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$28+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:13 pmIAH - ORD
Nonstop2h 38mMultiple Airlines
Sat 11/156:00 amORD - IAH
1 stop6h 05mMultiple Airlines
Deal found 10/26$95
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sat 11/227:40 pmIAH - MDW
Nonstop2h 32mFrontier
Tue 11/254:00 pmMDW - IAH
Nonstop3h 00mFrontier
Deal found 10/27$95
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Sat 11/2210:12 amIAH - ORD
Nonstop2h 51mFrontier
Tue 11/256:30 amORD - IAH
Nonstop2h 57mFrontier
Deal found 10/27$96
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:05 amIAH - ORD
1 stop11h 22mFrontier
Sun 12/73:47 pmORD - IAH
Nonstop3h 09mFrontier
Deal found 10/26$97
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:05 amIAH - MDW
1 stop12h 03mFrontier
Sun 12/72:01 pmMDW - IAH
Nonstop3h 07mFrontier
Deal found 10/26$97
This Frontier deal was found by Cheapflights users on 10/28. 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.
Fri 11/2110:22 amIAH - ORD
Nonstop2h 51mFrontier
Sun 11/236:30 amORD - IAH
Nonstop2h 57mFrontier
Deal found 10/28$98
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/195:27 pmIAH - ORD
1 stop7h 00mMultiple Airlines
Tue 11/256:30 amORD - IAH
Nonstop2h 57mMultiple Airlines
Deal found 10/27$99
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:38 pmDFW - ORD
1 stop17h 50mMultiple Airlines
Sat 11/156:25 pmORD - DFW
Nonstop2h 49mMultiple Airlines
Deal found 10/27$99
This Spirit deal was found by Cheapflights users on 10/26. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:13 pmIAH - ORD
Nonstop2h 34mSpirit Airlines
Tue 12/168:53 pmORD - IAH
Nonstop2h 56mSpirit Airlines
Deal found 10/26$100
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:45 amIAH - MDW
1 stop28h 23mFrontier
Sun 12/72:01 pmMDW - IAH
Nonstop3h 07mFrontier
Deal found 10/27$100
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:05 amDFW - ORD
Nonstop2h 26mSpirit Airlines
Mon 11/175:57 pmORD - DFW
Nonstop2h 40mSpirit Airlines
Deal found 10/28$100
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/57:30 amDFW - ORD
Nonstop2h 37mMultiple Airlines
Tue 11/259:22 pmORD - DFW
Nonstop2h 37mMultiple Airlines
Deal found 10/27$101

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 October 28, 2025.

Round-trip from

$95
(Priceline)

One-way from

$28
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$190

Good round-trip deal

$132 or less

Good one-way deal

$64 or less
From Texas to Illinois
Search Deals
One-way flight from Texas to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($22 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 October 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 October 28, 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

Tue 12/16

5:13 pm-7:47 pm

Nonstop2h 34m

Chicago O'Hare Intl

Tue 12/16

8:53 pm-11:49 pm

Nonstop2h 56m

$100

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 11/15

8:00 am-3:38 pm

1 stop7h 38m

Lambert-St Louis

Tue 11/18

7:45 pm-2:36 pm

1 stop18h 51m

$110

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Thu 11/13

9:49 pm-11:30 am

1 stop13h 41m

Chicago Midway

Mon 11/17

1:37 pm-10:49 pm

1 stop9h 12m

$110

HoustonChicago

HOU - MDW

HOUMDW

Houston Hobby

Wed 1/14

8:30 pm-10:55 pm

Nonstop2h 25m

Chicago Midway

Sun 1/18

7:55 pm-10:40 pm

Nonstop2h 45m

$117

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 1/22

8:16 pm-10:58 pm

Nonstop2h 42m

Chicago O'Hare Intl

Mon 1/26

9:05 pm-12:12 am

Nonstop3h 07m

$117

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 12/1

8:54 pm-3:12 pm

1 stop18h 18m

Chicago O'Hare Intl

Fri 2/6

12:18 pm-3:34 pm

Nonstop3h 16m

$119

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Thu 11/6

3:35 pm-5:27 pm

Nonstop1h 52m

Lambert-St Louis

Mon 11/10

7:45 pm-11:09 am

1 stop15h 24m

$127

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Wed 11/5

8:59 pm-9:12 am

1 stop12h 13m

Chicago Midway

Fri 11/7

8:55 am-11:28 am

Nonstop2h 33m

$131

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 1/1

6:30 am-9:17 am

Nonstop2h 47m

Chicago O'Hare Intl

Tue 1/6

7:35 am-10:40 am

Nonstop3h 05m

$142

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Thu 11/6

5:35 am-11:30 am

1 stop5h 55m

Chicago Midway

Mon 11/10

3:40 pm-11:14 pm

1 stop7h 34m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

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 October 28, 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 35% 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 Saturday at noon 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.

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 October 28, 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
8.0
Very good
4,240 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

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
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

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
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

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
8,116 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

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
3,124 reviews
Southwest
8.0
Very good
4,240 reviews

Boarding

8.1

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Crew

8.6

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 $117, 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 Spirit Airlines ($49), Frontier ($55), and Southwest ($59).

  • 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$61Average$194FlexibilityNo cancel feeOn-time65%
FrontierCheapest$66Average$205FlexibilityNo cancel feeOn-time62%
ContourCheapest$109Average$228FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$137Average$414FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$147Average$352FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$157Average$390FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$346FlexibilityNo cancel feeOn-timeN/A

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