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

There are many flights that can get you from Decatur, Illinois to Dallas in 9h 32m. 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 September 7, 2026.

Fri 10/309:10 am -

1 stop5h 28m

Sun 11/112:31 pm -

1 stop5h 39m

Deal found 9/3

$394

Wed 11/119:10 am -

2 stops11h 29m

Wed 11/1810:39 am -

1 stop7h 31m

Deal found 9/2

$404

Wed 10/79:12 am -

1 stop7h 45m

Tue 10/1311:42 am -

1 stop7h 01m

Deal found 9/7

$414

Fri 9/189:12 am -

1 stop7h 45m

Tue 9/227:30 am -

2 stops11h 14m

Deal found 9/3

$434

Fri 9/49:12 am -

2 stops10h 45m

Sat 9/511:50 am -

1 stop6h 09m

Deal found 9/2

$440

Mon 10/59:12 am -

2 stops11h 12m

Sat 10/109:50 am -

2 stops8h 53m

Deal found 9/2

$454

Wed 9/169:13 am -

1 stop7h 44m

Tue 9/2211:56 am -

1 stop6h 48m

Deal found 9/7

$474

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 September 7, 2026.

Wed 11/119:10 am -

2 stops9h 32m

Wed 11/1810:36 am -

1 stop7h 34m

Deal found 9/4

$404

Fri 10/309:10 am -

2 stops11h 29m

Sun 11/112:31 pm -

1 stop5h 39m

Deal found 9/3

$404

Wed 11/119:10 am -

2 stops11h 29m

Sat 11/147:25 am -

2 stops10h 30m

Deal found 9/2

$409

Wed 10/79:12 am -

1 stop7h 45m

Tue 10/1311:42 am -

1 stop7h 01m

Deal found 9/6

$414

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated September 7, 2026 and is based on user searches.

Fri 9/49:12 am -

2 stops10h 45m

Sat 9/511:50 am -

1 stop6h 09m

Deal found 9/2

$440

Wed 9/169:13 am -

1 stop7h 44m

Tue 9/2211:56 am -

1 stop6h 48m

Deal found 9/7

$474

Fri 9/189:12 am -

1 stop7h 45m

Tue 9/227:30 am -

2 stops11h 14m

Deal found 9/3

$434

Mon 10/59:12 am -

2 stops11h 12m

Sat 10/1011:42 am -

1 stop7h 01m

Deal found 9/2

$404

Wed 10/79:12 am -

1 stop7h 45m

Tue 10/1311:42 am -

1 stop7h 01m

Deal found 9/7

$414

Fri 10/309:10 am -

1 stop5h 28m

Sun 11/112:31 pm -

1 stop5h 39m

Deal found 9/3

$394

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 September 7, 2026.

Fri 10/167:18 pm -

1 stop19h 59m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$286

Mon 9/219:12 am -

1 stop6h 04m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$378

Wed 9/169:13 am -

1 stop6h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$434

Sat 9/127:20 pm -

1 stop16h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$444

Thu 9/247:18 pm -

3 stops24h 42m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/5

$717

Find flight deals from Decatur to Dallas

Round-trip from	$394 (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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 10/16

7:18 pm-3:17 pm

1 stop19h 59m

Dallas/Fort Worth

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$286

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Thu 9/24

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$378

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Mon 9/21

9:12 am-7:57 pm

2 stops10h 45m

Dallas/Fort Worth

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$383

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 11/11

9:10 am-6:42 pm

2 stops9h 32m

Dallas/Fort Worth

Wed 11/18

10:36 am-6:10 pm

1 stop7h 34m

$404

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 10/30

9:10 am-8:39 pm

2 stops11h 29m

Dallas/Fort Worth

Sun 11/1

12:31 pm-6:10 pm

1 stop5h 39m

$404

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 11/11

9:10 am-8:39 pm

2 stops11h 29m

Dallas/Fort Worth

Sat 11/14

7:25 am-5:55 pm

2 stops10h 30m

$409

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 10/7

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Tue 10/13

11:42 am-6:43 pm

1 stop7h 01m

$414

Quickest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 9/16

9:13 am-3:16 pm

1 stop6h 03m

Dallas/Fort Worth

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$434

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Sat 9/12

7:20 pm-11:40 am

1 stop16h 20m

Dallas/Fort Worth

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Sorted 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 9h 32m. 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 round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. 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 September 7, 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 September 7, 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 September 7, 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 September 7, 2026.

Last-minute flights from Decatur to DallasDiscover last-minute flight deals from Decatur to Dallas. Data last updated September 7, 2026 and is based on user searches.

Discover last-minute flight deals from Decatur to Dallas. Data last updated September 7, 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 September 7, 2026.

Search for one-way flight options from Decatur to Dallas. Find affordable one-way fares based on user searches. Data last updated September 7, 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

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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 September 7, 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 September 7, 2026.

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated September 7, 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 September 7, 2026.