/3

7:05 pm-10:56 pm

1 stop4h 51m

Denver Intl

Sat 3/7

6:00 pm-4:56 pm

2 stops21h 56m

$484

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Sun 11/23

7:08 pm-11:15 pm

1 stop5h 07m

Denver Intl

Thu 11/27

10:05 am-5:52 pm

2 stops30h 47m

$520

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 11/21

7:08 pm-11:15 pm

1 stop5h 07m

Denver Intl

Mon 11/24

5:50 pm-5:52 pm

2 stops23h 02m

$549

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Tue 11/25

7:08 pm-4:30 pm

1 stop22h 22m

Denver Intl

Sat 11/29

6:00 am-5:52 pm

1 stop10h 52m

$664

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Tue 11/25

7:08 pm-10:07 am

2 stops39h 59m

Denver Intl

Sat 11/29

6:00 am-5:52 pm

1 stop10h 52m

$734

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Tue 11/25

7:08 pm-10:07 am

2 stops39h 59m

Denver Intl

Sat 11/29

5:39 pm-5:52 pm

2 stops23h 13m

$814

DecaturDenver

DEC - DEN

DECDEN

Decatur Arpt

Fri 11/21

9:44 am-7:02 am

2 stops22h 18m

Denver Intl

Mon 11/24

5:40 pm-5:52 pm

2 stops23h 12m

$1,022

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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.

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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 4h 51m.
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.

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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.