Illinois

$65+ Cheap flights from Dallas/Fort Worth (DFW) 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Jun 11 — Jun 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas/Fort Worth to Illinois 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 Dallas/Fort Worth to Illinois

Cheapest flights from Dallas/Fort Worth to Illinois
Explore the most affordable flight options available from Dallas/Fort Worth to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.

This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:25 pm
DFW
-
ORD
Nonstop2h 43m
Frontier
Tue 7/219:34 pm
ORD
-
DFW
Nonstop2h 43m
Frontier
Deal found 5/11$127
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:10 am
DFW
-
ORD
Nonstop2h 33m
Frontier
Wed 6/109:10 am
ORD
-
DFW
Nonstop2h 47m
Frontier
Deal found 5/8$128
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:50 pm
DFW
-
STL
Nonstop1h 59m
Frontier
Tue 7/283:34 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 5/12$131
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Wed 6/104:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Tue 6/167:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 5/9$135
This Frontier deal was found by Cheapflights users on 5/9. 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.
Tue 6/94:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Wed 6/107:04 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 5/9$136
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Tue 6/307:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 5/8$137
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:36 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Tue 6/23:33 pm
STL
-
DFW
Nonstop2h 06m
Frontier
Deal found 5/11$138
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Tue 6/167:03 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 5/12$139
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Mon 10/55:13 pm
DFW
-
ORD
Nonstop2h 42m
Frontier
Wed 10/71:22 pm
ORD
-
DFW
Nonstop2h 46m
Frontier
Deal found 5/7$141
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 6/94:37 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Fri 7/35:06 pm
STL
-
DFW
1 stop23h 03m
Frontier
Deal found 5/7$142
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:21 pm
DFW
-
STL
Nonstop1h 57m
Frontier
Sat 7/113:34 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 5/12$143
This Trip.com deal was found by Cheapflights users on 5/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:36 pm
DFW
-
STL
Nonstop1h 55m
Frontier
Wed 6/107:04 pm
STL
-
DFW
Nonstop1h 57m
Frontier
Deal found 5/10$144

Find flight deals from Dallas/Fort Worth to Illinois

Keep the following information in mind while searching for Dallas/Fort Worth to Illinois flight deals. Data was last updated May 12, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$127
(Super.com)

One-way from

$65
(Super.com)

Popular in

May

Cheapest in

October

Average price

$254

Good round-trip deal

$114 or less

Good one-way deal

$70 or less
Provider with most accurate pricing for Dallas-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Dallas-Chicago (CHI) flights.
From Dallas/Fort Worth to Illinois
One-way flight from Dallas/Fort Worth to Illinois
Highest demand for flights based on searches. 12% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Dallas/Fort Worth to Illinois.
Price to beat on a one-way flight from Dallas/Fort Worth to Illinois.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth 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 May 12, 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sun 5/24

5:30 am-12:56 pm

1 stop7h 26m

Lambert-St Louis

Sun 5/24

7:05 pm-12:35 am

1 stop5h 30m

$285

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 6/17

6:55 am-12:34 pm

1 stop5h 39m

Lambert-St Louis

Wed 6/17

7:12 pm-12:19 am

1 stop5h 07m

$285

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 6/10

5:30 am-12:34 pm

1 stop7h 04m

Lambert-St Louis

Fri 7/3

7:12 pm-12:19 am

1 stop5h 07m

$290

DallasChicago

DFW - RFD

DFWRFD

Dallas/Fort Worth

Sat 8/1

1:53 pm-10:37 am

1 stop20h 44m

Chicago Greater Rockford

Mon 8/3

7:50 pm-7:33 am

1 stop11h 43m

$293

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Wed 7/1

5:29 am-12:46 pm

1 stop7h 17m

Chicago Midway

Mon 7/6

6:00 am-12:50 pm

1 stop6h 50m

$309

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 8/6

5:05 am-11:46 am

1 stop6h 41m

Lambert-St Louis

Mon 8/10

11:00 am-5:17 pm

1 stop6h 17m

$311

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 7/2

5:29 am-1:00 pm

1 stop7h 31m

Chicago O'Hare Intl

Mon 7/6

8:52 am-2:36 pm

1 stop5h 44m

$317

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 7/30

10:06 am-5:12 pm

1 stop7h 06m

Chicago O'Hare Intl

Sun 8/2

5:30 am-11:12 am

1 stop5h 42m

$317

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 8/6

5:10 am-10:44 am

1 stop5h 34m

Chicago O'Hare Intl

Sun 8/9

2:12 pm-10:07 pm

1 stop7h 55m

$317

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Thu 7/2

5:29 am-12:46 pm

1 stop7h 17m

Chicago Midway

Mon 7/6

6:00 am-12:50 pm

1 stop6h 50m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Dallas/Fort Worth to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Dallas/Fort Worth 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/Fort Worth Airport to Illinois

How far ahead should I book a flight from Dallas/Fort Worth Airport to Illinois?

The best time to book flights from Dallas/Fort Worth Airport to Illinois is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Illinois?

Currently, November is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Illinois (average of $150). Flying from Dallas/Fort Worth Airport to Illinois in February is currently the most expensive (average of $249). 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/Fort Worth 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 May 12, 2026.

It’s optimal to fly from Dallas/Fort Worth Airport to Illinois in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Illinois. Price data was last updated on May 9, 2026.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Illinois flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to Illinois

Explore weekly flight availability from Dallas/Fort Worth 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 May 12, 2026.

The most flights from DFW to USIL are scheduled on a Monday (78 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (60 on average).

How much does it cost to fly round-trip from Dallas/Fort Worth Airport 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 May 12, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Dallas/Fort Worth Airport 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.

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Dallas/Fort Worth Airport to Illinois?

    For as low as $419, Delta can have you in Illinois from Dallas/Fort Worth Airport in 4h 39m. Airlines will cover a distance of 630 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Illinois one-way?

    The cheapest airlines for a one-way flight from Dallas/Fort Worth Airport to Illinois are Frontier ($37), Spirit Airlines ($45), and Southwest ($68).

  • What are the most popular routes from Dallas/Fort Worth Airport to Illinois?

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Illinois?

    The top 3 most reliable airlines when flying from Dallas/Fort Worth Airport to Illinois are Spirit Airlines (94%), Austrian Airlines (75%) and Cathay Pacific (72%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Illinois?

    On average you can expect to pay $813 for a flight from Dallas/Fort Worth Airport to Illinois. The cheapest flight overall is $67 while the most popular route, (Dallas/Fort Worth - Chicago O'Hare Intl) is currently priced at $171.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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/Fort Worth Airport to Illinois?

    Currently, November is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Illinois (average of $150). Flying from Dallas/Fort Worth Airport to Illinois in February is currently the most expensive (average of $249). 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

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 Dallas/Fort Worth to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Dallas/Fort Worth to Illinois

Discover the top 8 airlines that operate flights from Dallas/Fort Worth 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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$180FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$74Average$152FlexibilityNo cancel feeOn-time65%
ContourCheapest$105Average$209FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$145Average$274FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$457FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$163Average$315FlexibilityNo cancel feeOn-time69%
DeltaCheapest$166Average$230FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$195Average$247FlexibilityNo cancel feeOn-time62%

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.