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

There are many flights that can get you from Decatur, Illinois to Dallas in 7h 25m. Fly via United Airlines to get the fastest option. Decatur, Illinois and Dallas are separated by a distance of 660 mi.

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest time of day to fly from DEC to DFW?

When flying from Decatur, Illinois to Dallas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$286+ Cheap Flights from Decatur, IL to Dallas

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Cheap flight deals from Decatur to Dallas

Cheapest

Best

Last-minute

One-way

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 22, 2026.

Wed 9/239:13 am -

1 stop6h 03m

Wed 9/3011:42 am -

1 stop7h 01m

Deal found 8/19

$314

Fri 9/49:12 am -

1 stop7h 25m

Mon 9/711:56 am -

1 stop6h 03m

Deal found 8/18

$344

Fri 11/139:10 am -

1 stop7h 11m

Tue 11/1710:39 am -

1 stop7h 31m

Deal found 8/21

$394

Fri 10/169:12 am -

1 stop6h 05m

Fri 10/237:20 am -

2 stops11h 23m

Deal found 8/17

$404

Wed 9/29:12 am -

1 stop7h 25m

Sun 9/611:56 am -

1 stop6h 03m

Deal found 8/18

$424

Best flights from Decatur to Dallas
Discover carefully curated flight deals from Decatur to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Fri 9/49:12 am -

2 stops12h 26m

Tue 9/811:56 am -

1 stop6h 48m

Deal found 8/20

$350

Fri 9/49:12 am -

2 stops10h 45m

Mon 9/79:36 am -

2 stops8h 23m

Deal found 8/18

$389

Sat 12/128:53 am -

1 stop4h 40m

Wed 12/1612:39 pm -

1 stop5h 12m

Deal found 8/21

$394

Fri 10/169:12 am -

1 stop6h 05m

Fri 10/237:20 am -

2 stops11h 23m

Deal found 8/17

$404

Fri 11/139:10 am -

1 stop7h 11m

Tue 11/176:30 am -

2 stops11h 40m

Deal found 8/21

$404

Wed 9/29:12 am -

1 stop7h 25m

Sun 9/611:56 am -

1 stop6h 03m

Deal found 8/19

$424

Tue 10/137:18 pm -

1 stop14h 23m

Tue 10/2712:31 pm -

1 stop5h 39m

Deal found 8/18

$459

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated August 22, 2026 and is based on user searches.

Mon 8/249:12 am -

1 stop7h 25m

Sun 8/3010:25 am -

1 stop7h 34m

Deal found 8/18

$499

Wed 9/29:12 am -

1 stop7h 25m

Sun 9/611:56 am -

1 stop6h 03m

Deal found 8/18

$424

Thu 9/39:12 am -

2 stops11h 26m

Mon 9/79:36 am -

2 stops8h 23m

Deal found 8/19

$468

Fri 9/49:12 am -

1 stop7h 25m

Mon 9/711:56 am -

1 stop6h 03m

Deal found 8/18

$344

Wed 9/239:13 am -

1 stop6h 03m

Wed 9/3011:42 am -

1 stop7h 01m

Deal found 8/19

$314

Find flight deals from Decatur to Dallas

Round-trip from	$314 (United Airlines)
One-way from	$286 (United Airlines)

From Decatur Arpt to Dallas

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One-way flight from Decatur Arpt to Dallas

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Fly from

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Route

Depart

Return

Price

Cheapest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 9/4

9:12 am-9:38 pm

2 stops12h 26m

Dallas/Fort Worth

Tue 9/8

11:56 am-6:44 pm

1 stop6h 48m

$350

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 9/4

9:12 am-7:57 pm

2 stops10h 45m

Dallas/Fort Worth

Mon 9/7

9:36 am-5:59 pm

2 stops8h 23m

$389

Quickest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Sat 12/12

8:53 am-1:33 pm

1 stop4h 40m

Dallas/Fort Worth

Wed 12/16

12:39 pm-5:51 pm

1 stop5h 12m

$394

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 10/16

9:12 am-3:17 pm

1 stop6h 05m

Dallas/Fort Worth

Fri 10/23

7:20 am-6:43 pm

2 stops11h 23m

$404

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 11/13

9:10 am-4:21 pm

1 stop7h 11m

Dallas/Fort Worth

Tue 11/17

6:30 am-6:10 pm

2 stops11h 40m

$404

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 9/2

9:12 am-4:37 pm

1 stop7h 25m

Dallas/Fort Worth

Sun 9/6

11:56 am-5:59 pm

1 stop6h 03m

$424

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Tue 10/13

7:18 pm-9:41 am

1 stop14h 23m

Dallas/Fort Worth

Tue 10/27

12:31 pm-6:10 pm

1 stop5h 39m

$459

Cheapest one-way

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Tue 9/15

7:20 pm-9:46 am

1 stop14h 26m

$286

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 11/13

6:57 pm-11:32 am

1 stop16h 35m

$286

Quickest one-way

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Thu 11/12

9:10 am-9:50 pm

2 stops12h 40m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 11 resultsSorted by cheapest first

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.

DEC-A78

DEC-DFW

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

DEC-A78

DEC-DFW

No data available for this route at this time. Please check back soon.

Related info for your journey

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 7h 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

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$286+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Decatur to Dallas with Cheapflights

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Cheap flight deals from Decatur to Dallas

Cheapest flights from Decatur to DallasExplore 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 22, 2026.

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 22, 2026.

Best flights from Decatur to DallasDiscover carefully curated flight deals from Decatur to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Discover carefully curated flight deals from Decatur to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Last-minute flights from Decatur to DallasDiscover last-minute flight deals from Decatur to Dallas. Data last updated August 22, 2026 and is based on user searches.

Discover last-minute flight deals from Decatur to Dallas. Data last updated August 22, 2026 and is based on user searches.

One-way flights from Decatur to DallasSearch for one-way flight options from Decatur to Dallas. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

Search for one-way flight options from Decatur to Dallas. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

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Related info for your journey

What airport do you fly from for flights from Decatur to Dallas?

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

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

How can I find direct flights from Decatur to Dallas?

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

Browse thousands of different options on Cheapflights for your next trip

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Decatur and Dallas flights

Browse other Decatur and Dallas flight options. Last updated on August 22, 2026.

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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 22, 2026.

Best flights from Decatur to Dallas
Discover carefully curated flight deals from Decatur to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated August 22, 2026 and is based on user searches.

One-way flights from Decatur to Dallas
Search for one-way flight options from Decatur to Dallas. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.