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$270+ Cheap flights from Decatur, IL (DEC) to Dallas

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — DFW
Jul 31 — Aug 71
Fri 7/31
Fri 8/7
1 adult, Economy
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Cheap flight deals from Decatur to Dallas

Cheapest flights from Decatur to Dallas
Explore the most affordable flight options available from Decatur to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.

This United Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 7/99:37 am
DEC
-
DFW
1 stop6h 11m
United Airlines
Mon 7/1312:00 pm
DFW
-
DEC
1 stop5h 56m
United Airlines
Deal found 6/28$364
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/79:37 am
DEC
-
DFW
1 stop5h 26m
United Airlines
Sun 8/912:00 pm
DFW
-
DEC
1 stop5h 56m
United Airlines
Deal found 6/29$384
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 8/209:12 am
DEC
-
DFW
1 stop6h 03m
United Airlines
Tue 8/259:36 am
DFW
-
DEC
2 stops8h 23m
United Airlines
Deal found 6/28$394
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/189:12 am
DEC
-
DFW
1 stop7h 45m
United Airlines
Mon 9/2111:56 am
DFW
-
DEC
1 stop6h 47m
United Airlines
Deal found 6/30$399
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/159:37 am
DEC
-
DFW
2 stops9h 54m
United Airlines
Sun 7/1912:00 pm
DFW
-
DEC
1 stop5h 56m
United Airlines
Deal found 6/30$408
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Wed 7/159:37 am
DEC
-
DFW
1 stop5h 26m
United Airlines
Sat 7/257:20 am
DFW
-
DEC
2 stops10h 36m
United Airlines
Deal found 6/28$424
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 7/29:37 am
DEC
-
DFW
1 stop5h 26m
United Airlines
Sun 7/512:00 pm
DFW
-
DEC
1 stop5h 56m
United Airlines
Deal found 6/28$434
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/249:37 am
DEC
-
DFW
1 stop5h 26m
United Airlines
Sun 7/267:20 am
DFW
-
DEC
2 stops10h 36m
United Airlines
Deal found 6/30$439
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 7/286:45 pm
DEC
-
DFW
1 stop16h 43m
United Airlines
Tue 8/412:00 pm
DFW
-
DEC
1 stop5h 56m
United Airlines
Deal found 6/29$441

Find flight deals from Decatur to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Decatur (DEC) to Dallas (A78). 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 July 1, 2026.

Round-trip from

$384
(United Airlines)

One-way from

$270
(United Airlines)
From Decatur Arpt to Dallas
Search Deals
One-way flight from Decatur Arpt to Dallas
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur to Dallas 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 July 1, 2026.
Use the filters below to find and compare flights from Decatur to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 8/7

9:37 am-3:03 pm

1 stop5h 26m

Dallas/Fort Worth

Sun 8/9

12:00 pm-5:56 pm

1 stop5h 56m

$384

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Wed 8/5

9:37 am-3:48 pm

1 stop6h 11m

Dallas/Fort Worth

Sat 8/15

10:24 am-5:59 pm

1 stop7h 35m

$384

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Thu 10/8

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Sat 10/10

9:50 am-6:43 pm

2 stops8h 53m

$394

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 9/18

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Mon 9/21

11:56 am-6:43 pm

1 stop6h 47m

$399

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Thu 7/16

9:37 am-3:03 pm

1 stop5h 26m

Dallas/Fort Worth

Sat 7/25

12:00 pm-5:56 pm

1 stop5h 56m

$399

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Thu 8/20

9:12 am-8:26 pm

2 stops11h 14m

Dallas/Fort Worth

Tue 8/25

9:36 am-5:59 pm

2 stops8h 23m

$399

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Wed 7/15

9:37 am-3:03 pm

1 stop5h 26m

Dallas/Fort Worth

Sat 7/25

7:20 am-5:56 pm

2 stops10h 36m

$424

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 7/24

9:37 am-3:03 pm

1 stop5h 26m

Dallas/Fort Worth

Sun 7/26

12:00 pm-5:56 pm

1 stop5h 56m

$444
Cheapest one-way
Quickest one-way

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Tue 8/18

7:20 pm-1:09 pm

1 stop17h 49m

$270

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Mon 7/13

9:37 am-1:08 pm

1 stop27h 31m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Decatur to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Decatur 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 Decatur to Dallas
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 Decatur to Dallas. 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 from for flights from Decatur to Dallas?

    Located just 4.7 mi from the city center, Decatur Arpt is the airport most travelers will use when flying to Dallas from Decatur. Booking flights from Decatur Arpt (DEC) to Dallas should be relatively easy as there are 0 daily outbound flights to Dallas from 0 different airlines.

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

    There are many flights that can get you from Decatur, Illinois to Dallas in 5h 26m. Fly via United Airlines to get the fastest option. Decatur, Illinois and Dallas are separated by a distance of 660 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Decatur to Dallas 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

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