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$26+ Cheap flights from Illinois to Texas

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DFW
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Illinois to Texas

Keep the following information in mind while searching for Illinois to Texas flight deals. Data was last updated September 11, 2025.

Round-trip from

$86
(Frontier)

One-way from

$26
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$177

Good round-trip deal

$114 or less

Good one-way deal

$98 or less
From Illinois to Texas
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One-way flight from Illinois to Texas
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Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Texas.
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Price to beat on a one-way flight from Illinois to Texas.
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Find flight deals from Illinois to Texas

Cheapest flights from Illinois to Texas
Explore the most affordable flight options available from Illinois to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:14 pmORD - IAH
Nonstop2h 57mFrontier
Fri 10/1710:12 pmIAH - ORD
Nonstop2h 32mFrontier
Deal found 9/10$86
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Wed 10/81:09 pmIAH - ORD
1 stop10h 36mSpirit Airlines
Deal found 9/10$88
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:35 amORD - IAH
Nonstop2h 45mSpirit Airlines
Sat 11/154:29 pmIAH - ORD
Nonstop2h 47mSpirit Airlines
Deal found 9/10$90
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mMultiple Airlines
Mon 10/67:55 pmIAH - ORD
Nonstop2h 48mMultiple Airlines
Deal found 9/10$91
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:03 pmORD - IAH
Nonstop3h 07mFrontier
Sat 10/115:28 pmIAH - ORD
Nonstop2h 46mFrontier
Deal found 9/10$92
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:14 pmORD - IAH
Nonstop2h 57mFrontier
Sun 10/269:54 pmIAH - ORD
Nonstop2h 32mFrontier
Deal found 9/10$93
This Flighttix deal was found by Cheapflights users on 9/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Sun 10/55:20 pmIAH - ORD
Nonstop2h 43mSpirit Airlines
Deal found 9/10$94
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/86:35 amORD - IAH
1 stop7h 32mMultiple Airlines
Sat 10/185:28 pmIAH - ORD
Nonstop2h 46mMultiple Airlines
Deal found 9/10$95
This Priceline deal was found by Cheapflights users on 9/10. 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.
Sat 10/111:14 pmORD - IAH
Nonstop2h 57mMultiple Airlines
Wed 10/151:09 pmIAH - ORD
1 stop10h 36mMultiple Airlines
Deal found 9/10$96
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/254:03 pmORD - IAH
Nonstop3h 07mFrontier
Mon 9/298:00 pmIAH - ORD
Nonstop2h 45mFrontier
Deal found 9/10$97
This Frontier deal was found by Cheapflights users on 9/9. 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.
Thu 10/210:13 amMDW - DFW
Nonstop2h 38mFrontier
Mon 10/610:41 amDFW - MDW
Nonstop2h 30mFrontier
Deal found 9/9$98
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:56 pmORD - IAH
Nonstop2h 49mMultiple Airlines
Mon 9/298:00 pmIAH - ORD
Nonstop2h 45mMultiple Airlines
Deal found 9/9$98

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Texas 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 September 11, 2025.
Use the filters below to find and compare flights from Illinois to Texas that are best for you.

Fly from

Illinois

Fly to

Texas

Route

Depart

Return

Price

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Thu 10/23

5:20 pm-8:01 pm

Nonstop2h 41m

Dallas/Fort Worth

Sun 10/26

9:01 pm-11:20 pm

Nonstop2h 19m

$102

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Sat 10/11

5:20 pm-8:01 pm

Nonstop2h 41m

Dallas/Fort Worth

Mon 10/13

9:57 pm-12:16 am

Nonstop2h 19m

$105

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 10/3

9:35 pm-5:45 am

1 stop8h 10m

Dallas/Fort Worth

Sun 10/5

8:00 am-9:54 am

Nonstop1h 54m

$105

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Wed 11/12

2:06 pm-8:51 pm

1 stop6h 45m

Dallas/Fort Worth

Mon 11/17

3:39 pm-5:59 pm

Nonstop2h 20m

$109

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 10/23

10:17 am-12:14 pm

Nonstop1h 57m

Dallas/Fort Worth

Fri 10/24

9:36 pm-9:07 am

1 stop11h 31m

$115

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 10/9

10:57 am-12:10 am

1 stop13h 13m

Dallas/Fort Worth

Sun 10/12

7:30 am-9:22 am

Nonstop1h 52m

$124

ChicagoDallas

ORD - DAL

ORDDAL

Chicago O'Hare Intl

Wed 10/8

7:30 am-10:00 am

Nonstop2h 30m

Dallas Love Field

Wed 10/8

12:50 pm-3:20 pm

Nonstop2h 30m

$128

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 10/29

7:22 am-10:06 am

Nonstop2h 44m

Houston George Bush Intcntl

Sat 11/1

6:59 pm-9:49 pm

Nonstop2h 50m

$133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 10/11

7:10 am-10:03 am

Nonstop2h 53m

Houston George Bush Intcntl

Tue 10/14

5:00 am-7:50 am

Nonstop2h 50m

$133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 10/11

5:50 pm-8:44 pm

Nonstop2h 54m

Houston George Bush Intcntl

Wed 10/15

6:30 am-9:21 am

Nonstop2h 51m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

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

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Texas (average of $216). Flying from Illinois to Texas in March is currently the most expensive (average of $295). 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 IL to TX?

Find hourly flight availability from Illinois to Texas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Texas as you normally would.

Weekly flight availability from Illinois to Texas

Explore weekly flight availability from Illinois to Texas. 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 September 11, 2025.

The most flights from USIL to USTX are scheduled on a Thursday (69 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).

Reviews of airlines servicing Texas

Get insights into the airlines that provide service to Texas. 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 Texas. Reviews last updated September 11, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from Illinois to Texas have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Illinois to Texas. 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 Illinois to Texas?

    For as low as $128, Frontier can have you in Texas from Illinois in 2h 30m. There are 798 mi between Illinois and Texas. Most flights are nonstop.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $57. United Airlines flights start at $64 while deals on Southwest start at $64 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Illinois to Texas (average of $216). Flying from Illinois to Texas in March is currently the most expensive (average of $295). 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 Illinois to Texas

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

Discover the top 7 airlines that operate flights from Illinois to Texas. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$57Average$207FlexibilityNo cancel feeOn-time65%
FrontierCheapest$62Average$182FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$147Average$366FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$156Average$384FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$408FlexibilityNo cancel feeOn-time71%
ContourCheapest$167Average$217FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$216Average$388FlexibilityNo cancel feeOn-timeN/A

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