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Decatur

$334+ Cheap flights from Aurora, CO to Decatur, IL (DEC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEC
Jan 28 — Feb 41
Wed 1/28
Wed 2/4
1 adult, Economy
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Cheap 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 December 29, 2025.

This United Airlines deal was found by Cheapflights users on 12/27. 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.
Sun 12/283:20 pmDEN - DEC
1 stop25h 39mUnited Airlines
Thu 1/17:09 pmDEC - DEN
2 stops39h 55mUnited Airlines
Deal found 12/27$981

Find flight deals from Aurora to Decatur

Keep the following information in mind while searching for Aurora to Decatur flight deals. Data was last updated December 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$334
(United Airlines)
Provider with most accurate pricing for Denver Intl-Decatur Arpt flight deals.
Search Deals
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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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 December 29, 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

Wed 1/21

9:40 am-6:01 pm

1 stop7h 21m

Decatur Arpt

Sat 1/24

7:09 pm-11:02 pm

1 stop4h 53m

$334

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 2/13

3:20 pm-5:54 pm

1 stop25h 34m

Decatur Arpt

Sun 2/15

9:50 am-3:57 pm

1 stop7h 07m

$374

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 2/6

3:15 pm-6:01 pm

1 stop25h 46m

Decatur Arpt

Mon 2/9

9:49 am-4:34 pm

1 stop7h 45m

$374

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Sun 1/25

6:00 am-9:05 am

1 stop26h 05m

Decatur Arpt

Sun 2/1

9:49 am-2:51 pm

1 stop6h 02m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 7h 21m. 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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