HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas

$260+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — DFW
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Decatur to Dallas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 23, 2026.

This United Airlines deal was found by Cheapflights users on 4/22. 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 5/89:42 am
DEC
-
DFW
1 stop6h 25m
United Airlines
Tue 5/127:54 pm
DFW
-
DEC
1 stop13h 04m
United Airlines
Deal found 4/22$400
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/89:42 am
DEC
-
DFW
1 stop6h 25m
United Airlines
Sat 5/167:54 pm
DFW
-
DEC
1 stop22h 04m
United Airlines
Deal found 4/21$416
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/139:42 am
DEC
-
DFW
2 stops8h 48m
United Airlines
Wed 5/207:25 pm
DFW
-
DEC
2 stops13h 32m
United Airlines
Deal found 4/22$426
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/49:37 am
DEC
-
DFW
1 stop6h 11m
United Airlines
Sat 6/1310:00 am
DFW
-
DEC
1 stop22h 57m
United Airlines
Deal found 4/21$438
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/79:42 am
DEC
-
DFW
1 stop6h 25m
United Airlines
Mon 5/257:37 pm
DFW
-
DEC
1 stop22h 19m
United Airlines
Deal found 4/19$443
This United Airlines deal was found by Cheapflights users on 4/20. 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 6/57:05 pm
DEC
-
DFW
1 stop23h 23m
United Airlines
Sun 6/77:00 am
DFW
-
DEC
1 stop25h 57m
United Airlines
Deal found 4/20$445
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/139:42 am
DEC
-
DFW
2 stops10h 39m
United Airlines
Sat 5/165:33 pm
DFW
-
DEC
1 stop24h 25m
United Airlines
Deal found 4/19$454
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/277:05 pm
DEC
-
DFW
1 stop14h 53m
United Airlines
Sun 5/317:34 pm
DFW
-
DEC
2 stops13h 23m
United Airlines
Deal found 4/21$455

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 April 23, 2026.

Round-trip from

$400
(United Airlines)

One-way from

$260
(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 April 23, 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 5/8

9:42 am-4:07 pm

1 stop6h 25m

Dallas/Fort Worth

Tue 5/12

7:20 am-5:57 pm

2 stops10h 37m

$424

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Wed 5/13

9:42 am-6:30 pm

2 stops8h 48m

Dallas/Fort Worth

Wed 5/20

7:25 pm-8:57 am

2 stops13h 32m

$426

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Thu 6/4

9:37 am-3:48 pm

1 stop6h 11m

Dallas/Fort Worth

Sat 6/13

10:00 am-8:57 am

1 stop22h 57m

$438

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Thu 5/7

9:42 am-4:07 pm

1 stop6h 25m

Dallas/Fort Worth

Sat 5/9

5:20 pm-8:58 am

2 stops15h 38m

$496

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 5/8

9:42 am-8:33 pm

2 stops10h 51m

Dallas/Fort Worth

Sat 5/16

5:15 am-5:57 pm

2 stops12h 42m

$498

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Mon 5/18

7:25 pm-11:41 am

2 stops16h 16m

Dallas/Fort Worth

Mon 5/25

7:34 pm-5:56 pm

2 stops22h 22m

$527

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Wed 5/13

9:42 am-8:33 pm

2 stops10h 51m

Dallas/Fort Worth

Sat 5/16

7:10 am-5:57 pm

2 stops10h 47m

$533

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Fri 5/1

9:42 am-10:45 pm

2 stops13h 03m

Dallas/Fort Worth

Sun 5/3

7:28 pm-8:58 am

2 stops13h 30m

$561

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Sun 4/26

9:52 am-8:01 pm

2 stops10h 09m

Dallas/Fort Worth

Sat 5/2

7:20 am-5:57 pm

2 stops10h 37m

$600
Quickest round-trip

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

Wed 5/27

9:37 am-6:22 pm

1 stop8h 45m

Dallas/Fort Worth

Sun 5/31

10:00 am-5:56 pm

1 stop7h 56m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 12 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 6h 25m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Decatur to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Hobby flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to Austin flights
Midway to Hobby flights
O'Hare Intl to Love Field flights
St. Louis to Dallas/Fort Worth flights
Midway to George Bush Intcntl flights
O'Hare Intl to San Antonio flights
Midway to Love Field flights
St. Louis to Hobby flights
St. Louis to George Bush Intcntl flights
Midway to Austin flights
O'Hare Intl to El Paso flights
Moline to Dallas/Fort Worth flights
St. Louis to Love Field flights
Midway to San Antonio flights
St. Louis to Austin flights
Peoria to Dallas/Fort Worth flights
St. Louis to San Antonio flights
Bloomington to Dallas/Fort Worth flights
Bloomington to Austin flights
Midway to El Paso flights
Peoria to Austin flights
Moline to Hobby flights
Moline to San Antonio flights
Evansville to Dallas/Fort Worth flights
Moline to George Bush Intcntl flights
O'Hare Intl to McAllen flights
O'Hare Intl to Lubbock flights
Moline to Austin flights
Decatur to Dallas/Fort Worth flights
Champaign to Dallas/Fort Worth flights
Evansville to Hobby flights
St. Louis to El Paso flights
Evansville to George Bush Intcntl flights
O'Hare Intl to Midland flights
Springfield to Dallas/Fort Worth flights
Peoria to San Antonio flights
Bloomington to Hobby flights
Evansville to Love Field flights
Peoria to Hobby flights
Bloomington to Love Field flights
Champaign to Austin flights
O'Hare Intl to Corpus Christi flights
O'Hare Intl to Harlingen flights
St. Louis to Corpus Christi flights
Peoria to George Bush Intcntl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.