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Cheap flights from Denver to Decatur from $416

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Decatur departing on 5/28. 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 - 5:56 pm
DEN
-
DEC
10h 56m
1 stop
United Airlines Logo
6:45 pm - 11:53 pm
DEC
-
DEN
6h 08m
1 stop
$416United Airlines
Thu, May 28 - Tue, Jun 2
United Airlines Logo
8:45 am - 8:46 am
DEN
-
DEC
23h 01m
1 stop
United Airlines Logo
6:55 pm - 11:34 pm
DEC
-
DEN
5h 39m
1 stop
$422United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
9:05 pm - 5:56 pm
DEN
-
DEC
19h 51m
1 stop
United Airlines Logo
7:05 pm - 7:42 am
DEC
-
DEN
13h 37m
1 stop
$448United Airlines
Thu, May 28 - Sun, May 31
United Airlines Logo
8:30 pm - 5:51 pm
DEN
-
DEC
20h 21m
2 stops
United Airlines Logo
6:55 pm - 11:34 pm
DEC
-
DEN
5h 39m
1 stop
$466United Airlines
Fri, Aug 21 - Mon, Aug 24
United Airlines Logo
8:45 pm - 5:56 pm
DEN
-
DEC
20h 11m
2 stops
United Airlines Logo
6:45 pm - 11:53 pm
DEC
-
DEN
6h 08m
1 stop
$490United Airlines
Thu, May 28 - Tue, Jun 2
United Airlines Logo
7:40 am - 8:57 am
DEN
-
DEC
24h 17m
1 stop
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
DEN
5h 48m
1 stop
$500United Airlines
Thu, May 21 - Tue, May 26
United Airlines Logo
8:45 pm - 5:56 pm
DEN
-
DEC
20h 11m
2 stops
United Airlines Logo
7:05 pm - 11:53 pm
DEC
-
DEN
5h 48m
1 stop
$505United Airlines
Thu, May 21 - Tue, May 26
United Airlines Logo
8:40 pm - 5:51 pm
DEN
-
DEC
20h 11m
2 stops
United Airlines Logo
6:55 pm - 11:34 pm
DEC
-
DEN
5h 39m
1 stop
$507United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
7:40 am - 8:57 am
DEN
-
DEC
24h 17m
1 stop
United Airlines Logo
9:37 am - 6:41 am
DEC
-
DEN
22h 04m
1 stop
$522United Airlines
Thu, May 21 - Mon, May 25
United Airlines Logo
12:20 pm - 5:56 pm
DEN
-
DEC
28h 36m
2 stops
United Airlines Logo
7:05 pm - 6:41 am
DEC
-
DEN
12h 36m
1 stop
$527United Airlines
Thu, May 21 - Mon, May 25

United Airlines flights from Denver to Decatur, Illinois

Our best United Airlines deals on Denver to Decatur, Illinois flight tickets
United Airlines
May 28
DEN6:00 amDenver Intl
10h 56m
1 stop
DEC5:56 pmDecatur Arpt
Jun 2
DEC6:45 pmDecatur Arpt
6h 08m
1 stop
DEN11:53 pmDenver Intl
$416
United Airlines
Sep 1
DEN8:45 amDenver Intl
23h 01m
1 stop
DEC8:46 amDecatur Arpt
Sep 5
DEC6:55 pmDecatur Arpt
5h 39m
1 stop
DEN11:34 pmDenver Intl
$422
United Airlines
May 28
DEN9:05 pmDenver Intl
19h 51m
1 stop
DEC5:56 pmDecatur Arpt
May 31
DEC7:05 pmDecatur Arpt
13h 37m
1 stop
DEN7:42 amDenver Intl
$448

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 May 4, 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

Thu 5/28

6:00 am-5:56 pm

1 stop10h 56m

Decatur Arpt

Tue 6/2

6:45 pm-11:53 pm

1 stop6h 08m

$416

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Tue 9/1

8:45 am-8:46 am

1 stop23h 01m

Decatur Arpt

Sat 9/5

6:55 pm-11:34 pm

1 stop5h 39m

$422

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 5/28

9:05 pm-5:56 pm

1 stop19h 51m

Decatur Arpt

Sun 5/31

7:05 pm-7:42 am

1 stop13h 37m

$448

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 8/21

8:30 pm-5:51 pm

2 stops20h 21m

Decatur Arpt

Mon 8/24

6:55 pm-11:34 pm

1 stop5h 39m

$466

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 5/28

8:45 pm-5:56 pm

2 stops20h 11m

Decatur Arpt

Tue 6/2

6:45 pm-11:53 pm

1 stop6h 08m

$490

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 5/21

7:40 am-8:57 am

1 stop24h 17m

Decatur Arpt

Tue 5/26

7:05 pm-11:53 pm

1 stop5h 48m

$500

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 5/21

8:45 pm-5:56 pm

2 stops20h 11m

Decatur Arpt

Tue 5/26

7:05 pm-11:53 pm

1 stop5h 48m

$505

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Tue 9/1

8:40 pm-5:51 pm

2 stops20h 11m

Decatur Arpt

Sat 9/5

6:55 pm-11:34 pm

1 stop5h 39m

$507

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 5/21

7:40 am-8:57 am

1 stop24h 17m

Decatur Arpt

Mon 5/25

9:37 am-6:41 am

1 stop22h 04m

$522

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 5/21

12:20 pm-5:56 pm

2 stops28h 36m

Decatur Arpt

Mon 5/25

7:05 pm-6:41 am

1 stop12h 36m

$527

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 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 47% 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

10h 56m

Direct flights

None
The fastest flight from Denver to Decatur, Illinois takes 10h 56m
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 10h 56m.

  • 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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