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

There are many flights that can get you from Decatur, Illinois to Dallas in 11h 29m. 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.

$313+ Cheap Flights from Decatur, IL to Dallas

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

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 2, 2026.

Wed 11/119:10 am -

2 stops11h 29m

Wed 11/1810:39 am -

1 stop7h 31m

Deal found 8/30

$404

Wed 9/169:13 am -

1 stop7h 44m

Sun 9/2011:56 am -

1 stop6h 48m

Deal found 9/1

$424

Sat 10/37:18 pm -

1 stop14h 23m

Tue 10/611:42 am -

1 stop7h 01m

Deal found 8/30

$524

Mon 10/59:12 am -

2 stops11h 12m

Fri 10/97:20 pm -

2 stops23h 23m

Deal found 8/28

$539

Sat 9/57:20 pm -

1 stop16h 19m

Sat 9/122:20 pm -

1 stop4h 24m

Deal found 8/30

$551

Thu 10/19:12 am -

2 stops11h 12m

Sun 10/410:38 am -

1 stop8h 05m

Deal found 9/1

$554

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 2, 2026.

Wed 11/119:10 am -

2 stops11h 29m

Wed 11/1810:39 am -

1 stop7h 31m

Deal found 8/30

$404

Wed 9/169:13 am -

1 stop7h 44m

Sun 9/2011:56 am -

1 stop6h 48m

Deal found 9/1

$424

Sat 10/37:18 pm -

1 stop14h 23m

Tue 10/611:42 am -

1 stop7h 01m

Deal found 8/31

$524

Mon 10/59:12 am -

2 stops11h 12m

Fri 10/95:55 pm -

1 stop24h 48m

Deal found 8/28

$534

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated September 2, 2026 and is based on user searches.

Sat 9/57:20 pm -

1 stop16h 19m

Sat 9/122:20 pm -

1 stop4h 24m

Deal found 8/30

$551

Sat 9/127:20 pm -

1 stop17h 49m

Wed 9/1611:56 am -

1 stop6h 48m

Deal found 8/28

$561

Wed 9/169:13 am -

1 stop7h 44m

Sun 9/2011:56 am -

1 stop6h 48m

Deal found 9/1

$424

Thu 10/19:12 am -

2 stops11h 12m

Sun 10/410:38 am -

1 stop8h 05m

Deal found 9/1

$554

Sat 10/37:18 pm -

1 stop14h 23m

Tue 10/611:42 am -

1 stop7h 01m

Deal found 8/30

$524

Mon 10/59:12 am -

2 stops11h 12m

Fri 10/97:20 pm -

2 stops23h 23m

Deal found 8/28

$539

Find flight deals from Decatur to Dallas

Round-trip from	$404 (United Airlines)
One-way from	$313 (United Airlines)

From Decatur Arpt to Dallas

Search Deals

One-way flight 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

Wed 11/11

9:10 am-8:39 pm

2 stops11h 29m

Dallas/Fort Worth

Wed 11/18

10:39 am-6:10 pm

1 stop7h 31m

$404

Quickest round-trip

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

Sun 9/20

11:56 am-6:44 pm

1 stop6h 48m

$424

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

$524

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Mon 10/5

9:12 am-8:24 pm

2 stops11h 12m

Dallas/Fort Worth

Fri 10/9

5:55 pm-6:43 pm

1 stop24h 48m

$534

Cheapest one-way

Quickest one-way

DecaturDallas

DEC Decatur Arpt - DFW Dallas/Fort Worth

DECDFW

Decatur Arpt

Tue 11/24

6:57 pm-10:55 pm

1 stop27h 58m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/29

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 11h 29m. 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Decatur

Popular flights

Top destinations

Alternative routes for Decatur to Dallas

O'Hare Intl to Dallas/Fort Worth flights

O'Hare Intl to Hobby flights

Midway to Dallas/Fort Worth flights

O'Hare Intl to George Bush Intcntl flights

O'Hare Intl to Austin flights

St. Louis to Dallas/Fort Worth flights

O'Hare Intl to San Antonio flights

Midway to Hobby flights

Midway to George Bush Intcntl flights

St. Louis to Hobby flights

Midway to Austin flights

St. Louis to George Bush Intcntl flights

Midway to Love Field flights

O'Hare Intl to El Paso flights

O'Hare Intl to Love Field flights

Midway to San Antonio flights

Peoria to Dallas/Fort Worth flights

St. Louis to Austin flights

St. Louis to Love Field flights

Moline to Dallas/Fort Worth flights

Midway to El Paso flights

St. Louis to San Antonio flights

Moline to Hobby flights

Moline to Austin flights

Moline to George Bush Intcntl flights

Bloomington to Dallas/Fort Worth flights

Peoria to San Antonio flights

O'Hare Intl to Lubbock flights

Peoria to Hobby flights

O'Hare Intl to Midland flights

O'Hare Intl to McAllen flights

Moline to San Antonio flights

Peoria to Austin flights

Champaign to Dallas/Fort Worth flights

Peoria to George Bush Intcntl flights

O'Hare Intl to Corpus Christi flights

O'Hare Intl to Harlingen flights

Evansville to Dallas/Fort Worth flights

Bloomington to Hobby flights

O'Hare Intl to Laredo flights

Springfield to Austin flights

St. Louis to Harlingen flights

Bloomington to Love Field flights

Evansville to Hobby flights

Evansville to San Antonio flights

Springfield to Dallas/Fort Worth 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.

$313+ 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 11/24. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 2, 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 2, 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 2, 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 2, 2026.

Last-minute flights from Decatur to DallasDiscover last-minute flight deals from Decatur to Dallas. Data last updated September 2, 2026 and is based on user searches.

Discover last-minute flight deals from Decatur to Dallas. Data last updated September 2, 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 2, 2026.

Search for one-way flight options from Decatur to Dallas. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Find flight deals from Decatur to Dallas

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Decatur to Dallas that are best for you.

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.

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

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.

Complete your trip

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

Search flights from Decatur to Dallas by cabin class

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 September 2, 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 September 2, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Decatur to Dallas flights

Consider these flights traveling from Decatur to Dallas.

100% Free

Book with Flexibility

Travel Smart

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 2, 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 2, 2026.

Last-minute flights from Decatur to Dallas
Discover last-minute flight deals from Decatur to Dallas. Data last updated September 2, 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 2, 2026.