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Cheap flights from Denver to Decatur from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Decatur departing on 8/23. 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

Find the cheapest flights from Denver to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:15 am - 5:59 pmDEN  Denver Intl-DEC Decatur Arpt
5h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
7:20 pm - 11:54 pmDEC  Decatur Arpt-DEN Denver Intl
5h 34m1 stop Chicago O'Hare Intl
$361United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
9:52 am - 6:10 pmDEN  Denver Intl-DEC Decatur Arpt
7h 18m1 stop Chicago O'Hare Intl
United Airlines Logo
6:57 pm - 11:31 pmDEC  Decatur Arpt-DEN Denver Intl
5h 34m1 stop Chicago O'Hare Intl
$394United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
7:45 am - 8:35 amDEN  Denver Intl-DEC Decatur Arpt
23h 50m1 stop Chicago O'Hare Intl
United Airlines Logo
6:57 pm - 11:31 pmDEC  Decatur Arpt-DEN Denver Intl
5h 34m1 stop Chicago O'Hare Intl
$409United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
5:30 am - 6:44 pmDEN  Denver Intl-DEC Decatur Arpt
12h 14m1 stop Chicago O'Hare Intl
United Airlines Logo
7:20 pm - 6:39 amDEC  Decatur Arpt-DEN Denver Intl
12h 19m1 stop Chicago O'Hare Intl
$474United Airlines
Fri, Sep 18 - Sun, Sep 20
United Airlines Logo
9:00 pm - 6:10 pmDEN  Denver Intl-DEC Decatur Arpt
20h 10m2 stops Kansas City Chicago O'Hare Intl
United Airlines Logo
6:57 pm - 11:31 pmDEC  Decatur Arpt-DEN Denver Intl
5h 34m1 stop Chicago O'Hare Intl
$497United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
9:00 pm - 6:10 pmDEN  Denver Intl-DEC Decatur Arpt
20h 10m2 stops Kansas City Chicago O'Hare Intl
United Airlines Logo
6:57 pm - 11:31 pmDEC  Decatur Arpt-DEN Denver Intl
5h 34m1 stop Chicago O'Hare Intl
$509United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
9:52 am - 6:10 pmDEN  Denver Intl-DEC Decatur Arpt
7h 18m1 stop Chicago O'Hare Intl
United Airlines Logo
6:57 pm - 10:30 amDEC  Decatur Arpt-DEN Denver Intl
16h 33m2 stops Chicago O'Hare Intl Sioux Falls Joe Foss Field
$538United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
9:00 pm - 6:44 pmDEN  Denver Intl-DEC Decatur Arpt
20h 44m2 stops Minneapolis St Paul Chicago O'Hare Intl
United Airlines Logo
9:13 am - 7:34 amDEC  Decatur Arpt-DEN Denver Intl
23h 21m1 stop Chicago O'Hare Intl
$557United Airlines
Fri, Sep 18 - Sun, Sep 20
United Airlines Logo
5:40 pm - 5:59 pmDEN  Denver Intl-DEC Decatur Arpt
23h 19m2 stops Moline Quad-City Chicago O'Hare Intl
United Airlines Logo
7:20 pm - 11:54 pmDEC  Decatur Arpt-DEN Denver Intl
5h 34m1 stop Chicago O'Hare Intl
$598United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
5:58 pm - 8:35 amDEN  Denver Intl-DEC Decatur Arpt
13h 37m2 stops Cincinnati Cinci./N. Kentucky Chicago O'Hare Intl
United Airlines Logo
6:57 pm - 6:52 amDEC  Decatur Arpt-DEN Denver Intl
12h 55m2 stops Chicago O'Hare Intl Des Moines
$784United Airlines
Tue, Nov 3 - Sat, Nov 7

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United Airlines flights from Denver to Decatur, Illinois

Our best United Airlines deals on Denver to Decatur, Illinois flight tickets
United Airlines
Aug 25
DEN11:15 amDenver Intl
5h 44m
1 stop
DEC5:59 pmDecatur Arpt
Aug 29
DEC7:20 pmDecatur Arpt
5h 34m
1 stop
DEN11:54 pmDenver Intl
$361
United Airlines
Nov 3
DEN9:52 amDenver Intl
7h 18m
1 stop
DEC6:10 pmDecatur Arpt
Nov 7
DEC6:57 pmDecatur Arpt
5h 34m
1 stop
DEN11:31 pmDenver Intl
$394
United Airlines
Nov 3
DEN7:45 amDenver Intl
23h 50m
1 stop
DEC8:35 amDecatur Arpt
Nov 7
DEC6:57 pmDecatur Arpt
5h 34m
1 stop
DEN11:31 pmDenver Intl
$409

momondo Fare Finder

 
Customize your flight search to find flights from Denver 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 August 11, 2026.
Use the filters below to find and compare flights from Denver to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 8/25

11:15 am-5:59 pm

1 stop5h 44m

Decatur Arpt

Sat 8/29

7:20 pm-11:54 pm

1 stop5h 34m

$361

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

9:52 am-6:10 pm

1 stop7h 18m

Decatur Arpt

Sat 11/7

6:57 pm-11:31 pm

1 stop5h 34m

$394

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

7:45 am-8:35 am

1 stop23h 50m

Decatur Arpt

Sat 11/7

6:57 pm-11:31 pm

1 stop5h 34m

$409

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Fri 9/18

5:30 am-6:44 pm

1 stop12h 14m

Decatur Arpt

Sun 9/20

7:20 pm-6:39 am

1 stop12h 19m

$474

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

9:00 pm-6:10 pm

2 stops20h 10m

Decatur Arpt

Sat 11/7

6:57 pm-11:31 pm

1 stop5h 34m

$497

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

9:00 pm-6:10 pm

2 stops20h 10m

Decatur Arpt

Sat 11/7

6:57 pm-11:31 pm

1 stop5h 34m

$509

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

9:52 am-6:10 pm

1 stop7h 18m

Decatur Arpt

Sat 11/7

6:57 pm-10:30 am

2 stops16h 33m

$538

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Fri 9/18

9:00 pm-6:44 pm

2 stops20h 44m

Decatur Arpt

Sun 9/20

9:13 am-7:34 am

1 stop23h 21m

$557

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 8/25

5:40 pm-5:59 pm

2 stops23h 19m

Decatur Arpt

Sat 8/29

7:20 pm-11:54 pm

1 stop5h 34m

$598

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

5:58 pm-8:35 am

2 stops13h 37m

Decatur Arpt

Sat 11/7

6:57 pm-6:52 am

2 stops12h 55m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Decatur from

How to get the cheapest flight ticket from Denver 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 Denver Intl to Decatur Arpt?

United Airlines is the most popular carrier operating from Denver Intl 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 Denver according to our data. American Airlines is the first choice among our users, with 42% 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.

When to book flights from Denver to Decatur, Illinois

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

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

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

Fastest flight time

5h 44m

Direct flights

None
The fastest flight from Denver to Decatur, Illinois takes 5h 44m
There are no direct flights from Denver to Decatur, Illinois. There are no popular flight routes from Denver to Decatur, Illinois.
Search flight deals

Frequently asked questions about flying from Denver to Decatur, Illinois

  • How far is Denver Intl to Decatur Arpt by plane?

    The distance between Denver Intl and Decatur Arpt is about 849.3 mi. By plane, this route typically takes 5h 44m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport 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 Denver to Decatur?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Decatur from Denver.

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

Flights from Denver to Decatur with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Denver to Decatur.

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

Of course. momondo tracks the price of Denver to Decatur flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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