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Decatur

$269+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — DEC
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/1712:59 pmAUS - DEC
1 stop4h 53mUnited Airlines
Mon 11/249:44 amDEC - AUS
2 stops10h 09mUnited Airlines
Deal found 10/27$359
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/1012:59 pmAUS - DEC
1 stop4h 53mUnited Airlines
Fri 11/149:44 amDEC - AUS
1 stop24h 46mUnited Airlines
Deal found 10/26$391
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/196:45 amAUS - DEC
1 stop26h 20mUnited Airlines
Sun 12/219:44 amDEC - AUS
2 stops11h 11mUnited Airlines
Deal found 10/28$492
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/712:59 pmAUS - DEC
1 stop4h 53mUnited Airlines
Sun 11/97:08 pmDEC - AUS
1 stop16h 45mUnited Airlines
Deal found 10/26$541

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(United Airlines)

One-way from

$269
(United Airlines)
Provider with most accurate pricing for Austin Bergstrom-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Decatur Arpt flights.
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From Austin Bergstrom to Decatur Arpt
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One-way flight from Austin Bergstrom to Decatur Arpt
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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 October 28, 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

Mon 11/17

12:59 pm-5:52 pm

1 stop4h 53m

Decatur Arpt

Mon 11/24

9:44 am-7:53 pm

2 stops10h 09m

$359

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Mon 11/10

12:59 pm-5:52 pm

1 stop4h 53m

Decatur Arpt

Fri 11/14

9:44 am-10:30 am

1 stop24h 46m

$391

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Wed 3/4

1:10 pm-5:56 pm

1 stop4h 46m

Decatur Arpt

Sat 3/7

7:09 pm-9:45 pm

1 stop26h 36m

$447

AustinDecatur

AUS - DEC

AUSDEC

Austin Bergstrom

Fri 12/19

6:45 am-9:05 am

1 stop26h 20m

Decatur Arpt

Sun 12/21

9:44 am-8:55 pm

2 stops11h 11m

$492

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 11/6

6:17 pm-8:48 am

2 stops14h 31m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Austin to Decatur

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Decatur in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Decatur, Illinois flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Decatur, Illinois flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Decatur, Illinois flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from Austin to Decatur, Illinois (average of $166). Flying from Austin to Decatur, Illinois in April is currently the most expensive (average of $328). 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 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 4h 53m. 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.

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

    Currently, August is the cheapest month in which you can book a flight from Austin to Decatur, Illinois (average of $166). Flying from Austin to Decatur, Illinois in April is currently the most expensive (average of $328). 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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