Illinois

$69+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Jul 26 — Aug 21
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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 June 26, 2026.

This Super.com deal was found by Cheapflights users on 6/25. 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 7/181:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Sat 7/253:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/25$146
This iWofly deal was found by Cheapflights users on 6/24. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Sat 8/153:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/24$147
This Frontier deal was found by Cheapflights users on 6/21. 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 8/41:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Thu 8/133:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/21$158
This Frontier deal was found by Cheapflights users on 6/21. 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.
Thu 8/272:35 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Sun 8/305:27 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/21$163
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Sat 8/11:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Tue 8/46:34 pm
STL
-
DFW
1 stop21h 33m
Frontier
Deal found 6/23$164
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 8/54:16 pm
DFW
-
STL
1 stop25h 21m
Frontier
Tue 8/116:34 pm
STL
-
DFW
1 stop17h 56m
Frontier
Deal found 6/21$166
This Frontier deal was found by Cheapflights users on 6/21. 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.
Thu 8/61:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Thu 8/133:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/21$168
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Thu 10/13:48 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Thu 10/226:41 pm
STL
-
DFW
Nonstop2h 05m
Frontier
Deal found 6/26$170
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 7/231:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Sat 7/253:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/24$171
This Super.com deal was found by Cheapflights users on 6/25. 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 7/281:00 pm
DFW
-
STL
Nonstop1h 56m
Frontier
Thu 7/303:41 pm
STL
-
DFW
Nonstop2h 02m
Frontier
Deal found 6/25$172
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/221:30 pm
DFW
-
MDW
Nonstop2h 20m
Frontier
Wed 7/294:45 pm
MDW
-
DFW
Nonstop2h 35m
Frontier
Deal found 6/22$172
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/212:30 pm
DFW
-
MDW
Nonstop2h 21m
Frontier
Sat 7/256:41 pm
MDW
-
DFW
Nonstop2h 40m
Frontier
Deal found 6/22$173

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 June 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$146
(Super.com)

One-way from

$69
(Frontier)

Popular in

June

Cheapest in

October

Average price

$294

Good round-trip deal

$199 or less

Good one-way deal

$105 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. 19% potential increase in price ($50 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 26, 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

Tue 8/4

10:00 am-5:37 pm

1 stop7h 37m

Lambert-St Louis

Mon 8/10

7:10 pm-5:48 am

1 stop10h 38m

$234

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 8/26

8:10 am-2:33 pm

1 stop6h 23m

Lambert-St Louis

Sat 8/29

6:20 am-1:31 pm

1 stop7h 11m

$257

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 7/29

5:20 am-12:17 pm

1 stop6h 57m

Lambert-St Louis

Wed 7/29

6:58 pm-12:13 am

1 stop5h 15m

$257

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Fri 7/24

9:07 am-7:23 pm

1 stop10h 16m

Lambert-St Louis

Sun 7/26

3:41 pm-5:43 pm

Nonstop2h 02m

$260

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 8/6

8:10 am-2:33 pm

1 stop6h 23m

Lambert-St Louis

Mon 8/10

3:50 pm-10:31 pm

1 stop6h 41m

$277

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 7/18

3:10 pm-8:31 pm

1 stop5h 21m

Chicago O'Hare Intl

Tue 7/21

5:18 pm-10:32 pm

1 stop5h 14m

$291

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 8/8

9:20 am-2:48 pm

1 stop5h 28m

Chicago O'Hare Intl

Sat 8/15

6:40 am-12:53 pm

1 stop6h 13m

$291

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Sat 8/15

5:00 pm-10:36 pm

1 stop5h 36m

Chicago Midway

Tue 8/18

9:24 am-2:29 pm

1 stop5h 05m

$291

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Sat 8/8

5:45 am-12:39 pm

1 stop6h 54m

Chicago Midway

Sat 8/15

9:24 am-2:10 pm

1 stop4h 46m

$291

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Sat 7/25

5:20 am-12:38 pm

1 stop7h 18m

Chicago Midway

Tue 7/28

1:18 pm-10:21 pm

2 stops9h 03m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, October 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 June is currently the most expensive (average of $375). 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 June 26, 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 10% on the cost of your flight, compared to a flight in the afternoon.

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 June 26, 2026.

The most flights from DFW to USIL are scheduled on a Thursday (91 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (74 on average).

How much does it cost to fly round-trip 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 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 June 20, 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.

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 June 26, 2026.
See what other customers who have flown with Southwest,Contour, andUnited 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

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

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 $391, Frontier can have you in Illinois from Dallas/Fort Worth Airport in 2h 08m. Airlines will cover a distance of 692 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), Southwest ($66), and JetBlue ($77).

  • 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 Republic Airways (82%), Austrian Airlines (81%) and ITA Airways (79%).

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

    On average you can expect to pay $875 for a flight from Dallas/Fort Worth Airport to Illinois. The cheapest flight overall is $100 while the most popular route, (Dallas/Fort Worth - Chicago O'Hare Intl) is currently priced at $212.

  • 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, October 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 June is currently the most expensive (average of $375). 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/Fort Worth to Illinois

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

Top 7 airlines flying from Dallas/Fort Worth to Illinois

Discover the top 7 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 June 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$188FlexibilityNo cancel feeOn-time62%
ContourCheapest$105Average$209FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$147Average$301FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$159Average$478FlexibilityNo cancel feeOn-time71%
DeltaCheapest$166Average$230FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$176Average$365FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$195Average$247FlexibilityNo cancel feeOn-time62%

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