$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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Aug 11 — Aug 181
Round-trip
1 adult, Economy
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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 July 12, 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 July 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/93:55 pm
DFW
- STL
1 stop17h 45m
Frontier
Mon 9/146:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 7/8![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sat 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sat 8/154:57 pm
STL
- DFW
1 stop19h 33m
Frontier
Deal found 7/11![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/116:34 pm
STL
- DFW
1 stop17h 56m
Frontier
Deal found 7/7![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/82:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 9/1710:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/8![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/243:48 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 9/2810:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/7![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/128:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Sat 9/1910:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/8![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/93:55 pm
DFW
- STL
1 stop17h 45m
Frontier
Wed 9/1610:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/8![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Fri 9/46:17 am
DFW
- STL
1 stop11h 05m
Frontier
Tue 9/85:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/10![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 9/238:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Tue 9/2910:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/10![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 7/9. 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.
Wed 8/59:07 am
DFW
- STL
1 stop10h 16m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/9![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 7/12. 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 8/59:07 am
DFW
- STL
1 stop10h 16m
Frontier
Thu 8/63:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/12![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:16 pm
IAH
- ORD
1 stop7h 37m
Frontier
Mon 8/107:05 am
ORD
- IAH
1 stop15h 24m
Frontier
Deal found 7/9![Frontier logo]()
$166
Best flights from Texas to IllinoisDiscover carefully curated flight deals from Texas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
Discover carefully curated flight deals from Texas to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 12, 2026.
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:50 pm
HOU
- MDW
Nonstop2h 20m
Southwest
Tue 8/114:40 pm
MDW
- HOU
1 stop6h 05m
Southwest
Deal found 7/10![Southwest logo]()
$189
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:45 am
DFW
- STL
1 stop5h 01m
Delta
Tue 8/1112:52 pm
STL
- DFW
1 stop6h 07m
Delta
Deal found 7/9![Delta logo]()
$191
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:45 am
DFW
- STL
1 stop5h 12m
United Airlines
Tue 8/1811:15 am
STL
- DFW
1 stop4h 50m
United Airlines
Deal found 7/7![United Airlines logo]()
$207
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:25 am
HOU
- MDW
1 stop3h 50m
Southwest
Tue 8/2510:10 am
MDW
- HOU
1 stop3h 50m
Southwest
Deal found 7/10![Southwest logo]()
$191
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:10 am
DFW
- STL
1 stop6h 23m
Delta
Mon 8/103:50 pm
STL
- DFW
1 stop6h 41m
Delta
Deal found 7/10![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:30 am
DFW
- STL
1 stop5h 21m
Delta
Mon 10/127:20 pm
STL
- DFW
1 stop4h 44m
Delta
Deal found 7/9![Delta logo]()
$191
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:00 pm
DFW
- STL
1 stop7h 03m
Delta
Sat 8/291:04 pm
STL
- DFW
1 stop6h 27m
Delta
Deal found 7/8![Delta logo]()
$191
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
DAL
- MDW
Nonstop2h 10m
Southwest
Mon 8/107:00 pm
MDW
- DAL
Nonstop2h 15m
Southwest
Deal found 7/8![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:35 am
AUS
- ORD
Nonstop2h 55m
United Airlines
Thu 10/17:00 am
ORD
- AUS
Nonstop2h 58m
United Airlines
Deal found 7/12![United Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
HOU
- MDW
1 stop5h 51m
Delta
Tue 8/115:10 pm
MDW
- HOU
1 stop4h 55m
Delta
Deal found 7/9![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:10 am
DAL
- MDW
1 stop5h 10m
Southwest
Fri 8/147:25 am
MDW
- DAL
Nonstop2h 10m
Southwest
Deal found 7/10![Southwest logo]()
$228
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:40 am
AUS
- ORD
Nonstop2h 59m
United Airlines
Thu 8/65:30 am
ORD
- AUS
1 stop5h 49m
United Airlines
Deal found 7/7![United Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:05 am
IAH
- ORD
1 stop6h 22m
Delta
Tue 11/103:35 pm
ORD
- IAH
1 stop5h 35m
Delta
Deal found 7/9![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:45 am
AUS
- ORD
Nonstop2h 55m
United Airlines
Sun 10/117:00 am
ORD
- AUS
Nonstop2h 58m
United Airlines
Deal found 7/10![United Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:26 am
IAH
- ORD
1 stop4h 48m
Delta
Tue 9/296:25 pm
ORD
- IAH
1 stop5h 31m
Delta
Deal found 7/9![Delta logo]()
$199
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:20 am
IAH
- MDW
1 stop7h 19m
Delta
Thu 8/1310:54 am
MDW
- IAH
1 stop4h 48m
Delta
Deal found 7/9![Delta logo]()
$199
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:45 pm
HOU
- MDW
Nonstop2h 25m
Southwest
Sun 8/167:20 am
MDW
- HOU
Nonstop2h 30m
Southwest
Deal found 7/10![Southwest logo]()
$265
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:06 pm
AUS
- ORD
1 stop5h 53m
United Airlines
Sun 10/117:00 am
ORD
- AUS
Nonstop2h 58m
United Airlines
Deal found 7/9![United Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am
IAH
- MDW
1 stop5h 05m
Delta
Wed 11/1110:35 am
MDW
- IAH
1 stop6h 00m
Delta
Deal found 7/10![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:33 pm
AUS
- ORD
Nonstop2h 57m
United Airlines
Thu 8/275:30 am
ORD
- AUS
1 stop5h 36m
United Airlines
Deal found 7/10![United Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:05 am
DAL
- MDW
1 stop4h 15m
Southwest
Mon 12/75:20 pm
MDW
- DAL
1 stop3h 40m
Southwest
Deal found 7/9![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 7/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:26 pm
HOU
- ORD
1 stop6h 33m
Delta
Mon 9/1411:29 am
ORD
- HOU
1 stop5h 02m
Delta
Deal found 7/8![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:35 am
AUS
- ORD
Nonstop2h 59m
United Airlines
Tue 8/116:29 pm
ORD
- AUS
1 stop4h 45m
United Airlines
Deal found 7/9![United Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:30 pm
DAL
- MDW
1 stop4h 15m
Southwest
Tue 8/48:55 am
MDW
- DAL
1 stop4h 20m
Southwest
Deal found 7/10![Southwest logo]()
$289
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:20 pm
IAH
- ORD
1 stop5h 10m
Delta
Mon 10/58:55 am
ORD
- IAH
2 stops8h 37m
Delta
Deal found 7/7![Delta logo]()
$204
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:10 am
DFW
- ORD
1 stop5h 10m
United Airlines
Wed 8/57:15 am
ORD
- DFW
Nonstop2h 43m
United Airlines
Deal found 7/7![United Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
DAL
- MDW
Nonstop2h 10m
Southwest
Sun 8/166:05 am
MDW
- DAL
1 stop5h 00m
Southwest
Deal found 7/8![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:21 pm
IAH
- ORD
2 stops8h 09m
Delta
Sat 9/128:55 am
ORD
- IAH
1 stop5h 30m
Delta
Deal found 7/10![Delta logo]()
$204
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:47 am
SAT
- ORD
1 stop4h 54m
United Airlines
Fri 10/95:53 pm
ORD
- SAT
1 stop4h 58m
United Airlines
Deal found 7/7![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:35 pm
DAL
- MDW
1 stop4h 20m
Southwest
Sat 8/82:25 pm
MDW
- DAL
1 stop5h 15m
Southwest
Deal found 7/10![Southwest logo]()
$294
Last-minute flights from Texas to IllinoisDiscover last-minute flight deals from Texas to Illinois. Data last updated July 12, 2026 and is based on user searches.
Discover last-minute flight deals from Texas to Illinois. Data last updated July 12, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 7/8. 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 8/11:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/63:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/8![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 7/9. 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.
Wed 8/59:07 am
DFW
- STL
1 stop10h 16m
Frontier
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/9![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 7/12. 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 8/59:07 am
DFW
- STL
1 stop10h 16m
Frontier
Thu 8/63:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/12![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:16 pm
IAH
- ORD
1 stop7h 37m
Frontier
Mon 8/107:05 am
ORD
- IAH
1 stop15h 24m
Frontier
Deal found 7/9![Frontier logo]()
$166
This Kissandfly.com deal was found by Cheapflights users on 7/11. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/106:36 am
STL
- DFW
Nonstop1h 59m
Frontier
Deal found 7/11![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/66:13 am
DFW
- STL
1 stop11h 24m
Frontier
Tue 8/116:34 pm
STL
- DFW
1 stop17h 56m
Frontier
Deal found 7/8![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 8/61:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Thu 8/136:34 pm
STL
- DFW
2 stops38h 33m
Frontier
Deal found 7/10![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sat 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sat 8/154:57 pm
STL
- DFW
1 stop19h 33m
Frontier
Deal found 7/11![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 7/12. 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 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Tue 8/117:03 pm
STL
- DFW
1 stop10h 45m
Frontier
Deal found 7/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:16 pm
IAH
- MDW
1 stop9h 47m
Frontier
Mon 8/1711:06 am
MDW
- IAH
1 stop11h 23m
Frontier
Deal found 7/9![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 7/10. 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.
Thu 8/272:35 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sun 8/305:27 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/10![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/276:17 am
DFW
- STL
1 stop11h 05m
Frontier
Mon 8/316:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/8![Frontier logo]()
$151
One-way flights from Texas to IllinoisSearch for one-way flight options from Texas to Illinois. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
Search for one-way flight options from Texas to Illinois. Find affordable one-way fares based on user searches. Data last updated July 12, 2026.
This Super.com deal was found by Cheapflights users on 7/9. 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 8/61:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/9![Frontier logo]()
$41
This Frontier deal was found by Cheapflights users on 7/9. 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.
Mon 10/53:48 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/9![Frontier logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sat 8/81:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/11![Frontier logo]()
$50
This Frontier deal was found by Cheapflights users on 7/7. 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 8/41:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/7![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 9/93:55 pm
DFW
- STL
1 stop17h 45m
Frontier
Deal found 7/10![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 10/138:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/12![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 7/12. 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.
Mon 10/123:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/12![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sun 8/96:13 am
DFW
- STL
1 stop26h 44m
Frontier
Deal found 7/11![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:16 pm
DFW
- STL
1 stop25h 06m
Frontier
Deal found 7/9![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:16 pm
DFW
- STL
1 stop25h 21m
Frontier
Deal found 7/9![Frontier logo]()
$71
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:20 am
HOU
- MDW
Nonstop2h 30m
Southwest
Deal found 7/7![Southwest logo]()
$90
This Mytrip deal was found by Cheapflights users on 7/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 7/11![Frontier logo]()
$92
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 July 12, 2026.
Round-trip from | $128 (Kiwi.com) |
|---|---|
One-way from | $41 (Super.com) |
Popular in | May |
Cheapest in | January |
Average price | $271 |
Good round-trip deal | $211 or less |
Good one-way deal | $123 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 July 12, 2026.
Use the filters below to find and compare flights from Texas to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Tue 8/4
8:50 pm-11:10 pm
Nonstop2h 20m
Chicago Midway
Tue 8/11
4:40 pm-10:45 pm
1 stop6h 05m
$189
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Thu 8/6
6:45 am-11:46 am
1 stop5h 01m
Lambert-St Louis
Tue 8/11
12:52 pm-6:59 pm
1 stop6h 07m
$191
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Sat 8/22
10:25 am-2:15 pm
1 stop3h 50m
Chicago Midway
Tue 8/25
10:10 am-2:00 pm
1 stop3h 50m
$191
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Thu 8/6
8:10 am-2:33 pm
1 stop6h 23m
Lambert-St Louis
Mon 8/10
3:50 pm-10:31 pm
1 stop6h 41m
$191
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Wed 10/7
5:30 am-10:51 am
1 stop5h 21m
Lambert-St Louis
Mon 10/12
7:20 pm-12:04 am
1 stop4h 44m
$191
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Sat 8/22
3:00 pm-10:03 pm
1 stop7h 03m
Lambert-St Louis
Sat 8/29
1:04 pm-7:31 pm
1 stop6h 27m
$191
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Tue 8/4
6:00 am-11:51 am
1 stop5h 51m
Chicago Midway
Tue 8/11
5:10 pm-10:05 pm
1 stop4h 55m
$199
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 11/5
8:05 am-2:27 pm
1 stop6h 22m
Chicago O'Hare Intl
Tue 11/10
3:35 pm-9:10 pm
1 stop5h 35m
$199
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 9/22
11:26 am-4:14 pm
1 stop4h 48m
Chicago O'Hare Intl
Tue 9/29
6:25 pm-11:56 pm
1 stop5h 31m
$199
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 8/5
5:20 am-12:39 pm
1 stop7h 19m
Chicago Midway
Thu 8/13
10:54 am-3:42 pm
1 stop4h 48m
$199
Showing 1-10 of 60 resultsSorted by cheapest first
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.
HOU-MDW
DFW-STL
DAL-MDW
AUS-ORD
IAH-ORD
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
USTX-USIL
HOU-MDW
DFW-STL
DAL-MDW
AUS-ORD
What is the cheapest month to book a flight from Texas to Illinois?
Currently, October is the cheapest month in which you can book a flight from Texas to Illinois (average of $207). Flying from Texas to Illinois in June is currently the most expensive (average of $380). 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 July 12, 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 28% on your trip compared to booking a flight at noon.
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 July 12, 2026.
The most flights from USTX to USIL are scheduled on a Saturday (91 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (71 on average).
How much does it cost to fly round-trip from Texas to Illinois?
How far ahead should I book a flight from Texas to Illinois?
To ensure you get the cheapest price possible for a flight from Texas to Illinois, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 July 11, 2026.
Travelers seeking maximum savings on their Texas to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at noon 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 July 12, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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.
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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.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Texas to Illinois by cabin class
Find flights from Texas to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Texas and Illinois flights
Browse other Texas and Illinois flight options. Last updated on July 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Texas after your stay in Illinois
Texas to Illinois flights
Consider these flights traveling from Texas to Illinois.
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 July 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$143 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$383 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$162 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$173 | Average$246 | FlexibilityNo cancel fee | On-time62% |