$83+ Cheap flights from George Bush Intcntl (IAH) to Chicago (CHI)
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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — CHI
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Houston George Bush Intcntl to Chicago are usually found in September or February, booked 55 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from George Bush Intcntl to Chicago
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Cheapest flights from George Bush Intcntl to ChicagoExplore the most affordable flight options available from George Bush Intcntl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Tue 9/157:11 am
ORD
- IAH
1 stop8h 06m
Frontier
Deal found 7/29![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:32 pm
IAH
- ORD
1 stop15h 21m
Frontier
Mon 8/315:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/29![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Mon 8/311:59 pm
ORD
- IAH
1 stop17h 21m
Frontier
Deal found 7/29![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Wed 11/186:30 am
ORD
- IAH
1 stop8h 35m
Frontier
Deal found 7/31![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Sat 9/51:59 pm
ORD
- IAH
1 stop8h 15m
Frontier
Deal found 7/29![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/21:45 pm
IAH
- ORD
1 stop9h 23m
Frontier
Fri 9/117:11 am
ORD
- IAH
1 stop8h 06m
Frontier
Deal found 7/31![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 9/88:45 am
ORD
- IAH
Nonstop3h 11m
Frontier
Deal found 7/29![Frontier logo]()
$173
This Orbitz deal was found by Cheapflights users on 7/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:35 pm
IAH
- MDW
1 stop8h 23m
Frontier
Mon 10/1912:03 pm
MDW
- IAH
1 stop10h 03m
Frontier
Deal found 7/30![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 9/58:45 am
ORD
- IAH
Nonstop3h 11m
Frontier
Deal found 7/29![Frontier logo]()
$174
This Priceline deal was found by Cheapflights users on 7/30. 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.
Thu 9/39:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Wed 9/97:25 am
ORD
- IAH
Nonstop3h 05m
Frontier
Deal found 7/30![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Fri 9/45:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/29![Frontier logo]()
$176
This Super.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Sun 10/42:46 pm
ORD
- IAH
Nonstop3h 09m
Frontier
Deal found 7/31![Frontier logo]()
$177
Best flights from George Bush Intcntl to ChicagoDiscover carefully curated flight deals from George Bush Intcntl to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:15 pm
IAH
- ORD
1 stop5h 15m
Delta
Tue 9/85:10 pm
ORD
- IAH
1 stop4h 55m
Delta
Deal found 7/28![Delta logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/108:25 pm
IAH
- RFD
1 stop12h 27m
Multiple Airlines
Sun 9/139:29 pm
RFD
- IAH
1 stop8h 33m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:28 am
IAH
- ORD
1 stop7h 01m
Delta
Wed 9/210:33 am
ORD
- IAH
1 stop5h 09m
Delta
Deal found 7/29![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
IAH
- ORD
1 stop7h 48m
Delta
Mon 8/241:59 pm
ORD
- IAH
1 stop8h 20m
Delta
Deal found 7/28![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:44 am
IAH
- MDW
1 stop7h 35m
Delta
Tue 9/1510:48 am
MDW
- IAH
1 stop6h 44m
Delta
Deal found 7/29![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:28 am
IAH
- MDW
1 stop5h 31m
Delta
Sat 9/54:39 pm
MDW
- IAH
1 stop7h 13m
Delta
Deal found 7/27![Delta logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:25 pm
IAH
- RFD
1 stop12h 27m
Multiple Airlines
Sun 9/209:29 pm
RFD
- IAH
1 stop8h 33m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:10 am
IAH
- MDW
1 stop7h 00m
Delta
Wed 8/199:24 am
MDW
- IAH
1 stop4h 56m
Delta
Deal found 7/28![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:29 am
IAH
- ORD
2 stops7h 30m
Delta
Sat 10/318:05 am
ORD
- IAH
1 stop6h 54m
Delta
Deal found 7/29![Delta logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/245:20 am
IAH
- RFD
1 stop15h 19m
Multiple Airlines
Sun 9/279:29 pm
RFD
- IAH
1 stop8h 33m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:44 am
IAH
- ORD
2 stops10h 46m
Delta
Tue 9/298:05 am
ORD
- IAH
1 stop7h 49m
Delta
Deal found 7/28![Delta logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:09 pm
IAH
- RFD
2 stops22h 30m
Multiple Airlines
Sun 9/139:29 pm
RFD
- IAH
1 stop8h 33m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:28 am
IAH
- ORD
1 stop4h 49m
Delta
Sat 8/296:59 am
ORD
- IAH
2 stops8h 56m
Delta
Deal found 7/29![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 7/31. 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 9/25:09 pm
IAH
- MDW
1 stop5h 27m
Delta
Fri 9/115:03 pm
MDW
- IAH
1 stop5h 02m
Delta
Deal found 7/31![Delta logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/276:30 am
IAH
- RFD
2 stops14h 15m
Multiple Airlines
Sun 8/309:35 pm
RFD
- IAH
1 stop15h 23m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 7/31. 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 9/55:09 pm
IAH
- MDW
1 stop5h 27m
Delta
Thu 9/1011:35 am
MDW
- IAH
1 stop5h 59m
Delta
Deal found 7/31![Delta logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/206:30 am
IAH
- RFD
2 stops14h 15m
Multiple Airlines
Sun 8/239:35 pm
RFD
- IAH
1 stop15h 23m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 7/31. 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 9/146:49 pm
IAH
- ORD
1 stop5h 10m
Delta
Wed 9/1611:17 am
ORD
- IAH
2 stops9h 57m
Delta
Deal found 7/31![Delta logo]()
$260
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/281:15 pm
IAH
- ORD
1 stop5h 17m
Delta
Thu 12/319:30 am
ORD
- IAH
2 stops12h 34m
Delta
Deal found 7/27![Delta logo]()
$274
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 9/1811:26 am
IAH
- ORD
1 stop7h 00m
Delta
Tue 9/228:55 am
ORD
- IAH
2 stops8h 37m
Delta
Deal found 7/31![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 7/30. 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.
Sun 10/185:10 am
IAH
- ORD
1 stop7h 49m
Delta
Wed 10/211:55 pm
ORD
- IAH
2 stops10h 00m
Delta
Deal found 7/30![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am
IAH
- MDW
2 stops11h 00m
Delta
Sun 10/251:27 pm
MDW
- IAH
1 stop4h 54m
Delta
Deal found 7/28![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/30. 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.
Sun 10/185:10 am
IAH
- MDW
1 stop7h 37m
Delta
Wed 10/211:27 pm
MDW
- IAH
2 stops8h 35m
Delta
Deal found 7/30![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:20 am
IAH
- MDW
2 stops12h 41m
Delta
Tue 9/89:29 am
MDW
- IAH
1 stop4h 55m
Delta
Deal found 7/27![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:37 pm
IAH
- MDW
1 stop5h 59m
Delta
Mon 8/319:24 am
MDW
- IAH
2 stops10h 44m
Delta
Deal found 7/28![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:37 pm
IAH
- MDW
1 stop5h 59m
Delta
Fri 9/41:25 pm
MDW
- IAH
2 stops9h 15m
Delta
Deal found 7/29![Delta logo]()
$316
Last-minute flights from George Bush Intcntl to ChicagoDiscover last-minute flight deals from George Bush Intcntl to Chicago. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Chicago. Data last updated August 1, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/31. 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 8/1812:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Tue 8/258:45 am
ORD
- IAH
Nonstop3h 11m
Frontier
Deal found 7/31![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 7/30. 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.
Tue 8/1812:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Thu 8/205:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/30![Frontier logo]()
$178
This Super.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Fri 8/215:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/28![Frontier logo]()
$175
This Frontier deal was found by Cheapflights users on 8/1. 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 8/209:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Thu 8/271:59 pm
ORD
- IAH
1 stop8h 15m
Frontier
Deal found 8/1![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:45 pm
IAH
- ORD
1 stop9h 23m
Frontier
Mon 9/142:46 pm
ORD
- IAH
Nonstop3h 09m
Frontier
Deal found 7/29![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Mon 8/311:59 pm
ORD
- IAH
1 stop17h 21m
Frontier
Deal found 7/29![Frontier logo]()
$169
This Super.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Tue 9/88:45 am
ORD
- IAH
Nonstop3h 11m
Frontier
Deal found 7/28![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Fri 9/45:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/29![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 7/31. 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 8/289:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Mon 8/311:59 pm
ORD
- IAH
1 stop8h 15m
Frontier
Deal found 7/31![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:32 am
IAH
- MDW
1 stop11h 15m
Frontier
Mon 8/3111:50 am
MDW
- IAH
1 stop10h 24m
Frontier
Deal found 7/29![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:32 pm
IAH
- ORD
1 stop15h 21m
Frontier
Mon 8/315:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 7/29![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:53 pm
IAH
- ORD
Nonstop3h 06m
Frontier
Sat 9/51:59 pm
ORD
- IAH
1 stop8h 15m
Frontier
Deal found 7/29![Frontier logo]()
$171
One-way flights from George Bush Intcntl to ChicagoSearch for one-way flight options from George Bush Intcntl to Chicago. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from George Bush Intcntl to Chicago. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Super.com deal was found by Cheapflights users on 7/31. 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 10/158:44 pm
IAH
- ORD
1 stop11h 31m
Frontier
Deal found 7/31![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:04 pm
IAH
- ORD
1 stop12h 16m
Frontier
Deal found 7/29![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 7/30. 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 9/296:28 am
IAH
- MDW
1 stop11h 18m
Frontier
Deal found 7/30![Frontier logo]()
$84
This Booking.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:08 am
IAH
- MDW
1 stop11h 43m
Frontier
Deal found 7/31![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 7/31. 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.
Wed 10/141:35 pm
IAH
- MDW
1 stop8h 23m
Frontier
Deal found 7/31![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 7/30. 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 10/296:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Deal found 7/30![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:25 am
IAH
- RFD
1 stop24h 53m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$88
This CheapOair deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:19 pm
IAH
- ORD
1 stop27h 46m
Frontier
Deal found 8/1![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:35 am
IAH
- ORD
1 stop28h 15m
Frontier
Deal found 7/27![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:35 pm
IAH
- ORD
1 stop6h 09m
Frontier
Deal found 7/29![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:15 pm
IAH
- ORD
1 stop23h 20m
Frontier
Deal found 7/27![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
IAH
- ORD
1 stop14h 08m
Frontier
Deal found 7/29![Frontier logo]()
$100
Find flight deals from George Bush Intcntl to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Kiwi.com) |
One-way from | $83 (Super.com) |
Popular in | April |
Cheapest in | September |
Average price | $217 |
Good round-trip deal | $279 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Chicago 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 August 1, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 9/5
3:15 pm-8:30 pm
1 stop5h 15m
Chicago O'Hare Intl
Tue 9/8
5:10 pm-10:05 pm
1 stop4h 55m
$229
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 8/27
11:28 am-6:29 pm
1 stop7h 01m
Chicago O'Hare Intl
Wed 9/2
10:33 am-3:42 pm
1 stop5h 09m
$229
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Sat 8/22
7:00 am-2:48 pm
1 stop7h 48m
Chicago O'Hare Intl
Mon 8/24
1:59 pm-10:19 pm
1 stop8h 20m
$229
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 9/9
10:44 am-6:19 pm
1 stop7h 35m
Chicago Midway
Tue 9/15
10:48 am-5:32 pm
1 stop6h 44m
$229
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Tue 9/1
11:28 am-4:59 pm
1 stop5h 31m
Chicago Midway
Sat 9/5
4:39 pm-11:52 pm
1 stop7h 13m
$229
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Tue 8/18
6:10 am-1:10 pm
1 stop7h 00m
Chicago Midway
Wed 8/19
9:24 am-2:20 pm
1 stop4h 56m
$229
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 10/28
5:29 am-12:59 pm
2 stops7h 30m
Chicago O'Hare Intl
Sat 10/31
8:05 am-2:59 pm
1 stop6h 54m
$234
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 9/22
9:44 am-8:30 pm
2 stops10h 46m
Chicago O'Hare Intl
Tue 9/29
8:05 am-3:54 pm
1 stop7h 49m
$234
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/26
11:28 am-4:17 pm
1 stop4h 49m
Chicago O'Hare Intl
Sat 8/29
6:59 am-3:55 pm
2 stops8h 56m
$234
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 9/2
5:09 pm-10:36 pm
1 stop5h 27m
Chicago Midway
Fri 9/11
5:03 pm-10:05 pm
1 stop5h 02m
$242
Showing 1-10 of 56 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Chicago in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from George Bush Intcntl with our price prediction graph.
IAH-CHI
IAH-RFD
IAH-ORD
IAH-MDW
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 Houston George Bush Intcntl Airport to Chicago
IAH-CHI
IAH-RFD
IAH-ORD
IAH-MDW
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Chicago?
Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago (average of $179). Flying from Houston George Bush Intcntl Airport to Chicago 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 IAH to CHI?
Find hourly flight availability from George Bush Intcntl to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.
When flying from Houston George Bush Intcntl Airport to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight at noon.
Weekly flight availability from Houston George Bush Intcntl Airport to Chicago
Explore weekly flight availability from George Bush Intcntl to Chicago. 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 August 1, 2026.
The most flights from IAH to CHI are scheduled on a Friday (74 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (33 on average).
How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Chicago?
Airfare is typical for this route at the moment.
Houston George Bush Intcntl Airport to Chicago flights typically cost between $140 and $289 in September.The cheapest round-trip price found within the last 5 days was $167 on Frontier (Sep 5-Sep 15).
How often are flights from Houston to Chicago delayed?
About 13% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 152 minutes.
What is the most punctual flight time for Houston to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Houston to Chicago flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Chicago?
To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Chicago, 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 Houston George Bush Intcntl Airport to Chicago?
Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Chicago. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Chicago flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Houston George Bush Intcntl Airport to Chicago flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Chicago trip
Our travel experts
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated August 1, 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Chicago, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
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George Bush Intcntl and Chicago flights
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Top 4 airlines flying from George Bush Intcntl to Chicago
Discover the top 4 airlines that operate flights from George Bush Intcntl to Chicago. 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$171 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$298 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$192 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$327 | FlexibilityNo cancel fee | On-timeN/A |