$50+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Feb 28 — Mar 71
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Texas to Illinois
Cheapest flights from Texas to IllinoisExplore 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 January 29, 2026.
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 January 29, 2026.
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.
Sat 2/2812:24 pm
IAH
- ORD
Nonstop2h 53m
Multiple Airlines
Tue 3/312:44 pm
ORD
- IAH
1 stop8h 01m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$79
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.
Thu 2/2611:17 am
IAH
- ORD
Nonstop2h 48m
Multiple Airlines
Tue 3/39:18 am
ORD
- IAH
Nonstop3h 06m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$80
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.
Sat 2/1412:24 pm
IAH
- ORD
Nonstop2h 53m
Frontier
Sat 2/218:05 am
ORD
- IAH
Nonstop3h 24m
Frontier
Deal found 1/28![Frontier logo]()
$81
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 4/2112:27 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Tue 4/288:25 am
ORD
- IAH
Nonstop3h 07m
Frontier
Deal found 1/28![Frontier logo]()
$82
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.
Fri 4/179:10 am
DFW
- ORD
Nonstop2h 32m
Frontier
Mon 4/205:11 am
ORD
- DFW
Nonstop2h 49m
Frontier
Deal found 1/28![Frontier logo]()
$82
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.
Thu 4/238:03 pm
DFW
- MDW
Nonstop2h 18m
Frontier
Mon 4/274:09 pm
MDW
- DFW
Nonstop2h 54m
Frontier
Deal found 1/28![Frontier logo]()
$82
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.
Tue 4/2112:27 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Thu 4/235:25 am
ORD
- IAH
Nonstop3h 07m
Frontier
Deal found 1/28![Frontier logo]()
$83
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 4/309:10 am
DFW
- ORD
Nonstop2h 32m
Frontier
Sat 5/24:55 pm
ORD
- DFW
Nonstop3h 02m
Frontier
Deal found 1/27![Frontier logo]()
$83
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 4/308:03 pm
DFW
- MDW
Nonstop2h 18m
Frontier
Mon 5/44:09 pm
MDW
- DFW
Nonstop2h 54m
Frontier
Deal found 1/27![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:15 am
IAH
- ORD
Nonstop2h 39m
Multiple Airlines
Thu 2/267:00 am
ORD
- IAH
Nonstop3h 22m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$84
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.
Sat 5/29:07 pm
DFW
- ORD
Nonstop2h 30m
Frontier
Mon 5/45:11 am
ORD
- DFW
Nonstop2h 49m
Frontier
Deal found 1/27![Frontier logo]()
$84
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 5/78:03 pm
DFW
- MDW
Nonstop2h 18m
Frontier
Mon 5/114:09 pm
MDW
- DFW
Nonstop2h 54m
Frontier
Deal found 1/27![Frontier logo]()
$84
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 January 29, 2026.
Round-trip from | $79 (Kiwi.com) |
|---|---|
One-way from | $50 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $179 |
Good round-trip deal | $72 or less |
Good one-way deal | $97 or less |
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 January 29, 2026.
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
Sat 2/28
12:24 pm-3:17 pm
Nonstop2h 53m
Chicago O'Hare Intl
Tue 3/3
12:44 pm-8:45 pm
1 stop8h 01m
$79
DallasChicago
DFW - MDW
DFWMDW
Dallas/Fort Worth
Thu 2/26
10:45 am-4:16 pm
1 stop5h 31m
Chicago Midway
Sat 2/28
9:15 am-12:00 pm
Nonstop2h 45m
$97
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 4/30
9:27 am-12:17 pm
Nonstop2h 50m
Chicago O'Hare Intl
Tue 5/5
8:25 am-11:32 am
Nonstop3h 07m
$103
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 2/26
5:15 am-7:54 am
Nonstop2h 39m
Chicago O'Hare Intl
Thu 3/5
8:59 am-12:00 pm
Nonstop3h 01m
$106
DallasChicago
DFW - MDW
DFWMDW
Dallas/Fort Worth
Thu 2/12
6:56 pm-9:12 pm
Nonstop2h 16m
Chicago Midway
Sat 2/28
9:15 am-12:00 pm
Nonstop2h 45m
$106
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 2/18
4:22 pm-11:47 pm
1 stop7h 25m
Chicago O'Hare Intl
Sat 2/28
8:16 pm-8:00 am
1 stop11h 44m
$116
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 2/24
5:46 am-7:11 pm
1 stop13h 25m
Chicago O'Hare Intl
Wed 3/4
8:16 pm-8:00 am
1 stop11h 44m
$116
DallasChicago
DFW - MDW
DFWMDW
Dallas/Fort Worth
Sat 2/21
1:00 pm-3:19 pm
Nonstop2h 19m
Chicago Midway
Sun 2/22
9:04 pm-7:02 am
1 stop9h 58m
$122
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 4/30
9:27 am-12:17 pm
Nonstop2h 50m
Chicago O'Hare Intl
Tue 5/5
6:34 pm-8:19 am
1 stop13h 45m
$134
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 4/2
11:41 am-2:16 pm
Nonstop2h 35m
Chicago O'Hare Intl
Sun 4/5
3:21 pm-6:14 pm
Nonstop2h 53m
$138
Showing 1-10 of 60 results
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 $47). 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 January 29, 2026.
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 23% 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 January 24, 2026.
Travelers seeking maximum savings on their Texas to Illinois flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday 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 January 29, 2026.
The most flights from USTX to USIL are scheduled on a Thursday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 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 January 29, 2026.
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.
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Texas to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$184 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$60 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$207 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$377 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$143 | Average$364 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$306 | FlexibilityNo cancel fee | On-timeN/A |