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Decatur

$192+ Cheap flights from Dallas 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — DEC
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Dallas to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) 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

$244
(United Airlines)

One-way from

$192
(United Airlines)
From Dallas to Decatur Arpt
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One-way flight from Dallas to Decatur Arpt
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Find flight deals from Dallas to Decatur

Cheapest flights from Dallas to Decatur
Explore the most affordable flight options available from Dallas 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 9/10. 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.
Wed 10/810:18 amDFW - DEC
1 stop7h 46mUnited Airlines
Wed 10/159:38 amDEC - DFW
1 stop5h 44mUnited Airlines
Deal found 9/10$244
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 11/2012:20 pmDFW - DEC
1 stop5h 32mUnited Airlines
Thu 12/49:49 amDEC - DFW
1 stop5h 43mUnited Airlines
Deal found 9/10$314
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 11/2012:20 pmDFW - DEC
1 stop5h 32mUnited Airlines
Wed 12/39:49 amDEC - DFW
2 stops10h 24mUnited Airlines
Deal found 9/10$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.
Sun 11/2312:20 pmDFW - DEC
1 stop5h 32mUnited Airlines
Tue 12/27:08 pmDEC - DFW
1 stop23h 13mUnited Airlines
Deal found 9/10$329
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 9/257:15 amDFW - DEC
2 stops10h 49mUnited Airlines
Mon 9/299:38 amDEC - DFW
1 stop5h 44mUnited Airlines
Deal found 9/10$334
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.
Wed 12/247:00 amDFW - DEC
1 stop26h 05mUnited Airlines
Tue 1/67:09 pmDEC - DFW
1 stop14h 54mUnited Airlines
Deal found 9/11$344
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.
Fri 10/1710:18 amDFW - DEC
1 stop7h 46mUnited Airlines
Sun 10/196:55 pmDEC - DFW
1 stop15h 09mUnited Airlines
Deal found 9/10$348
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2510:18 amDFW - DEC
1 stop7h 46mUnited Airlines
Sun 9/289:38 amDEC - DFW
1 stop5h 44mUnited Airlines
Deal found 9/9$349
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2810:18 amDFW - DEC
1 stop7h 46mUnited Airlines
Sat 10/49:38 amDEC - DFW
2 stops13h 44mUnited Airlines
Deal found 9/9$354
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.
Mon 11/243:45 pmDFW - DEC
2 stops26h 07mUnited Airlines
Mon 12/19:44 amDEC - DFW
1 stop5h 48mUnited Airlines
Deal found 9/10$358

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 Dallas to Decatur that are best for you.

Fly from

Dallas

Fly to

Decatur

Route

Depart

Return

Price

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Mon 11/24

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Wed 12/3

9:49 am-3:32 pm

1 stop5h 43m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Wed 11/26

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Mon 12/1

9:44 am-3:32 pm

1 stop5h 48m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Wed 11/26

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Wed 12/3

9:49 am-3:32 pm

1 stop5h 43m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Mon 11/24

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Thu 12/4

9:49 am-3:32 pm

1 stop5h 43m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Fri 11/21

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Mon 12/1

9:44 am-3:32 pm

1 stop5h 48m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Sun 11/23

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Wed 12/3

9:49 am-3:32 pm

1 stop5h 43m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 11/20

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Thu 12/4

9:49 am-3:32 pm

1 stop5h 43m

$314

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Sun 11/23

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Thu 12/4

9:49 am-8:13 pm

2 stops10h 24m

$324

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 9/25

12:21 pm-6:04 pm

1 stop5h 43m

Decatur Arpt

Mon 9/29

9:38 am-3:22 pm

1 stop5h 44m

$324

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Tue 11/25

12:20 pm-5:52 pm

1 stop5h 32m

Decatur Arpt

Thu 12/4

9:49 am-8:13 pm

2 stops10h 24m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 19 results
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Best time to book a flight from Dallas to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Dallas 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 Dallas to Decatur
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Dallas 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 Dallas?

    Most people fly into Decatur Arpt (DEC) if they book a flight to Decatur from Dallas. On average, Decatur Arpt has 0 inbound flights from Dallas per day from 0 airlines. Decatur Arpt is conveniently located just 4.7 mi from Decatur’s city center.

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

    United Airlines can get you from Dallas to Decatur, Illinois in just under 5h 32m. Your travel time can differ by up to . The distance between Dallas and Decatur, Illinois is about 660 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas 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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