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Decatur

$234+ Cheap flights from Aurora, CO to Decatur, IL (DEC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEC
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Aurora to Decatur

Keep the following information in mind while searching for Aurora to Decatur flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$332
(United Airlines)

One-way from

$234
(United Airlines)
Provider with most accurate pricing for Denver Intl-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Decatur Arpt flights.
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From Aurora to Decatur Arpt
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One-way flight from Aurora to Decatur Arpt
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Find flight deals from Aurora to Decatur

Cheapest flights from Aurora to Decatur
Explore the most affordable flight options available from Aurora to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:35 amDEN - DEC
1 stop22h 30mUnited Airlines
Wed 12/319:44 amDEC - DEN
1 stop24h 21mUnited Airlines
Deal found 11/4$434
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amDEN - DEC
1 stop10h 59mUnited Airlines
Thu 12/259:44 amDEC - DEN
1 stop14h 54mUnited Airlines
Deal found 11/4$513
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:25 pmDEN - DEC
1 stop27h 27mUnited Airlines
Mon 11/249:44 amDEC - DEN
1 stop6h 06mUnited Airlines
Deal found 11/5$550
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amDEN - DEC
1 stop25h 48mUnited Airlines
Sat 11/157:08 pmDEC - DEN
1 stop16h 27mUnited Airlines
Deal found 11/4$624

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aurora to Decatur 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, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Aurora to Decatur that are best for you.

Fly from

Aurora

Fly to

Decatur

Route

Depart

Return

Price

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 12/26

9:35 am-9:05 am

1 stop22h 30m

Decatur Arpt

Wed 12/31

9:44 am-9:05 am

1 stop24h 21m

$434

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sat 12/20

5:45 pm-9:05 am

1 stop14h 20m

Decatur Arpt

Thu 12/25

9:44 am-11:44 pm

2 stops15h 00m

$533

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 11/20

1:25 pm-5:52 pm

1 stop27h 27m

Decatur Arpt

Mon 11/24

9:44 am-2:50 pm

1 stop6h 06m

$550

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Thu 11/13

6:00 am-8:48 am

1 stop25h 48m

Decatur Arpt

Sat 11/15

7:08 pm-10:35 am

1 stop16h 27m

$624

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 12/19

6:49 pm-9:05 am

2 stops13h 16m

Decatur Arpt

Thu 12/25

9:44 am-11:44 pm

2 stops15h 00m

$660

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Tue 11/25

6:00 am-8:48 am

1 stop25h 48m

Decatur Arpt

Sun 11/30

7:08 pm-5:45 pm

1 stop23h 37m

$683

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 12/26

9:35 am-5:59 pm

1 stop7h 24m

$234

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Mon 1/5

7:26 pm-6:01 pm

1 stop21h 35m

$241

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sun 1/4

8:26 pm-9:05 am

1 stop11h 39m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Best time to book a flight from Aurora to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Aurora with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Aurora to Decatur

What is the cheapest month to book a flight from Aurora to Decatur, Illinois?

Currently, July is the cheapest month in which you can book a flight from Aurora to Decatur, Illinois (average of $46). Flying from Aurora to Decatur, Illinois in March is currently the most expensive (average of $133). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Aurora to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Decatur from Aurora?

    Decatur Arpt (DEC) is the airport you will fly into if you book a flight from Aurora to Decatur. You should not have trouble finding flights to Decatur Arpt from Aurora; the airport handles an average of 0 inbound flights from Aurora per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Decatur airport from Aurora. It is only a 4.7 mi journey from Decatur Arpt (DEC) to Decatur’s city center.

  • How long is the flight from Aurora to Decatur, Illinois?

    Airlines like United Airlines fly from Aurora to Decatur, Illinois in about 22h 30m. The time it takes to get you to your destination can typically vary by up to . The distance between Aurora and Decatur, Illinois is about 837 mi.

  • Can I find deals for flights from Aurora to Decatur that include hotel bookings?

    Yes. In addition to deals on Aurora to Decatur flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aurora to Decatur?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Aurora to Decatur.

  • Can I find deals for business class flights from Aurora to Decatur?

    Yes. Cheapflights offers flight deals from Aurora to Decatur by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Aurora to Decatur, Illinois?

    Currently, July is the cheapest month in which you can book a flight from Aurora to Decatur, Illinois (average of $46). Flying from Aurora to Decatur, Illinois in March is currently the most expensive (average of $133). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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