$59+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — CHI
Jun 24 — Jul 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 October, booked 61 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from George Bush Intcntl to Chicago
Cheapest
Best
Last-minute
One-way
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 May 25, 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 May 25, 2026.
This Frontier deal was found by Cheapflights users on 5/20. 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 10/16:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Sun 10/42:46 pm
ORD
- IAH
Nonstop3h 01m
Frontier
Deal found 5/20![Frontier logo]()
$117
This Frontier deal was found by Cheapflights users on 5/22. 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 7/289:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Thu 8/65:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/22![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 5/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 8/45:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/24![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 5/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Wed 8/125:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/24![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 9/156:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Sat 9/192:46 pm
ORD
- IAH
Nonstop3h 01m
Frontier
Deal found 5/23![Frontier logo]()
$121
This Trip.com deal was found by Cheapflights users on 5/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:52 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Sat 9/55:29 pm
ORD
- IAH
Nonstop3h 28m
Frontier
Deal found 5/23![Frontier logo]()
$122
This Trip.com deal was found by Cheapflights users on 5/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 7/145:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/22![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 7/219:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Sat 8/85:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/23![Frontier logo]()
$126
This Priceline deal was found by Cheapflights users on 5/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:42 pm
IAH
- ORD
Nonstop2h 52m
Frontier
Sat 9/192:46 pm
ORD
- IAH
Nonstop3h 01m
Frontier
Deal found 5/23![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Wed 7/229:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Wed 7/295:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/24![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 5/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Tue 8/115:46 pm
ORD
- IAH
Nonstop3h 17m
Frontier
Deal found 5/24![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 5/23. 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.
Mon 8/179:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Thu 8/205:29 pm
ORD
- IAH
Nonstop3h 28m
Frontier
Deal found 5/23![Frontier logo]()
$133
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 May 25, 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 May 25, 2026.
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:52 pm
IAH
- ORD
1 stop7h 06m
Delta
Tue 8/186:51 am
ORD
- IAH
1 stop7h 29m
Delta
Deal found 5/21![Delta logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Thu 6/1110:08 pm
IAH
- RFD
2 stops22h 12m
Multiple Airlines
Mon 6/157:53 pm
RFD
- IAH
1 stop22h 36m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 9/169:45 am
IAH
- MDW
2 stops8h 48m
Delta
Sat 9/199:30 am
MDW
- IAH
2 stops9h 51m
Delta
Deal found 5/23![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:23 am
IAH
- MDW
1 stop7h 10m
Delta
Sat 8/291:27 pm
MDW
- IAH
2 stops10h 25m
Delta
Deal found 5/21![Delta logo]()
$244
This Delta deal was found by Cheapflights users on 5/23. 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 9/109:40 am
IAH
- MDW
2 stops8h 25m
Delta
Mon 9/145:10 pm
MDW
- IAH
1 stop6h 39m
Delta
Deal found 5/23![Delta logo]()
$244
This Delta deal was found by Cheapflights users on 5/22. 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 7/145:30 am
IAH
- ORD
1 stop5h 07m
Delta
Thu 7/165:30 am
ORD
- IAH
1 stop8h 03m
Delta
Deal found 5/22![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 5/20. 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 8/1311:23 am
IAH
- ORD
2 stops10h 24m
Delta
Mon 8/171:41 pm
ORD
- IAH
2 stops10h 11m
Delta
Deal found 5/20![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 6/179:42 am
IAH
- MDW
1 stop6h 34m
Delta
Wed 6/249:17 am
MDW
- IAH
2 stops8h 26m
Delta
Deal found 5/24![Delta logo]()
$249
This Delta deal was found by Cheapflights users on 5/24. 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.
Wed 7/12:43 pm
IAH
- MDW
1 stop7h 34m
Delta
Tue 7/71:49 pm
MDW
- IAH
2 stops8h 35m
Delta
Deal found 5/24![Delta logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/410:05 pm
IAH
- RFD
2 stops35h 12m
Multiple Airlines
Mon 6/87:53 pm
RFD
- IAH
1 stop12h 54m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 5/23. 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 5/282:20 pm
IAH
- ORD
1 stop7h 33m
Delta
Tue 6/235:22 pm
ORD
- IAH
1 stop5h 02m
Delta
Deal found 5/23![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 5/24. 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.
Sat 7/118:05 am
IAH
- MDW
1 stop7h 32m
Delta
Tue 7/149:19 am
MDW
- IAH
2 stops8h 20m
Delta
Deal found 5/24![Delta logo]()
$259
This Delta deal was found by Cheapflights users on 5/20. 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 7/106:37 pm
IAH
- ORD
1 stop5h 16m
Delta
Tue 7/145:18 pm
ORD
- IAH
1 stop5h 06m
Delta
Deal found 5/20![Delta logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/39:00 pm
IAH
- RFD
1 stop15h 23m
Multiple Airlines
Mon 6/87:53 pm
RFD
- IAH
1 stop12h 54m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$602
This Delta deal was found by Cheapflights users on 5/22. 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 6/307:02 am
IAH
- ORD
1 stop7h 14m
Delta
Sat 7/41:55 pm
ORD
- IAH
2 stops10h 01m
Delta
Deal found 5/22![Delta logo]()
$266
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 7/244:51 pm
IAH
- MDW
1 stop5h 24m
Delta
Tue 7/281:18 pm
MDW
- IAH
2 stops8h 17m
Delta
Deal found 5/24![Delta logo]()
$269
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:20 am
IAH
- MDW
1 stop7h 19m
Delta
Mon 8/319:30 am
MDW
- IAH
1 stop5h 09m
Delta
Deal found 5/21![Delta logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/39:00 pm
IAH
- RFD
1 stop15h 23m
Multiple Airlines
Fri 6/57:53 pm
RFD
- IAH
1 stop12h 57m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 5/22. 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.
Thu 9/245:25 am
IAH
- MDW
1 stop7h 05m
Delta
Sun 9/276:00 am
MDW
- IAH
1 stop6h 07m
Delta
Deal found 5/22![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:30 am
IAH
- ORD
1 stop4h 58m
Delta
Mon 8/35:28 am
ORD
- IAH
1 stop7h 59m
Delta
Deal found 5/21![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 5/22. 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 7/45:20 am
IAH
- MDW
2 stops10h 20m
Delta
Sat 7/114:22 pm
MDW
- IAH
1 stop5h 10m
Delta
Deal found 5/22![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:51 pm
IAH
- MDW
1 stop5h 24m
Delta
Fri 8/71:27 pm
MDW
- IAH
1 stop5h 05m
Delta
Deal found 5/21![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 5/22. 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.
Thu 5/283:25 pm
IAH
- ORD
1 stop4h 49m
Delta
Tue 6/211:09 am
ORD
- IAH
1 stop7h 18m
Delta
Deal found 5/22![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/22. 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.
Fri 7/174:51 pm
IAH
- MDW
1 stop5h 24m
Delta
Mon 7/206:00 am
MDW
- IAH
1 stop7h 33m
Delta
Deal found 5/22![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:51 pm
IAH
- ORD
1 stop7h 02m
Delta
Sat 7/1812:46 pm
ORD
- IAH
2 stops9h 38m
Delta
Deal found 5/21![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 8/1410:53 am
IAH
- ORD
2 stops9h 34m
Delta
Sun 8/161:44 pm
ORD
- IAH
2 stops10h 08m
Delta
Deal found 5/24![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 5/24. 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 6/12:45 pm
IAH
- ORD
2 stops9h 14m
Delta
Tue 6/302:07 pm
ORD
- IAH
2 stops9h 49m
Delta
Deal found 5/24![Delta logo]()
$362
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:42 am
IAH
- ORD
2 stops10h 49m
Delta
Mon 7/132:07 pm
ORD
- IAH
2 stops9h 52m
Delta
Deal found 5/21![Delta logo]()
$366
Last-minute flights from George Bush Intcntl to ChicagoDiscover last-minute flight deals from George Bush Intcntl to Chicago. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Chicago. Data last updated May 25, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Tue 6/24:05 pm
ORD
- IAH
Nonstop3h 12m
Frontier
Deal found 5/20![Frontier logo]()
$188
This Frontier deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Wed 6/34:05 pm
ORD
- IAH
Nonstop3h 12m
Frontier
Deal found 5/20![Frontier logo]()
$198
This Super.com deal was found by Cheapflights users on 5/20. 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.
Sat 5/308:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Mon 6/14:05 pm
ORD
- IAH
Nonstop3h 12m
Frontier
Deal found 5/20![Frontier logo]()
$215
This Frontier deal was found by Cheapflights users on 5/20. 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 6/38:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Tue 6/95:29 pm
ORD
- IAH
Nonstop3h 23m
Frontier
Deal found 5/20![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/38:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Sat 6/64:05 pm
ORD
- IAH
Nonstop3h 12m
Frontier
Deal found 5/20![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/38:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Wed 6/106:55 am
ORD
- IAH
1 stop24h 28m
Frontier
Deal found 5/20![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 5/20. 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 6/38:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Fri 6/125:29 pm
ORD
- IAH
Nonstop3h 23m
Frontier
Deal found 5/20![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 5/20. 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 6/38:12 pm
IAH
- ORD
Nonstop2h 49m
Frontier
Thu 6/111:29 pm
ORD
- IAH
1 stop9h 19m
Frontier
Deal found 5/20![Frontier logo]()
$223
This Delta deal was found by Cheapflights users on 5/20. 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 6/165:20 am
IAH
- MDW
1 stop7h 26m
Delta
Tue 6/231:49 pm
MDW
- IAH
1 stop7h 48m
Delta
Deal found 5/20![Delta logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/198:55 pm
IAH
- MDW
1 stop25h 16m
Frontier
Mon 7/66:05 am
MDW
- IAH
1 stop25h 15m
Frontier
Deal found 5/20![Frontier logo]()
$236
This Delta deal was found by Cheapflights users on 5/24. 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 6/236:30 am
IAH
- MDW
1 stop6h 39m
Delta
Tue 6/301:26 pm
MDW
- IAH
2 stops10h 30m
Delta
Deal found 5/24![Delta logo]()
$214
This Frontier deal was found by Cheapflights users on 5/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:12 am
IAH
- MDW
1 stop10h 59m
Frontier
Tue 6/3012:27 pm
MDW
- IAH
1 stop10h 21m
Frontier
Deal found 5/24![Frontier logo]()
$230
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 May 25, 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 May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Wed 7/89:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 5/21![Frontier logo]()
$59
This Super.com deal was found by Cheapflights users on 5/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 5/24![Frontier logo]()
$60
This Frontier deal was found by Cheapflights users on 5/22. 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 7/79:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 5/22![Frontier logo]()
$61
This Super.com deal was found by Cheapflights users on 5/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 5/24![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 5/20. 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 7/309:58 pm
IAH
- ORD
Nonstop2h 51m
Frontier
Deal found 5/20![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/299:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 5/20![Frontier logo]()
$74
This CheapOair deal was found by Cheapflights users on 5/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:52 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 5/24![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 5/20. 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 7/39:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 5/20![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/139:58 pm
IAH
- ORD
Nonstop2h 50m
Frontier
Deal found 5/20![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 6/128:55 pm
IAH
- MDW
1 stop14h 09m
Frontier
Deal found 5/20![Frontier logo]()
$99
This Delta deal was found by Cheapflights users on 5/22. 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 6/166:30 am
IAH
- MDW
2 stops12h 01m
Delta
Deal found 5/22![Delta logo]()
$104
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:34 am
IAH
- MDW
2 stops7h 05m
Delta
Deal found 5/21![Delta logo]()
$110
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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Frontier) |
One-way from | $59 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $298 |
Good round-trip deal | $277 or less |
Good one-way deal | $159 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 May 25, 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
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Wed 8/12
4:52 pm-11:58 pm
1 stop7h 06m
Chicago O'Hare Intl
Tue 8/18
6:51 am-2:20 pm
1 stop7h 29m
$209
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 9/16
9:45 am-6:33 pm
2 stops8h 48m
Chicago Midway
Sat 9/19
9:30 am-7:21 pm
2 stops9h 51m
$234
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Thu 8/27
11:23 am-6:33 pm
1 stop7h 10m
Chicago Midway
Sat 8/29
1:27 pm-11:52 pm
2 stops10h 25m
$244
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Thu 9/10
9:40 am-6:05 pm
2 stops8h 25m
Chicago Midway
Mon 9/14
5:10 pm-11:49 pm
1 stop6h 39m
$244
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Tue 7/14
5:30 am-10:37 am
1 stop5h 07m
Chicago O'Hare Intl
Thu 7/16
5:30 am-1:33 pm
1 stop8h 03m
$248
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 8/13
11:23 am-9:47 pm
2 stops10h 24m
Chicago O'Hare Intl
Mon 8/17
1:41 pm-11:52 pm
2 stops10h 11m
$249
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 6/17
9:42 am-4:16 pm
1 stop6h 34m
Chicago Midway
Wed 6/24
9:17 am-5:43 pm
2 stops8h 26m
$249
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Wed 7/1
2:43 pm-10:17 pm
1 stop7h 34m
Chicago Midway
Tue 7/7
1:49 pm-10:24 pm
2 stops8h 35m
$249
HoustonChicago
IAH - ORD
IAHORD
Houston George Bush Intcntl
Thu 5/28
2:20 pm-9:53 pm
1 stop7h 33m
Chicago O'Hare Intl
Tue 6/23
5:22 pm-10:24 pm
1 stop5h 02m
$255
HoustonChicago
IAH - MDW
IAHMDW
Houston George Bush Intcntl
Sat 7/11
8:05 am-3:37 pm
1 stop7h 32m
Chicago Midway
Tue 7/14
9:19 am-5:39 pm
2 stops8h 20m
$259
Showing 1-10 of 58 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 May.
| 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 Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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-ORD
IAH-MDW
IAH-RFD
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-ORD
IAH-MDW
IAH-RFD
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Chicago?
Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago (average of $38). Flying from Houston George Bush Intcntl Airport to Chicago in May is currently the most expensive (average of $713). 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 May 25, 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 May 25, 2026.
The most flights from IAH to CHI are scheduled on a Sunday (74 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (55 on average).
How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Chicago?
How often are flights from Houston to Chicago delayed?
About 14% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 154 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 Monday 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 10% 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 74 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 May 16, 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. Sunday afternoons 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 May 25, 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Chicago, such as United Airlines,American Airlines, andSpirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Spirit Airlines
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Overall
7.4
Boarding
7.7
Entertainment
7.1
Food
6.6
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Hammond
Porter
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Chicago flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from George Bush Intcntl
Popular flights
Alternative routes for George Bush Intcntl to Chicago
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
Complete your trip
Complete your trip to Chicago by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from George Bush Intcntl to Chicago by cabin class
Find flights from George Bush Intcntl to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.
George Bush Intcntl and Chicago flights
Browse other George Bush Intcntl and Chicago flight options. Last updated on May 25, 2026.
Other flights from George Bush Intcntl
Browse through other flights departing from George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on May 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from George Bush Intcntl to Chicago
Discover the top 5 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 May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$72 | Average$157 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$172 | Average$284 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$185 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$358 | FlexibilityNo cancel fee | On-timeN/A |