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 28m. 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.

$254+ Cheap Flights from Decatur, IL to Dallas

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Cheap flight deals from Decatur to Dallas

Cheapest

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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 17, 2026.

Fri 10/309:10 am -

1 stop5h 28m

Sun 11/112:31 pm -

1 stop5h 39m

Deal found 9/15

$414

Thu 9/179:12 am -

1 stop6h 04m

Tue 9/2211:56 am -

1 stop6h 48m

Deal found 9/17

$454

Fri 10/169:12 am -

1 stop7h 45m

Mon 10/197:22 pm -

1 stop23h 21m

Deal found 9/16

$455

Thu 10/229:12 am -

1 stop7h 45m

Sun 10/255:45 am -

2 stops12h 10m

Deal found 9/12

$468

Wed 11/119:10 am -

2 stops11h 33m

Wed 11/189:00 am -

2 stops9h 10m

Deal found 9/15

$474

Wed 9/309:12 am -

1 stop6h 05m

Sun 10/47:00 am -

2 stops11h 43m

Deal found 9/15

$500

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 17, 2026.

Fri 10/309:10 am -

1 stop5h 28m

Sun 11/112:31 pm -

1 stop5h 39m

Deal found 9/15

$414

Wed 11/119:10 am -

1 stop5h 28m

Wed 11/1810:36 am -

1 stop7h 34m

Deal found 9/17

$414

Wed 9/309:12 am -

2 stops11h 34m

Sun 10/47:00 am -

2 stops11h 43m

Deal found 9/15

$505

Fri 11/139:10 am -

1 stop7h 11m

Mon 11/167:35 pm -

2 stops22h 35m

Deal found 9/13

$535

Sat 10/37:18 pm -

1 stop18h 03m

Tue 10/611:42 am -

1 stop7h 01m

Deal found 9/14

$566

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated September 17, 2026 and is based on user searches.

Thu 9/179:12 am -

1 stop6h 04m

Tue 9/2211:56 am -

1 stop6h 48m

Deal found 9/17

$454

Wed 9/309:12 am -

1 stop6h 05m

Sun 10/47:00 am -

2 stops11h 43m

Deal found 9/15

$500

Fri 10/169:12 am -

1 stop7h 45m

Mon 10/197:22 pm -

1 stop23h 21m

Deal found 9/16

$455

Thu 10/229:12 am -

1 stop7h 45m

Sun 10/255:45 am -

2 stops12h 10m

Deal found 9/12

$468

Fri 10/309:10 am -

1 stop5h 28m

Sun 11/112:31 pm -

1 stop5h 39m

Deal found 9/15

$414

Find flight deals from Decatur to Dallas

Round-trip from	$414 (United Airlines)
One-way from	$254 (United Airlines)

From Decatur Arpt to Dallas

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One-way flight from Decatur Arpt to Dallas

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Route

Depart

Return

Price

Cheapest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 10/7

9:12 am-9:48 pm

2 stops12h 36m

Dallas/Fort Worth

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$279

Quickest round-trip

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Fri 10/30

9:10 am-2:38 pm

1 stop5h 28m

Dallas/Fort Worth

Sun 11/1

12:31 pm-6:10 pm

1 stop5h 39m

$414

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 11/11

9:10 am-2:38 pm

1 stop5h 28m

Dallas/Fort Worth

Wed 11/18

10:36 am-6:10 pm

1 stop7h 34m

$414

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Wed 9/30

9:12 am-8:46 pm

2 stops11h 34m

Dallas/Fort Worth

Sun 10/4

7:00 am-6:43 pm

2 stops11h 43m

$505

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

Mon 11/16

7:35 pm-6:10 pm

2 stops22h 35m

$535

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Sat 10/3

7:18 pm-1:21 pm

1 stop18h 03m

Dallas/Fort Worth

Tue 10/6

11:42 am-6:43 pm

1 stop7h 01m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 5h 28m. 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.

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$254+ 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 10/7. 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 17, 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 17, 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 17, 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 17, 2026.

Last-minute flights from Decatur to DallasDiscover last-minute flight deals from Decatur to Dallas. Data last updated September 17, 2026 and is based on user searches.

Discover last-minute flight deals from Decatur to Dallas. Data last updated September 17, 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 17, 2026.

Search for one-way flight options from Decatur to Dallas. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

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Best time to book a flight from Decatur to Dallas

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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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Alternative routes for Decatur to Dallas

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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 17, 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 17, 2026.

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated September 17, 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 17, 2026.