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$65+ Cheap flights from Dallas to Illinois

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
juil. 8 — juil. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Dallas to Illinois

Keep the following information in mind while searching for Dallas to Illinois flight deals. Data was last updated juillet 3, 2025.

Round-trip from

$115
(Frontier)

One-way from

$66
(Priceline)

Popular in

December

Cheapest in

September

Average price

$200
From Dallas to Illinois
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One-way flight from Dallas to Illinois
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Highest demand for flights based on searches. 8% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dallas to Illinois

Cheapest flights from Dallas to Illinois
Explore the most affordable flight options available from Dallas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 3, 2025.

This Frontier deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/103:00 pmDFW - STL
Nonstop1h 52mFrontier
dim. 10/129:47 amSTL - DFW
Nonstop1h 57mFrontier
Deal found 7/3$115
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/232:56 pmDFW - ORD
Nonstop2h 14mMultiple Airlines
mer. 7/305:01 amORD - DFW
1 stop8h 32mMultiple Airlines
Deal found 7/2$134
This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/302:40 pmDFW - MDW
Nonstop2h 23mFrontier
mer. 8/62:48 pmMDW - DFW
1 stop7h 46mFrontier
Deal found 7/2$134
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/261:30 pmDFW - ORD
Nonstop2h 44mFrontier
mar. 7/299:55 amORD - DFW
Nonstop2h 42mFrontier
Deal found 7/2$137
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/34:36 pmDFW - STL
Nonstop1h 47mAmerican Airlines
jeu. 9/45:18 amSTL - DFW
Nonstop1h 56mAmerican Airlines
Deal found 7/3$148
This Cheapflightsfares deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/267:15 amDFW - ORD
1 stop9h 42mSpirit Airlines
sam. 8/210:00 amORD - DFW
1 stop12h 14mSpirit Airlines
Deal found 7/3$149
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/299:50 amDAL - STL
Nonstop1h 45mSouthwest
mer. 8/64:35 pmSTL - DAL
Nonstop1h 40mSouthwest
Deal found 7/2$149
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/47:10 pmDAL - ORD
Nonstop2h 20mSouthwest
mer. 8/67:30 amORD - DAL
Nonstop2h 25mSouthwest
Deal found 7/2$157
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/148:20 pmDAL - MDW
Nonstop2h 10mSouthwest
lun. 8/185:25 amMDW - DAL
Nonstop2h 10mSouthwest
Deal found 7/3$157
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/125:25 amDFW - STL
1 stop11h 06mMultiple Airlines
jeu. 8/142:36 pmSTL - DFW
1 stop7h 22mMultiple Airlines
Deal found 7/1$158
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/27:00 amDFW - ORD
Nonstop2h 40mUnited Airlines
lun. 8/47:00 amORD - DFW
Nonstop2h 39mUnited Airlines
Deal found 7/3$167
This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/216:45 amDFW - STL
1 stop6h 47mSpirit Airlines
dim. 8/242:30 pmSTL - DFW
1 stop5h 14mSpirit Airlines
Deal found 7/2$176

Cheapflights Fare Finder

Customize your flight search to find flights from Dallas to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juillet 3, 2025.
Use the filters below to find and compare flights from Dallas to Illinois that are best for you.

Fly from

Dallas

Fly to

Illinois

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

mer. 7/23

2:56 pm-5:10 pm

Nonstop2h 14m

Chicago O'Hare Intl

mer. 7/30

5:01 am-1:33 pm

1 stop8h 32m

$134

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

mer. 7/30

2:40 pm-5:03 pm

Nonstop2h 23m

Chicago Midway

mer. 8/6

2:48 pm-10:34 pm

1 stop7h 46m

$134

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

mar. 7/15

1:30 pm-4:14 pm

Nonstop2h 44m

Chicago O'Hare Intl

mar. 7/29

9:55 am-12:37 pm

Nonstop2h 42m

$136

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mer. 9/3

4:36 pm-6:23 pm

Nonstop1h 47m

Lambert-St Louis

jeu. 9/4

5:18 am-7:14 am

Nonstop1h 56m

$148

DallasSt. Louis

DAL - STL

DALSTL

Dallas Love Field

mar. 7/29

9:50 am-11:35 am

Nonstop1h 45m

Lambert-St Louis

mer. 8/6

4:35 pm-6:15 pm

Nonstop1h 40m

$149

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jeu. 7/24

6:00 am-1:42 pm

1 stop7h 42m

Lambert-St Louis

dim. 7/27

7:54 pm-9:50 pm

Nonstop1h 56m

$149

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

ven. 9/19

9:57 am-9:58 pm

1 stop12h 01m

Chicago O'Hare Intl

dim. 10/19

8:00 am-12:11 am

1 stop16h 11m

$150

DallasChicago

DAL - ORD

DALORD

Dallas Love Field

lun. 8/4

7:10 pm-9:30 pm

Nonstop2h 20m

Chicago O'Hare Intl

mer. 8/6

7:30 am-9:55 am

Nonstop2h 25m

$157

DallasChicago

DAL - MDW

DALMDW

Dallas Love Field

jeu. 8/14

8:20 pm-10:30 pm

Nonstop2h 10m

Chicago Midway

lun. 8/18

5:25 am-7:35 am

Nonstop2h 10m

$157

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

mar. 8/12

5:25 am-4:31 pm

1 stop11h 06m

Lambert-St Louis

jeu. 8/14

2:36 pm-9:58 pm

1 stop7h 22m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 53 results
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Best time to book a flight from Dallas to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Dallas with our price prediction graph.
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 Dallas to Illinois

What is the cheapest month to book a flight from Dallas to Illinois?

Currently, August is the cheapest month in which you can book a flight from Dallas to Illinois (average of $245). Flying from Dallas to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Dallas to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 3, 2025.

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

Weekly flight availability from Dallas to Illinois

Explore weekly flight availability from Dallas to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juillet 3, 2025.

The most flights from A78 to USIL are scheduled on a Thursday (83 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost to fly round-trip from Dallas to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated juillet 3, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Dallas to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Dallas to Illinois one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $66. American Airlines flights start at $70 while deals on Spirit Airlines start at $74 one-way.

  • What are the most popular routes from Dallas to Illinois?

    The most popular flight routes from Dallas to Illinois are Dallas/Fort Worth - Chicago O'Hare Intl, Dallas/Fort Worth - Chicago Midway and Dallas Love Field - Chicago O'Hare Intl.

  • What are the most reliable airlines from Dallas to Illinois?

    The top 3 most reliable airlines when flying from Dallas to Illinois are SkyWest Airlines (100%), Turkish Airlines (90%) and ANA (84%).

  • What are the cheapest flights from Dallas to Illinois?

    Looking for the cheapest flight from Dallas to Illinois? While on average our users pay $3,982, our data indicates the cheapest price to be $79. The most popular route (Dallas/Fort Worth - Chicago O'Hare Intl), is priced around $89.

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

    Yes. In addition to deals on Dallas to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Illinois.

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

    Yes. Cheapflights offers flight deals from Dallas to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dallas to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Dallas to Illinois (average of $245). Flying from Dallas to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dallas to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Dallas to Illinois

Discover the top 6 airlines that operate flights from Dallas to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juillet 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$161FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$56Average$130FlexibilityNo cancel feeOn-time65%
ContourCheapest$134Average$252FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$147Average$286FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$152Average$311FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$154Average$476FlexibilityNo cancel feeOn-time71%

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