HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas

$247+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — DFW
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
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.

Find 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 octubre 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/22. 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.
jue. 11/69:44 amDEC - DFW
1 stop5h 48mUnited Airlines
lun. 11/1012:20 pmDFW - DEC
1 stop5h 32mUnited Airlines
Deal found 10/22$306
This United Airlines deal was found by Cheapflights users on 10/23. 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.
vie. 12/129:49 amDEC - DFW
1 stop5h 43mUnited Airlines
lun. 12/157:17 pmDFW - DEC
1 stop22h 35mUnited Airlines
Deal found 10/23$319
This United Airlines deal was found by Cheapflights users on 10/23. 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.
vie. 11/79:44 amDEC - DFW
1 stop5h 48mUnited Airlines
mar. 11/1112:20 pmDFW - DEC
1 stop5h 32mUnited Airlines
Deal found 10/23$324
This United Airlines deal was found by Cheapflights users on 10/22. 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.
mié. 11/199:44 amDEC - DFW
2 stops10h 31mUnited Airlines
jue. 12/47:17 pmDFW - DEC
1 stop22h 35mUnited Airlines
Deal found 10/22$329
This United Airlines deal was found by Cheapflights users on 10/23. 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.
jue. 11/69:44 amDEC - DFW
2 stops9h 46mUnited Airlines
jue. 11/137:25 amDFW - DEC
2 stops10h 27mUnited Airlines
Deal found 10/23$334
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/59:44 amDEC - DFW
1 stop5h 48mUnited Airlines
dom. 11/97:25 amDFW - DEC
2 stops10h 27mUnited Airlines
Deal found 10/21$359
This United Airlines deal was found by Cheapflights users on 10/23. 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.
jue. 10/309:44 amDEC - DFW
1 stop5h 48mUnited Airlines
mar. 11/412:20 pmDFW - DEC
1 stop5h 32mUnited Airlines
Deal found 10/23$384

Cheap 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 octubre 23, 2025.

Round-trip from

$306
(United Airlines)

One-way from

$247
(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 octubre 23, 2025.
Use the filters below to find and compare flights from Decatur to Dallas that are best for you.

Fly from

Decatur

Fly to

Dallas

Route

Depart

Return

Price

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

jue. 11/6

9:44 am-3:32 pm

1 stop5h 48m

Dallas/Fort Worth

lun. 11/10

12:20 pm-5:52 pm

1 stop5h 32m

$306

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

mié. 1/7

7:09 pm-12:25 pm

1 stop17h 16m

Dallas/Fort Worth

mié. 1/14

10:25 am-6:01 pm

1 stop7h 36m

$319

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

vie. 11/7

9:44 am-3:32 pm

1 stop5h 48m

Dallas/Fort Worth

mar. 11/11

12:20 pm-5:52 pm

1 stop5h 32m

$324

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

mié. 11/19

9:44 am-8:15 pm

2 stops10h 31m

Dallas/Fort Worth

jue. 12/4

7:17 pm-5:52 pm

1 stop22h 35m

$329

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

vie. 1/16

7:09 pm-11:05 pm

1 stop27h 56m

Dallas/Fort Worth

lun. 6/1

10:15 am-5:51 pm

1 stop7h 36m

$354

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

jue. 2/19

7:05 pm-3:58 pm

2 stops20h 53m

Dallas/Fort Worth

lun. 2/23

7:18 pm-5:56 pm

1 stop22h 38m

$359

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

mié. 3/25

9:49 am-3:36 pm

1 stop5h 47m

Dallas/Fort Worth

sáb. 3/28

7:30 pm-5:51 pm

1 stop22h 21m

$378

DecaturDallas

DEC - DFW

DECDFW

Decatur Arpt

vie. 11/7

9:44 am-12:06 pm

1 stop26h 22m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

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

What is the cheapest month to book a flight from Decatur, Illinois to Dallas?

Currently, March is the cheapest month in which you can book a flight from Decatur, Illinois to Dallas (average of $246). Flying from Decatur, Illinois to Dallas in February is currently the most expensive (average of $355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 48m. 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.

  • What is the cheapest month to book a flight from Decatur, Illinois to Dallas?

    Currently, March is the cheapest month in which you can book a flight from Decatur, Illinois to Dallas (average of $246). Flying from Decatur, Illinois to Dallas in February is currently the most expensive (average of $355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Austin flights
Midway to Hobby flights
O'Hare Intl to Hobby flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to Love Field flights
Midway to Love Field flights
O'Hare Intl to San Antonio flights
St. Louis to Dallas/Fort Worth flights
Midway to George Bush Intcntl flights
Midway to Austin flights
St. Louis to Hobby flights
St. Louis to George Bush Intcntl flights
O'Hare Intl to El Paso flights
Midway to San Antonio flights
Moline to Dallas/Fort Worth flights
St. Louis to San Antonio flights
St. Louis to Love Field flights
St. Louis to Austin flights
Peoria to Dallas/Fort Worth flights
O'Hare Intl to McAllen flights
Evansville to Dallas/Fort Worth flights
O'Hare Intl to Brownsville flights
Midway to El Paso flights
Peoria to Hobby flights
Bloomington to Dallas/Fort Worth flights
Peoria to San Antonio flights
Decatur to Dallas/Fort Worth flights
Peoria to Austin flights
Peoria to George Bush Intcntl flights
Champaign to Dallas/Fort Worth flights
O'Hare Intl to Harlingen flights
Moline to Love Field flights
O'Hare Intl to Laredo flights
Moline to Hobby flights
St. Louis to Midland flights
Moline to Austin flights
Moline to George Bush Intcntl flights
Moline to San Antonio flights
Evansville to Hobby flights
O'Hare Intl to Corpus Christi flights
Springfield to Dallas/Fort Worth flights
St. Louis to El Paso flights
Evansville to Love Field flights
St. Louis to Amarillo flights
Evansville to George Bush Intcntl flights
Peoria to El Paso flights
O'Hare Intl to Amarillo flights
O'Hare Intl to Lubbock 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.