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Decatur

$422+ Cheap flights from Dallas to Decatur, IL (DEC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — DEC
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap 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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/16. 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 5/712:26 pm
DFW
-
DEC
1 stop5h 32m
United Airlines
Sun 5/109:42 am
DEC
-
DFW
1 stop6h 25m
United Airlines
Deal found 4/16$422
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/127:00 am
DFW
-
DEC
1 stop5h 54m
United Airlines
Tue 5/197:25 pm
DEC
-
DFW
1 stop14h 40m
United Airlines
Deal found 4/14$424
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/77:20 am
DFW
-
DEC
2 stops10h 38m
United Airlines
Tue 5/267:05 pm
DEC
-
DFW
1 stop13h 40m
United Airlines
Deal found 4/16$448
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/2312:00 pm
DFW
-
DEC
1 stop5h 56m
United Airlines
Wed 5/279:37 am
DEC
-
DFW
1 stop6h 11m
United Airlines
Deal found 4/15$470
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/165:15 am
DFW
-
DEC
2 stops7h 39m
United Airlines
Sun 5/179:42 am
DEC
-
DFW
2 stops12h 14m
United Airlines
Deal found 4/15$473
This United Airlines deal was found by Cheapflights users on 4/13. 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 4/297:25 am
DFW
-
DEC
2 stops10h 32m
United Airlines
Sun 5/37:25 pm
DEC
-
DFW
1 stop27h 28m
United Airlines
Deal found 4/13$479

Find 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 April 18, 2026.

Round-trip from

$422
(United Airlines)
From Dallas to Decatur Arpt
Search Deals

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 April 18, 2026.
Use the filters below to find and compare flights from Dallas to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 5/7

12:26 pm-5:58 pm

1 stop5h 32m

Decatur Arpt

Sun 5/10

9:42 am-4:07 pm

1 stop6h 25m

$422

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Tue 5/12

7:00 am-12:54 pm

1 stop5h 54m

Decatur Arpt

Tue 5/19

7:25 pm-10:05 am

1 stop14h 40m

$424

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 5/7

7:20 am-5:58 pm

2 stops10h 38m

Decatur Arpt

Tue 5/26

7:05 pm-8:45 am

1 stop13h 40m

$448

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Sat 5/16

5:15 am-12:54 pm

2 stops7h 39m

Decatur Arpt

Sun 5/17

9:42 am-4:07 pm

1 stop6h 25m

$448

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Wed 4/29

7:25 am-5:57 pm

2 stops10h 32m

Decatur Arpt

Sun 5/3

7:25 pm-10:53 pm

1 stop27h 28m

$479

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Sat 5/23

5:47 pm-5:56 pm

1 stop24h 09m

Decatur Arpt

Wed 5/27

7:05 pm-1:34 pm

2 stops18h 29m

$482

DallasDecatur

DFW - DEC

DFWDEC

Dallas/Fort Worth

Thu 5/7

7:20 am-5:58 pm

2 stops10h 38m

Decatur Arpt

Sat 5/16

7:25 pm-2:21 pm

1 stop18h 56m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Sorted by cheapest first

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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