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$299+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — DFW
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
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 August 4, 2026.

This United Airlines deal was found by Cheapflights users on 8/3. 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 9/29:12 am
DEC
-
DFW
2 stops12h 26m
United Airlines
Tue 9/811:56 am
DFW
-
DEC
1 stop6h 48m
United Airlines
Deal found 8/3$320
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/39:12 am
DEC
-
DFW
1 stop7h 25m
United Airlines
Thu 9/1011:56 am
DFW
-
DEC
1 stop6h 48m
United Airlines
Deal found 8/3$359
This United Airlines deal was found by Cheapflights users on 7/31. 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
Sun 9/207:20 am
DFW
-
DEC
2 stops11h 24m
United Airlines
Deal found 7/31$404
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/49:12 am
DEC
-
DFW
1 stop7h 25m
United Airlines
Sun 9/611:56 am
DFW
-
DEC
1 stop6h 03m
United Airlines
Deal found 7/30$439
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/149:12 am
DEC
-
DFW
1 stop7h 25m
United Airlines
Tue 8/1810:25 am
DFW
-
DEC
1 stop7h 34m
United Airlines
Deal found 7/30$444
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/149:12 am
DEC
-
DFW
2 stops14h 18m
United Airlines
Mon 8/1710:25 am
DFW
-
DEC
1 stop7h 34m
United Airlines
Deal found 8/2$464
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/17:20 pm
DEC
-
DFW
1 stop19h 55m
United Airlines
Mon 9/710:25 am
DFW
-
DEC
1 stop7h 34m
United Airlines
Deal found 8/3$472

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 August 4, 2026.

Round-trip from

$320
(United Airlines)

One-way from

$299
(United Airlines)
From Decatur Arpt to Dallas
Search Deals
One-way flight from Decatur Arpt to Dallas
Search Deals

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 August 4, 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

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 9/18

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Sun 9/20

7:20 am-6:44 pm

2 stops11h 24m

$404

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Wed 9/2

9:12 am-6:44 pm

2 stops9h 32m

Dallas/Fort Worth

Tue 9/8

9:36 am-6:44 pm

2 stops9h 08m

$407

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 8/14

9:12 am-4:37 pm

1 stop7h 25m

Dallas/Fort Worth

Tue 8/18

10:25 am-5:59 pm

1 stop7h 34m

$444

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 8/14

9:12 am-11:30 pm

2 stops14h 18m

Dallas/Fort Worth

Mon 8/17

10:25 am-5:59 pm

1 stop7h 34m

$464

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Tue 9/1

7:20 pm-3:15 pm

1 stop19h 55m

Dallas/Fort Worth

Mon 9/7

10:25 am-5:59 pm

1 stop7h 34m

$472
Quickest round-trip

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 8/14

9:12 am-3:15 pm

1 stop6h 03m

Dallas/Fort Worth

Sun 8/16

11:56 am-5:59 pm

1 stop6h 03m

$484

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Tue 10/27

6:57 pm-1:31 pm

1 stop18h 34m

Dallas/Fort Worth

Sat 10/31

12:28 pm-5:55 pm

1 stop5h 27m

$488

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Thu 10/8

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Sun 10/11

11:42 am-6:43 pm

1 stop7h 01m

$500
Cheapest one-way
Quickest one-way

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Sun 8/16

9:12 am-3:15 pm

1 stop6h 03m

$369

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Sat 8/15

7:20 pm-10:30 pm

1 stop27h 10m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 11 resultsSorted by cheapest first
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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 12h 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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