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$46+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DFW
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Frontier deal was found by Cheapflights users on 1/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:25 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Tue 5/512:27 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 1/28$83
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:18 am
ORD
-
IAH
Nonstop3h 06m
Spirit Airlines
Sun 3/15:15 am
IAH
-
ORD
Nonstop2h 39m
Spirit Airlines
Deal found 1/28$84
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:59 am
ORD
-
IAH
Nonstop3h 01m
Spirit Airlines
Wed 2/253:37 pm
IAH
-
ORD
Nonstop2h 41m
Spirit Airlines
Deal found 1/28$85
This CheapOair deal was found by Cheapflights users on 1/27. 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 2/197:00 am
ORD
-
IAH
Nonstop3h 22m
Multiple Airlines
Sun 2/225:15 am
IAH
-
ORD
Nonstop2h 39m
Multiple Airlines
Deal found 1/27$86
This Frontier deal was found by Cheapflights users on 1/27. 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 2/1811:51 am
ORD
-
DFW
1 stop10h 50m
Frontier
Sat 2/288:42 pm
DFW
-
ORD
Nonstop2h 35m
Frontier
Deal found 1/27$87
This Frontier deal was found by Cheapflights users on 1/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:15 am
MDW
-
DFW
1 stop8h 58m
Frontier
Sat 3/76:05 pm
DFW
-
MDW
Nonstop2h 16m
Frontier
Deal found 1/29$87
This Super.com deal was found by Cheapflights users on 1/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:15 am
ORD
-
DFW
Nonstop2h 52m
Frontier
Sun 3/810:17 pm
DFW
-
ORD
Nonstop2h 36m
Frontier
Deal found 1/28$88
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/207:45 am
MDW
-
DFW
Nonstop2h 52m
Frontier
Thu 2/266:56 pm
DFW
-
MDW
Nonstop2h 16m
Frontier
Deal found 1/27$88
This CheapOair deal was found by Cheapflights users on 1/27. 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 2/267:00 am
ORD
-
IAH
Nonstop3h 22m
Frontier
Sun 3/111:17 am
IAH
-
ORD
Nonstop2h 48m
Frontier
Deal found 1/27$88
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:16 pm
ORD
-
DFW
1 stop13h 42m
Multiple Airlines
Mon 3/168:39 pm
DFW
-
ORD
Nonstop2h 35m
Multiple Airlines
Deal found 1/28$89
This Trip.com deal was found by Cheapflights users on 1/27. 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 3/53:00 pm
MDW
-
DFW
Nonstop2h 46m
Frontier
Sun 3/810:30 pm
DFW
-
MDW
Nonstop2h 19m
Frontier
Deal found 1/27$89
This Frontier deal was found by Cheapflights users on 1/27. 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 2/197:00 am
ORD
-
IAH
Nonstop3h 22m
Frontier
Sat 2/2112:24 pm
IAH
-
ORD
Nonstop2h 53m
Frontier
Deal found 1/27$89

Find flight deals from Illinois to Texas

Keep the following information in mind while searching for Illinois to Texas flight deals. Data was last updated January 29, 2026.

Round-trip from

$83
(Frontier)

One-way from

$46
(Expedia)

Popular in

May

Cheapest in

September

Average price

$186

Good round-trip deal

$91 or less

Good one-way deal

$70 or less
From Illinois to Texas
Search Deals
One-way flight from Illinois to Texas
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Texas.
Search Deals
Price to beat on a one-way flight from Illinois to Texas.
Search Deals

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 January 29, 2026.
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

Wed 3/11

11:25 am-2:08 pm

Nonstop2h 43m

Dallas/Fort Worth

Wed 3/18

8:00 am-10:25 am

Nonstop2h 25m

$97

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Thu 2/26

3:00 pm-5:46 pm

Nonstop2h 46m

Dallas/Fort Worth

Thu 3/5

6:56 pm-9:12 pm

Nonstop2h 16m

$116

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Tue 3/3

7:30 am-4:15 pm

1 stop8h 45m

Dallas/Fort Worth

Wed 3/11

8:00 am-10:25 am

Nonstop2h 25m

$128

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Wed 2/18

7:00 am-4:13 pm

1 stop9h 13m

Dallas/Fort Worth

Thu 2/26

6:56 pm-9:12 pm

Nonstop2h 16m

$130

ChicagoDallas

MDW - DAL

MDWDAL

Chicago Midway

Tue 2/24

5:55 am-8:30 am

Nonstop2h 35m

Dallas Love Field

Wed 2/25

7:00 am-9:10 am

Nonstop2h 10m

$157

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 2/13

4:42 pm-7:34 pm

1 stop26h 52m

Houston George Bush Intcntl

Mon 2/16

5:15 am-7:54 am

Nonstop2h 39m

$160

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Thu 3/12

4:55 pm-7:38 pm

Nonstop2h 43m

Dallas/Fort Worth

Sun 3/15

6:00 am-10:19 pm

1 stop16h 19m

$160

ChicagoDallas

MDW - DFW

MDWDFW

Chicago Midway

Mon 2/16

8:15 am-11:05 am

Nonstop2h 50m

Dallas/Fort Worth

Thu 2/19

6:56 pm-9:12 pm

Nonstop2h 16m

$160

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 3/21

5:20 am-8:36 am

Nonstop3h 16m

Houston George Bush Intcntl

Sat 3/21

4:51 pm-7:45 pm

Nonstop2h 54m

$163

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 2/28

12:45 pm-3:48 pm

Nonstop3h 03m

Houston George Bush Intcntl

Sat 2/28

6:35 pm-9:28 pm

Nonstop2h 53m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 $56). Flying from Illinois to Texas in May is currently the most expensive (average of $88). 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 January 29, 2026.

When flying from Illinois to Texas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Illinois to Texas. Price data was last updated on January 24, 2026.

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

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 January 29, 2026.

The most flights from USIL to USTX are scheduled on a Thursday (62 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (32 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 January 29, 2026.
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
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

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
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

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
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

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
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

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
8,394 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

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
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

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 $157, Frontier can have you in Texas from Illinois in 2h 35m. There are 793 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 Frontier, which is currently one of the cheapest options available, starting at $33. Spirit Airlines flights start at $37 while deals on Southwest start at $73 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 $56). Flying from Illinois to Texas in May is currently the most expensive (average of $88). 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

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$200FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$58Average$198FlexibilityNo cancel feeOn-time65%
DeltaCheapest$118Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$125Average$365FlexibilityNo cancel feeOn-time69%
ContourCheapest$134Average$209FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$146Average$355FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$150Average$401FlexibilityNo cancel feeOn-time71%

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