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Cheap flights from Denver to Decatur from $328

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 3/24. 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
0 bags

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Find the cheapest flights from Denver to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 12:54 pm
DEN
-
DEC
5h 54m
1 stop
United Airlines Logo
7:37 pm - 12:58 am
DEC
-
DEN
6h 21m
1 stop
$374United Airlines
Sat, Apr 18 - Mon, Apr 20
United Airlines Logo
7:50 pm - 12:54 pm
DEN
-
DEC
16h 04m
1 stop
United Airlines Logo
7:37 pm - 11:59 pm
DEC
-
DEN
5h 22m
1 stop
$414United Airlines
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
6:00 am - 12:54 pm
DEN
-
DEC
5h 54m
1 stop
United Airlines Logo
7:37 pm - 9:59 am
DEC
-
DEN
15h 22m
2 stops
$432United Airlines
Sat, Apr 18 - Mon, Apr 20
United Airlines Logo
6:00 am - 5:57 pm
DEN
-
DEC
10h 57m
1 stop
United Airlines Logo
7:37 pm - 9:59 am
DEC
-
DEN
15h 22m
2 stops
$472United Airlines
Fri, Apr 17 - Mon, Apr 20

United Airlines flights from Denver to Decatur, Illinois

Our best United Airlines deals on Denver to Decatur, Illinois flight tickets
United Airlines
Apr 18
DEN6:00 amDenver Intl
5h 54m
1 stop
DEC12:54 pmDecatur Arpt
Apr 20
DEC7:37 pmDecatur Arpt
6h 21m
1 stop
DEN12:58 amDenver Intl
$374
United Airlines
Apr 17
DEN7:50 pmDenver Intl
16h 04m
1 stop
DEC12:54 pmDecatur Arpt
Apr 20
DEC7:37 pmDecatur Arpt
5h 22m
1 stop
DEN11:59 pmDenver Intl
$414
United Airlines
Apr 18
DEN6:00 amDenver Intl
5h 54m
1 stop
DEC12:54 pmDecatur Arpt
Apr 20
DEC7:37 pmDecatur Arpt
15h 22m
2 stops
DEN9:59 amDenver Intl
$432

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 March 16, 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 - DEC

DENDEC

Denver Intl

Sat 4/18

6:00 am-12:54 pm

1 stop5h 54m

Decatur Arpt

Mon 4/20

7:37 pm-12:58 am

1 stop6h 21m

$374

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 4/17

7:50 pm-12:54 pm

1 stop16h 04m

Decatur Arpt

Mon 4/20

7:37 pm-11:59 pm

1 stop5h 22m

$414

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sat 4/18

6:00 am-12:54 pm

1 stop5h 54m

Decatur Arpt

Mon 4/20

7:37 pm-9:59 am

2 stops15h 22m

$432

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 4/17

6:00 am-5:57 pm

1 stop10h 57m

Decatur Arpt

Mon 4/20

7:37 pm-9:59 am

2 stops15h 22m

$472
Cheapest one-way

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Tue 3/24

8:23 pm-5:53 pm

1 stop20h 30m

$328
Quickest one-way

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Tue 3/24

8:05 am-5:53 pm

2 stops8h 48m

$590

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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.

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 54m

Direct flights

None
The fastest flight from Denver to Decatur, Illinois takes 5h 54m
There are no direct flights from Denver to Decatur, Illinois. There are no popular flight routes from Denver to Decatur, Illinois.
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  • 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 54m.

  • 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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