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$41+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Super.com deal was found by Cheapflights users on 12/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:30 pmIAH - ORD
Nonstop2h 34mSpirit Airlines
Thu 1/83:22 pmORD - IAH
Nonstop3h 00mSpirit Airlines
Deal found 12/9$95
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:30 pmIAH - ORD
Nonstop2h 34mSpirit Airlines
Wed 1/79:09 pmORD - IAH
Nonstop2h 50mSpirit Airlines
Deal found 12/10$96
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmIAH - ORD
Nonstop2h 50mMultiple Airlines
Fri 1/93:22 pmORD - IAH
Nonstop3h 00mMultiple Airlines
Deal found 12/11$101
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmIAH - ORD
Nonstop2h 50mMultiple Airlines
Tue 1/69:09 pmORD - IAH
Nonstop2h 50mMultiple Airlines
Deal found 12/11$102
This Super.com deal was found by Cheapflights users on 12/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:01 pmDFW - ORD
Nonstop2h 38mFrontier
Mon 1/55:15 amORD - DFW
Nonstop2h 45mFrontier
Deal found 12/10$102
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:21 pmIAH - ORD
Nonstop3h 00mMultiple Airlines
Wed 12/319:09 pmORD - IAH
Nonstop2h 50mMultiple Airlines
Deal found 12/11$105
This Frontier deal was found by Cheapflights users on 12/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmIAH - ORD
Nonstop2h 50mFrontier
Thu 1/88:27 pmORD - IAH
1 stop13h 34mFrontier
Deal found 12/11$108
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:30 pmIAH - ORD
Nonstop2h 34mSpirit Airlines
Thu 1/153:22 pmORD - IAH
Nonstop3h 00mSpirit Airlines
Deal found 12/10$111
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:55 pmIAH - ORD
Nonstop2h 50mMultiple Airlines
Wed 12/319:09 pmORD - IAH
Nonstop2h 50mMultiple Airlines
Deal found 12/10$113
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:30 pmIAH - ORD
Nonstop2h 34mMultiple Airlines
Sun 1/186:30 amORD - IAH
Nonstop3h 01mMultiple Airlines
Deal found 12/10$114
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmIAH - ORD
Nonstop2h 50mMultiple Airlines
Mon 1/59:09 pmORD - IAH
Nonstop2h 50mMultiple Airlines
Deal found 12/11$117
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:35 pmDFW - ORD
Nonstop2h 25mMultiple Airlines
Mon 1/55:15 amORD - DFW
Nonstop2h 45mMultiple Airlines
Deal found 12/10$118

Find flight deals from Texas to Illinois

Keep the following information in mind while searching for Texas to Illinois flight deals. Data was last updated December 12, 2025.

Round-trip from

$83
(Super.com)

One-way from

$41
(Frontier)

Popular in

June

Cheapest in

February

Average price

$204

Good round-trip deal

$120 or less

Good one-way deal

$85 or less
From Texas to Illinois
Search Deals
One-way flight from Texas to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Texas to Illinois.
Search Deals
Price to beat on a one-way flight from Texas to Illinois.
Search Deals

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 December 12, 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 1/23

11:38 am-2:17 pm

Nonstop2h 39m

Chicago O'Hare Intl

Sun 1/25

7:20 am-8:23 pm

1 stop13h 03m

$97

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 2/12

11:44 am-2:23 pm

Nonstop2h 39m

Chicago O'Hare Intl

Tue 2/17

3:28 pm-6:28 pm

Nonstop3h 00m

$104

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Mon 1/12

10:07 pm-12:42 am

Nonstop2h 35m

Chicago O'Hare Intl

Thu 1/15

8:43 pm-9:58 am

1 stop13h 15m

$106

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Fri 1/9

2:53 pm-11:09 pm

1 stop8h 16m

Chicago Midway

Fri 1/16

5:25 pm-8:30 pm

Nonstop3h 05m

$115

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Mon 1/12

10:07 pm-12:42 am

Nonstop2h 35m

Chicago O'Hare Intl

Thu 1/15

5:01 pm-7:59 pm

Nonstop2h 58m

$118

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Sat 1/10

10:34 am-10:27 pm

1 stop11h 53m

Chicago Midway

Thu 1/15

11:05 am-1:48 pm

Nonstop2h 43m

$122

HoustonChicago

IAH - MDW

IAHMDW

Houston George Bush Intcntl

Sun 1/11

4:15 pm-10:17 pm

1 stop6h 02m

Chicago Midway

Fri 1/16

5:25 pm-8:30 pm

Nonstop3h 05m

$132

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 1/13

7:25 am-9:03 pm

1 stop13h 38m

Chicago O'Hare Intl

Fri 1/16

8:43 pm-10:34 am

1 stop13h 51m

$142

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Wed 12/31

7:00 am-9:21 am

Nonstop2h 21m

Chicago Midway

Sat 1/3

7:05 am-9:48 am

Nonstop2h 43m

$145

AustinChicago

AUS - ORD

AUSORD

Austin Bergstrom

Tue 1/13

7:25 am-11:46 pm

1 stop16h 21m

Chicago O'Hare Intl

Fri 1/16

4:31 pm-7:35 pm

Nonstop3h 04m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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, March is the cheapest month in which you can book a flight from Texas to Illinois (average of $49). Flying from Texas to Illinois in July is currently the most expensive (average of $87). 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Texas to Illinois in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Texas to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Texas to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Texas to Illinois flight should consider departing on Sunday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 2025.

The most flights from USTX to USIL are scheduled on a Thursday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 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 December 12, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American 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
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

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
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

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
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

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
8,179 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

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.
Frontier
5.8
Fair
3,084 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

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.

  • How long is the flight from Texas to Illinois?

    For as low as $157, Spirit Airlines can have you in Illinois from Texas in 2h 25m. The distance between Texas and Illinois is about 938 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Frontier ($26), Spirit Airlines ($36), and United 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, March is the cheapest month in which you can book a flight from Texas to Illinois (average of $49). Flying from Texas to Illinois in July is currently the most expensive (average of $87). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$61Average$192FlexibilityNo cancel feeOn-time65%
FrontierCheapest$65Average$208FlexibilityNo cancel feeOn-time62%
ContourCheapest$109Average$228FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$134Average$376FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$146Average$336FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$346FlexibilityNo cancel feeOn-timeN/A

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