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Decatur

$195+ Cheap flights from Austin to Decatur, IL (AUS - 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — DEC
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Austin to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$314
(United Airlines)

One-way from

$195
(United Airlines)
From Austin Bergstrom to Decatur Arpt
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One-way flight from Austin Bergstrom to Decatur Arpt
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Find flight deals from Austin to Decatur

Cheapest flights from Austin to Decatur
Explore the most affordable flight options available from Austin to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2612:48 pmAUS - DEC
1 stop5h 16mUnited Airlines
Tue 9/309:38 amDEC - AUS
1 stop6h 26mUnited Airlines
Deal found 9/11$324
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/2512:48 pmAUS - DEC
1 stop5h 16mUnited Airlines
Mon 9/299:38 amDEC - AUS
2 stops11h 49mUnited Airlines
Deal found 9/10$355
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/1212:48 pmAUS - DEC
1 stop5h 11mUnited Airlines
Fri 10/106:55 pmDEC - AUS
1 stop15h 13mUnited Airlines
Deal found 9/11$377
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/113:51 pmAUS - DEC
1 stop26h 13mUnited Airlines
Mon 10/136:55 pmDEC - AUS
1 stop16h 47mUnited Airlines
Deal found 9/11$452

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin 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 September 11, 2025.
Use the filters below to find and compare flights from Austin to Decatur that are best for you.

Fly from

Austin

Fly to

Decatur

Route

Depart

Return

Price

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Wed 3/4

7:02 am-2:31 pm

1 stop7h 29m

Decatur Arpt

Sat 3/7

3:20 pm-10:29 pm

1 stop7h 09m

$314

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Thu 9/25

12:48 pm-6:04 pm

1 stop5h 16m

Decatur Arpt

Mon 9/29

9:38 am-9:27 pm

2 stops11h 49m

$355

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Sat 10/11

3:51 pm-6:04 pm

1 stop26h 13m

Decatur Arpt

Mon 10/13

6:55 pm-11:42 am

1 stop16h 47m

$452

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Fri 9/26

12:48 pm-6:04 pm

1 stop5h 16m

Decatur Arpt

Tue 9/30

9:38 am-11:04 am

3 stops25h 26m

$485

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Sat 10/11

12:43 pm-8:51 am

1 stop20h 08m

$195

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Wed 11/26

12:59 pm-5:52 pm

1 stop4h 53m

$269

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Thu 9/25

5:15 pm-8:51 am

1 stop15h 36m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Austin to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Austin 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.

Related info for your journey

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

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

    Airlines like United Airlines fly from Austin to Decatur, Illinois in about 7h 29m. The time it takes to get you to your destination can typically vary by up to . The distance from Austin to Decatur, Illinois is about 830 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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.

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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