$52+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ORD
Aug 26 — Sep 21
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 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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
Mon 9/146:41 pm
STL
- DFW
Nonstop2h 05m
Frontier
Deal found 7/21![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/131:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/174:57 pm
STL
- DFW
1 stop23h 03m
Frontier
Deal found 7/23![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2010:00 am
DFW
- STL
1 stop7h 22m
Frontier
Mon 8/246:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/22![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 7/22. 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
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 11/123:58 pm
DFW
- STL
Nonstop1h 56m
Frontier
Sat 11/1410:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/25![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/2710:00 am
DFW
- STL
1 stop7h 22m
Frontier
Fri 8/286:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/24![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/25. 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
Wed 9/92:29 pm
STL
- DFW
1 stop16h 31m
Frontier
Deal found 7/25![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 11/123:58 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 11/1610:35 am
STL
- DFW
1 stop9h 15m
Frontier
Deal found 7/25![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 7/22. 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
Thu 8/63:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 7/22. 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 8/138:02 pm
IAH
- ORD
1 stop12h 00m
Frontier
Tue 8/188:45 am
ORD
- IAH
Nonstop3h 11m
Frontier
Deal found 7/22![Frontier logo]()
$171
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 27, 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 27, 2026.
This Southwest deal was found by Cheapflights users on 7/24. 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 9/168:50 pm
HOU
- MDW
Nonstop2h 25m
Southwest
Sat 9/1910:25 am
MDW
- HOU
Nonstop2h 30m
Southwest
Deal found 7/24![Southwest logo]()
$183
This Delta deal was found by Cheapflights users on 7/23. 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 8/205:20 pm
HOU
- ORD
1 stop6h 37m
Delta
Sat 8/223:25 pm
ORD
- HOU
1 stop5h 58m
Delta
Deal found 7/23![Delta logo]()
$203
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/1810:25 am
DFW
- STL
1 stop5h 13m
United Airlines
Sat 8/228:00 am
STL
- DFW
1 stop5h 10m
United Airlines
Deal found 7/25![United Airlines logo]()
$217
This Contour deal was found by Cheapflights users on 7/22. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:45 pm
DFW
- ORD
1 stop16h 50m
Contour
Mon 10/122:55 pm
ORD
- DFW
1 stop4h 20m
Contour
Deal found 7/22![Contour logo]()
$354
This Southwest deal was found by Cheapflights users on 7/22. 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 8/275:00 am
HOU
- MDW
Nonstop2h 25m
Southwest
Mon 8/311:05 pm
MDW
- HOU
1 stop5h 20m
Southwest
Deal found 7/22![Southwest logo]()
$189
This Delta deal was found by Cheapflights users on 7/22. 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 9/222:44 pm
IAH
- ORD
1 stop6h 12m
Delta
Tue 9/295:30 am
ORD
- IAH
1 stop8h 00m
Delta
Deal found 7/22![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 7/24. 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 9/88:30 am
HOU
- MDW
1 stop5h 00m
Southwest
Sat 9/121:45 pm
MDW
- HOU
Nonstop2h 30m
Southwest
Deal found 7/24![Southwest logo]()
$193
This Delta deal was found by Cheapflights users on 7/22. 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 9/2610:44 am
IAH
- MDW
1 stop7h 15m
Delta
Wed 9/3010:48 am
MDW
- IAH
1 stop5h 06m
Delta
Deal found 7/22![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 7/23. 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 9/112:20 pm
HOU
- MDW
Nonstop2h 20m
Southwest
Tue 9/155:15 pm
MDW
- HOU
Nonstop2h 35m
Southwest
Deal found 7/23![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 7/23. 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 8/225:20 pm
HOU
- ORD
1 stop6h 37m
Delta
Tue 8/2511:22 am
ORD
- HOU
2 stops10h 43m
Delta
Deal found 7/23![Delta logo]()
$208
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 10/129:45 pm
IAH
- ORD
Nonstop2h 38m
United Airlines
Wed 10/145:30 am
ORD
- IAH
Nonstop2h 49m
United Airlines
Deal found 7/24![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 7/22. 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.
Mon 8/172:40 pm
HOU
- MDW
1 stop5h 05m
Southwest
Wed 8/267:40 am
MDW
- HOU
2 stops6h 05m
Southwest
Deal found 7/22![Southwest logo]()
$208
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 8/175:20 pm
HOU
- ORD
1 stop6h 37m
Delta
Wed 8/268:48 am
ORD
- HOU
2 stops7h 37m
Delta
Deal found 7/22![Delta logo]()
$212
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 8/313:33 pm
AUS
- ORD
Nonstop2h 57m
United Airlines
Thu 9/31:30 pm
ORD
- AUS
Nonstop2h 54m
United Airlines
Deal found 7/22![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 7/25. 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 9/105:00 am
HOU
- MDW
Nonstop2h 25m
Southwest
Mon 9/145:25 am
MDW
- HOU
Nonstop2h 25m
Southwest
Deal found 7/25![Southwest logo]()
$209
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 8/246:36 pm
IAH
- ORD
1 stop5h 21m
Delta
Tue 9/16:59 am
ORD
- IAH
1 stop7h 21m
Delta
Deal found 7/24![Delta logo]()
$213
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/184:10 pm
AUS
- ORD
1 stop5h 22m
United Airlines
Wed 8/268:10 pm
ORD
- AUS
Nonstop2h 55m
United Airlines
Deal found 7/24![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 9/2110:44 am
IAH
- MDW
1 stop7h 35m
Delta
Mon 9/286:05 am
MDW
- IAH
1 stop7h 25m
Delta
Deal found 7/24![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:45 pm
HOU
- MDW
2 stops5h 35m
Southwest
Sat 9/126:05 pm
MDW
- HOU
Nonstop2h 40m
Southwest
Deal found 7/26![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 7/24. 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 9/811:01 am
HOU
- ORD
1 stop7h 40m
Delta
Sat 9/125:00 pm
ORD
- HOU
1 stop5h 39m
Delta
Deal found 7/24![Delta logo]()
$213
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:12 pm
AUS
- ORD
Nonstop2h 56m
United Airlines
Sun 11/88:40 am
ORD
- AUS
Nonstop3h 01m
United Airlines
Deal found 7/26![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 7/23. 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 8/225:20 am
IAH
- ORD
2 stops11h 31m
Delta
Sat 8/296:59 am
ORD
- IAH
2 stops8h 56m
Delta
Deal found 7/23![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:34 am
AUS
- ORD
Nonstop2h 55m
United Airlines
Fri 9/257:30 am
ORD
- AUS
1 stop5h 48m
United Airlines
Deal found 7/26![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 7/24. 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 8/206:36 pm
IAH
- ORD
1 stop5h 21m
Delta
Sat 8/222:30 pm
ORD
- IAH
2 stops9h 22m
Delta
Deal found 7/24![Delta logo]()
$218
This Southwest deal was found by Cheapflights users on 7/23. 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 9/36:05 am
HOU
- MDW
1 stop4h 00m
Southwest
Tue 9/88:25 pm
MDW
- HOU
Nonstop2h 30m
Southwest
Deal found 7/23![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 7/25. 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 12/295:30 pm
AUS
- ORD
Nonstop2h 55m
United Airlines
Sun 1/37:41 am
ORD
- AUS
1 stop5h 29m
United Airlines
Deal found 7/25![United Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:11 pm
DFW
- STL
1 stop5h 49m
United Airlines
Tue 9/18:00 am
STL
- DFW
2 stops9h 51m
United Airlines
Deal found 7/26![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 7/22. 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 8/1810:05 am
DFW
- STL
1 stop6h 12m
Delta
Tue 8/2511:00 am
STL
- DFW
1 stop4h 50m
Delta
Deal found 7/22![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 7/25. 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 9/36:05 am
HOU
- MDW
1 stop4h 00m
Southwest
Sat 9/510:05 am
MDW
- HOU
2 stops6h 50m
Southwest
Deal found 7/25![Southwest logo]()
$284
This Delta deal was found by Cheapflights users on 7/24. 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 8/2510:05 am
DFW
- STL
1 stop6h 12m
Delta
Tue 9/15:23 pm
STL
- DFW
1 stop6h 36m
Delta
Deal found 7/24![Delta logo]()
$227
Last-minute flights from Texas to IllinoisDiscover last-minute flight deals from Texas to Illinois. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Texas to Illinois. Data last updated July 27, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/22. 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
Tue 8/113:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 7/22. 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
Sat 8/83:41 pm
STL
- DFW
Nonstop2h 02m
Frontier
Deal found 7/22![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/22. 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
Tue 8/116:34 pm
STL
- DFW
1 stop21h 33m
Frontier
Deal found 7/22![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 7/23. 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.
Wed 8/129:42 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sun 8/165:30 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/23![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/131:00 pm
DFW
- STL
Nonstop1h 56m
Frontier
Mon 8/174:57 pm
STL
- DFW
1 stop23h 03m
Frontier
Deal found 7/23![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 7/22. 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 8/138:02 pm
IAH
- ORD
1 stop12h 00m
Frontier
Tue 8/188:45 am
ORD
- IAH
Nonstop3h 11m
Frontier
Deal found 7/22![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 7/23. 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 8/139:42 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Fri 8/215:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/23![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/2010:00 am
DFW
- STL
1 stop7h 22m
Frontier
Mon 8/246:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/22![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:17 am
DFW
- STL
1 stop11h 05m
Frontier
Sun 8/306:17 pm
STL
- DFW
1 stop17h 59m
Frontier
Deal found 7/26![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/2710:00 am
DFW
- STL
1 stop7h 22m
Frontier
Fri 8/286:17 pm
STL
- DFW
1 stop21h 43m
Frontier
Deal found 7/24![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/2810:00 am
DFW
- STL
1 stop7h 22m
Frontier
Sun 8/306:17 pm
STL
- DFW
1 stop17h 59m
Frontier
Deal found 7/23![Frontier logo]()
$141
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 27, 2026.
Search for one-way flight options from Texas to Illinois. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/208:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/22![Frontier logo]()
$52
This Frontier deal was found by Cheapflights users on 7/26. 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 9/247:40 am
DFW
- STL
Nonstop1h 55m
Frontier
Deal found 7/26![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/124:16 pm
DFW
- STL
1 stop25h 21m
Frontier
Deal found 7/22![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/228:55 pm
DFW
- STL
1 stop12h 45m
Frontier
Deal found 7/23![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/213:59 pm
DFW
- STL
1 stop17h 41m
Frontier
Deal found 7/22![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:05 am
DFW
- STL
1 stop25h 35m
Frontier
Deal found 7/26![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 7/24![Frontier logo]()
$63
This Frontier deal was found by Cheapflights users on 7/22. 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 10/193:50 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/22![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/204:16 pm
DFW
- STL
1 stop25h 06m
Frontier
Deal found 7/22![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/236:17 am
DFW
- STL
1 stop11h 05m
Frontier
Deal found 7/22![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 7/22. 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.
Sun 9/203:48 pm
DFW
- STL
Nonstop1h 56m
Frontier
Deal found 7/22![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/243:59 pm
DFW
- STL
1 stop17h 41m
Frontier
Deal found 7/25![Frontier logo]()
$70
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 27, 2026.
Round-trip from | $121 (Kiwi.com) |
|---|---|
One-way from | $52 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $302 |
Good round-trip deal | $221 or less |
Good one-way deal | $110 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 27, 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
Wed 9/16
8:50 pm-11:15 pm
Nonstop2h 25m
Chicago Midway
Sat 9/19
10:25 am-12:55 pm
Nonstop2h 30m
$183
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Thu 8/27
5:00 am-7:25 am
Nonstop2h 25m
Chicago Midway
Mon 8/31
1:05 pm-6:25 pm
1 stop5h 20m
$189
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Tue 9/8
8:30 am-1:30 pm
1 stop5h 00m
Chicago Midway
Sat 9/12
1:45 pm-4:15 pm
Nonstop2h 30m
$193
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Fri 9/11
2:20 pm-4:40 pm
Nonstop2h 20m
Chicago Midway
Tue 9/15
5:15 pm-7:50 pm
Nonstop2h 35m
$201
HoustonChicago
HOU - ORD
HOUORD
Houston Hobby
Thu 8/20
5:20 pm-11:57 pm
1 stop6h 37m
Chicago O'Hare Intl
Sat 8/22
3:25 pm-9:23 pm
1 stop5h 58m
$203
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 9/22
2:44 pm-8:56 pm
1 stop6h 12m
Chicago O'Hare Intl
Tue 9/29
5:30 am-1:30 pm
1 stop8h 00m
$207
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Sat 9/26
10:44 am-5:59 pm
1 stop7h 15m
Chicago Midway
Wed 9/30
10:48 am-3:54 pm
1 stop5h 06m
$207
HoustonChicago
HOU - ORD
HOUORD
Houston Hobby
Sat 8/22
5:20 pm-11:57 pm
1 stop6h 37m
Chicago O'Hare Intl
Tue 8/25
11:22 am-10:05 pm
2 stops10h 43m
$208
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Mon 8/17
2:40 pm-7:45 pm
1 stop5h 05m
Chicago Midway
Wed 8/26
7:40 am-1:45 pm
2 stops6h 05m
$208
Quickest round-trip
HoustonChicago
HOU - MDW
HOUMDW
Houston Hobby
Thu 9/10
5:00 am-7:25 am
Nonstop2h 25m
Chicago Midway
Mon 9/14
5:25 am-7:50 am
Nonstop2h 25m
$209
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
HOU-ORD
DFW-STL
DFW-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
HOU-ORD
DFW-STL
DFW-ORD
What is the cheapest month to book a flight from Texas to Illinois?
Currently, January is the cheapest month in which you can book a flight from Texas to Illinois (average of $223). Flying from Texas to Illinois in June is currently the most expensive (average of $365). 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 27, 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 26% 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 27, 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?
Airfare is typical for this route at the moment.
Texas to Illinois flights typically cost between $179 and $330 in November.The cheapest round-trip price found within the last 5 days was $188 on Frontier (Nov 2-Nov 6).
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 25, 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. Sunday 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 July 27, 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.
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
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
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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 27, 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$214 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$105 | Average$209 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$162 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$418 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$173 | Average$246 | FlexibilityNo cancel fee | On-time62% |