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Illinois

$63+ Cheap flights from Texas 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Texas to Illinois

Keep the following information in mind while searching for Texas to Illinois flight deals. Data was last updated July 30, 2025.

Round-trip from

$109
(Cheapflightsfares)

One-way from

$63
(CheapOair)

Popular in

June

Cheapest in

February

Average price

$219

Good round-trip deal

$122 or less

Good one-way deal

$86 or less
From Texas to Illinois
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One-way flight from Texas to Illinois
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Highest demand for flights based on searches. 11% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Texas to Illinois.
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Price to beat on a one-way flight from Texas to Illinois.
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Find flight deals from Texas to Illinois

Cheapest flights from Texas to Illinois
Explore the most affordable flight options available from Texas to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
Fri 9/55:05 pmIAH - ORD
Nonstop2h 45mSpirit Airlines
Mon 9/87:06 pmORD - IAH
1 stop9h 24mSpirit Airlines
Deal found 7/29$109
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:25 amDFW - STL
Nonstop1h 53mFrontier
Sun 8/3110:17 amSTL - DFW
Nonstop1h 56mFrontier
Deal found 7/29$109
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:02 pmIAH - ORD
Nonstop2h 40mMultiple Airlines
Mon 8/2512:31 pmORD - IAH
Nonstop2h 55mMultiple Airlines
Deal found 7/30$113
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Fri 10/109:28 pmDFW - ORD
Nonstop2h 22mMultiple Airlines
Sun 10/125:25 amORD - DFW
Nonstop2h 33mMultiple Airlines
Deal found 7/30$117
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:28 pmDFW - ORD
Nonstop2h 22mSpirit Airlines
Sun 10/195:31 pmORD - DFW
Nonstop2h 35mSpirit Airlines
Deal found 7/30$118
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:45 amDFW - STL
1 stop6h 47mSpirit Airlines
Thu 9/412:05 pmSTL - DFW
1 stop7h 42mSpirit Airlines
Deal found 7/29$119
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:19 pmDFW - ORD
Nonstop2h 35mFrontier
Tue 9/96:44 pmORD - DFW
Nonstop2h 55mFrontier
Deal found 7/30$119
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:55 amDFW - MDW
Nonstop2h 23mFrontier
Mon 9/87:15 amMDW - DFW
Nonstop2h 31mFrontier
Deal found 7/28$119
This Agoda.com deal was found by Cheapflights users on 7/28. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/298:28 pmIAH - ORD
Nonstop2h 51mFrontier
Sun 8/3112:42 pmORD - IAH
Nonstop2h 55mFrontier
Deal found 7/28$126
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/204:35 pmDFW - STL
Nonstop1h 47mAmerican Airlines
Tue 9/237:16 amSTL - DFW
Nonstop1h 58mAmerican Airlines
Deal found 7/30$139
This Southwest deal was found by Cheapflights users on 7/29. 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.
Wed 10/14:45 pmHOU - MDW
Nonstop2h 25mSouthwest
Sat 10/412:15 pmMDW - HOU
Nonstop2h 40mSouthwest
Deal found 7/29$157
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 8/278:20 amDAL - ORD
Nonstop2h 25mSouthwest
Wed 9/37:30 amORD - DAL
Nonstop2h 25mSouthwest
Deal found 7/28$157

Cheapflights Fare Finder

 
Customize your flight search to find flights from Texas 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 July 30, 2025.
Use the filters below to find and compare flights from Texas to Illinois that are best for you.

Fly from

Texas

Fly to

Illinois

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 9/5

5:05 pm-7:50 pm

Nonstop2h 45m

Chicago O'Hare Intl

Mon 9/8

7:06 pm-4:30 am

1 stop9h 24m

$109

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 8/28

7:25 am-9:18 am

Nonstop1h 53m

Lambert-St Louis

Sun 8/31

10:17 am-12:13 pm

Nonstop1h 56m

$109

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/20

5:02 pm-7:42 pm

Nonstop2h 40m

Chicago O'Hare Intl

Mon 8/25

12:31 pm-3:26 pm

Nonstop2h 55m

$113

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 10/10

9:28 pm-11:50 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 10/12

5:25 am-7:58 am

Nonstop2h 33m

$117

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 10/17

9:28 pm-11:50 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 10/19

5:31 pm-8:06 pm

Nonstop2h 35m

$118

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 9/5

1:19 pm-3:54 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 9/9

6:44 pm-9:39 pm

Nonstop2h 55m

$119

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 8/28

6:45 am-1:32 pm

1 stop6h 47m

Lambert-St Louis

Thu 9/4

12:05 pm-7:47 pm

1 stop7h 42m

$119

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Thu 9/4

6:55 am-9:18 am

Nonstop2h 23m

Chicago Midway

Mon 9/8

7:15 am-9:46 am

Nonstop2h 31m

$119

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 8/29

8:28 pm-11:19 pm

Nonstop2h 51m

Chicago O'Hare Intl

Sun 8/31

12:42 pm-3:37 pm

Nonstop2h 55m

$126

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 9/20

4:35 pm-6:22 pm

Nonstop1h 47m

Lambert-St Louis

Tue 9/23

7:16 am-9:14 am

Nonstop1h 58m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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Best time to book a flight from Texas to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Texas 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 Texas to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Texas to Illinois (average of $245). Flying from Texas 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 TX to IL?

Find hourly flight availability from Texas 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 July 30, 2025.

When flying from Texas 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 Texas to Illinois

Explore weekly flight availability from Texas 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 July 30, 2025.

The most flights from USTX to USIL are scheduled on a Wednesday (82 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (54 on average).

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 July 30, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Texas to Illinois by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
7,980 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
8,896 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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
4,241 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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.
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

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 Texas 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 Texas to Illinois one-way?

    The cheapest airlines for a one-way flight from Texas to Illinois are Spirit Airlines ($63), Frontier ($69), and American Airlines ($69).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Texas 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 Texas to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Texas to Illinois (average of $245). Flying from Texas 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 Texas to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Texas to Illinois

Discover the top 7 airlines that operate flights from Texas 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$187FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$56Average$190FlexibilityNo cancel feeOn-time65%
ContourCheapest$134Average$252FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$147Average$358FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$413FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$159Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$196Average$349FlexibilityNo cancel feeOn-timeN/A

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