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 45m. 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.

$370+ Cheap Flights from Decatur, IL to Dallas

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Cheap flight deals from Decatur to Dallas

Cheapest

Best

Last-minute

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 28, 2026.

Thu 9/109:12 am -

2 stops11h 26m

Mon 9/1411:56 am -

1 stop6h 47m

Deal found 8/26

$370

Wed 12/166:55 pm -

1 stop5h 35m

Wed 1/2010:15 am -

1 stop7h 36m

Deal found 8/27

$394

Wed 12/169:42 am -

1 stop6h 41m

Sat 1/167:30 am -

2 stops10h 21m

Deal found 8/27

$404

Wed 9/99:13 am -

1 stop7h 44m

Sun 9/1311:56 am -

1 stop6h 48m

Deal found 8/25

$424

Thu 10/19:12 am -

1 stop7h 45m

Sun 10/47:20 am -

2 stops11h 23m

Deal found 8/26

$449

Sun 12/206:55 pm -

1 stop14h 42m

Wed 1/2012:21 pm -

1 stop5h 30m

Deal found 8/27

$459

Sat 9/57:20 pm -

1 stop23h 03m

Sat 9/122:20 pm -

1 stop4h 24m

Deal found 8/22

$476

Sun 12/206:55 pm -

2 stops21h 20m

Sun 1/1712:21 pm -

1 stop5h 30m

Deal found 8/27

$482

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 28, 2026.

Fri 9/119:12 am -

1 stop7h 45m

Tue 9/1511:56 am -

1 stop6h 48m

Deal found 8/27

$424

Thu 9/109:12 am -

2 stops10h 45m

Mon 9/147:20 am -

2 stops11h 23m

Deal found 8/26

$439

Thu 9/39:12 am -

1 stop6h 03m

Sun 9/610:25 am -

1 stop7h 34m

Deal found 8/26

$484

Wed 9/169:13 am -

1 stop7h 44m

Fri 9/187:21 pm -

1 stop23h 23m

Deal found 8/23

$488

Fri 11/139:10 am -

1 stop7h 11m

Sun 11/1510:39 am -

1 stop7h 31m

Deal found 8/23

$500

Sat 10/37:18 pm -

1 stop14h 23m

Tue 10/611:42 am -

1 stop7h 01m

Deal found 8/22

$514

Fri 9/119:12 am -

1 stop7h 45m

Fri 9/1811:56 am -

1 stop6h 48m

Deal found 8/24

$515

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated August 28, 2026 and is based on user searches.

Thu 9/39:12 am -

1 stop6h 03m

Sun 9/610:25 am -

1 stop7h 34m

Deal found 8/25

$484

Sat 9/57:20 pm -

1 stop23h 03m

Sat 9/122:20 pm -

1 stop4h 24m

Deal found 8/22

$476

Tue 9/87:20 pm -

1 stop21h 37m

Sat 9/122:20 pm -

1 stop4h 24m

Deal found 8/24

$507

Wed 9/99:13 am -

1 stop7h 44m

Sun 9/1311:56 am -

1 stop6h 48m

Deal found 8/25

$424

Thu 9/109:12 am -

2 stops11h 26m

Mon 9/1411:56 am -

1 stop6h 47m

Deal found 8/26

$370

Fri 9/119:12 am -

1 stop7h 45m

Fri 9/1811:56 am -

1 stop6h 48m

Deal found 8/24

$515

Wed 9/169:13 am -

1 stop7h 44m

Fri 9/187:21 pm -

1 stop23h 23m

Deal found 8/23

$488

Find flight deals from Decatur to Dallas

Round-trip from	$370 (United Airlines)

From Decatur Arpt to Dallas

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 9/11

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Tue 9/15

11:56 am-6:44 pm

1 stop6h 48m

$424

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Thu 9/10

9:12 am-7:57 pm

2 stops10h 45m

Dallas/Fort Worth

Mon 9/14

7:20 am-6:43 pm

2 stops11h 23m

$439

Quickest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Thu 9/3

9:12 am-3:15 pm

1 stop6h 03m

Dallas/Fort Worth

Sun 9/6

10:25 am-5:59 pm

1 stop7h 34m

$484

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 9/16

9:13 am-4:57 pm

1 stop7h 44m

Dallas/Fort Worth

Fri 9/18

7:21 pm-6:44 pm

1 stop23h 23m

$488

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

Sun 11/15

10:39 am-6:10 pm

1 stop7h 31m

$500

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Sat 10/3

7:18 pm-9:41 am

1 stop14h 23m

Dallas/Fort Worth

Tue 10/6

11:42 am-6:43 pm

1 stop7h 01m

$514

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 9/11

9:12 am-4:57 pm

1 stop7h 45m

Dallas/Fort Worth

Fri 9/18

11:56 am-6:44 pm

1 stop6h 48m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/27

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 7h 45m. 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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$370+ 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 9/10. 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 28, 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 28, 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 28, 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 28, 2026.

Last-minute flights from Decatur to DallasDiscover last-minute flight deals from Decatur to Dallas. Data last updated August 28, 2026 and is based on user searches.

Discover last-minute flight deals from Decatur to Dallas. Data last updated August 28, 2026 and is based on user searches.

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Best time to book a flight from Decatur to Dallas

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Cheapflights Insights

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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Complete your trip

Complete your trip to Dallas by adding a car rental and/or hotel reservation to your travel itinerary.

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Find flights from Decatur to Dallas, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Decatur and Dallas flights

Browse other Decatur and Dallas flight options. Last updated on August 28, 2026.

Other flights from Decatur

Browse through other flights departing from Decatur. Flights are based on user searches made on Cheapflights and were last updated on August 28, 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 28, 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 28, 2026.

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated August 28, 2026 and is based on user searches.