$105+ Cheap flights from Illinois to George Bush Intcntl (IAH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to George Bush Intcntl 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
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Cheapest flights from Illinois to George Bush IntcntlExplore the most affordable flight options available from Illinois to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Illinois to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:08 pm -
1 stop13h 37m
Sun 12/69:38 pm -
1 stop9h 42m
Deal found 11/2![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:58 am -
1 stop7h 29m
Thu 12/318:12 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/269:09 am -
1 stop8h 05m
Tue 12/19:24 pm -
1 stop14h 09m
Deal found 11/2![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/185:40 am -
1 stop14h 55m
Fri 1/88:38 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/174:08 pm -
Nonstop3h 09m
Fri 1/86:11 am -
1 stop5h 59m
Deal found 11/2![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:36 pm -
1 stop21h 41m
Mon 12/79:41 am -
1 stop6h 25m
Deal found 10/30![Frontier logo]()
$205
This Super.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/174:08 pm -
Nonstop3h 09m
Mon 1/188:03 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:57 pm -
Nonstop3h 07m
Mon 1/48:49 pm -
1 stop9h 11m
Deal found 10/30![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/196:08 am -
1 stop6h 52m
Thu 12/39:24 pm -
1 stop18h 43m
Deal found 10/30![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/1110:29 pm -
1 stop10h 16m
Tue 12/159:41 am -
1 stop12h 19m
Deal found 11/2![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/186:42 pm -
1 stop12h 41m
Wed 12/29:24 pm -
1 stop18h 43m
Deal found 10/30![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/174:08 pm -
Nonstop3h 09m
Fri 1/158:03 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$208
Best flights from Illinois to George Bush IntcntlDiscover carefully curated flight deals from Illinois to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Illinois to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 12/15:19 pm -
1 stop6h 39m
Tue 12/811:08 am -
2 stops11h 53m
Deal found 10/30![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:50 pm -
Nonstop2h 57m
Sat 12/1910:05 pm -
Nonstop2h 39m
Deal found 11/1![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/201:46 pm -
1 stop8h 09m
Thu 12/245:33 pm -
1 stop4h 26m
Deal found 11/1![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/186:45 pm -
1 stop13h 02m
Mon 1/48:49 pm -
2 stops42h 24m
Deal found 11/2![Multiple Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 11/2310:34 am -
1 stop7h 19m
Sat 12/56:15 am -
1 stop5h 44m
Deal found 10/30![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/211:15 am -
1 stop6h 37m
Thu 3/114:56 pm -
1 stop5h 34m
Deal found 11/1![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:44 pm -
1 stop5h 28m
Fri 12/47:03 pm -
1 stop5h 00m
Deal found 10/30![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/35:07 pm -
1 stop6h 52m
Mon 3/152:54 pm -
1 stop7h 36m
Deal found 11/1![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 am -
1 stop4h 47m
Sun 1/1711:41 am -
1 stop4h 11m
Deal found 11/3![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/47:00 pm -
1 stop5h 28m
Sat 3/134:30 pm -
1 stop6h 42m
Deal found 11/1![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 12/511:14 am -
2 stops10h 11m
Sun 12/66:15 am -
1 stop5h 29m
Deal found 10/30![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/236:27 am -
1 stop5h 56m
Wed 1/271:35 pm -
1 stop7h 40m
Deal found 11/2![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:00 am -
2 stops10h 43m
Sat 11/217:01 pm -
1 stop4h 15m
Deal found 10/30![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 1/2911:04 am -
2 stops12h 49m
Sat 2/612:18 pm -
2 stops10h 31m
Deal found 11/3![Delta logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/236:42 pm -
1 stop27h 15m
Tue 12/299:30 pm -
1 stop12h 24m
Deal found 10/31![Multiple Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 2/179:33 am -
1 stop5h 25m
Sat 2/203:47 pm -
1 stop6h 58m
Deal found 11/3![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:00 am -
1 stop8h 03m
Sat 12/194:57 pm -
1 stop7h 20m
Deal found 11/1![American Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:35 pm -
1 stop6h 55m
Thu 11/266:20 am -
1 stop7h 14m
Deal found 11/1![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/206:00 am -
1 stop5h 28m
Wed 1/206:59 pm -
1 stop4h 56m
Deal found 11/1![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/88:00 am -
1 stop5h 32m
Sun 1/105:10 pm -
1 stop5h 49m
Deal found 11/3![United Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:42 pm -
1 stop27h 15m
Wed 12/305:01 am -
1 stop12h 51m
Deal found 11/1![Multiple Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 2/179:49 am -
1 stop6h 12m
Fri 2/195:30 am -
1 stop7h 57m
Deal found 11/3![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:25 am -
1 stop7h 10m
Wed 11/185:05 pm -
1 stop6h 08m
Deal found 10/31![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/31. 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 12/219:58 am -
1 stop7h 42m
Thu 12/315:10 am -
2 stops12h 14m
Deal found 10/31![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:10 am -
1 stop7h 29m
Thu 12/318:00 am -
1 stop6h 32m
Deal found 11/1![American Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/258:11 pm -
1 stop12h 42m
Tue 12/299:30 pm -
1 stop12h 24m
Deal found 11/2![Multiple Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 1/129:50 am -
2 stops13h 02m
Fri 1/1512:10 pm -
1 stop8h 22m
Deal found 10/30![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/283:02 pm -
1 stop6h 53m
Wed 12/307:15 am -
2 stops7h 17m
Deal found 11/1![American Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 1/56:27 am -
1 stop7h 05m
Fri 1/810:15 pm -
2 stops22h 55m
Deal found 11/2![United Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/237:45 pm -
1 stop13h 28m
Sat 12/267:25 pm -
1 stop16h 12m
Deal found 10/31![Multiple Airlines logo]()
$625
Last-minute flights from Illinois to George Bush IntcntlDiscover last-minute flight deals from Illinois to George Bush Intcntl. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to George Bush Intcntl. Data last updated November 4, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:42 pm -
1 stop18h 15m
Mon 11/239:14 pm -
1 stop11h 00m
Deal found 10/31![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/269:09 am -
1 stop8h 05m
Tue 12/19:24 pm -
1 stop14h 09m
Deal found 11/2![Frontier logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:36 pm -
1 stop21h 41m
Mon 12/79:41 am -
1 stop6h 25m
Deal found 10/30![Frontier logo]()
$205
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:08 pm -
1 stop13h 37m
Sun 12/69:38 pm -
1 stop9h 42m
Deal found 11/2![Frontier logo]()
$201
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:02 pm -
1 stop15h 43m
Sun 12/69:41 am -
1 stop6h 25m
Deal found 11/3![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/1110:29 pm -
1 stop10h 16m
Tue 12/159:41 am -
1 stop12h 19m
Deal found 11/2![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/174:08 pm -
Nonstop3h 09m
Fri 1/86:11 am -
1 stop5h 59m
Deal found 11/2![Frontier logo]()
$204
This Super.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/174:08 pm -
Nonstop3h 09m
Mon 1/188:03 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/174:08 pm -
Nonstop3h 09m
Fri 1/158:03 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/185:40 am -
1 stop14h 55m
Fri 1/88:38 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/225:58 am -
1 stop7h 29m
Thu 12/318:12 pm -
Nonstop2h 54m
Deal found 11/2![Frontier logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:57 pm -
Nonstop3h 07m
Mon 1/48:49 pm -
1 stop9h 11m
Deal found 10/30![Frontier logo]()
$206
One-way flights from Illinois to George Bush IntcntlSearch for one-way flight options from Illinois to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Illinois to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/167:25 am -
1 stop17h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$105
This Travelocity deal was found by Cheapflights users on 11/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:42 pm -
1 stop12h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Sat 11/215:25 am -
Nonstop2h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/112:33 pm -
1 stop20h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:04 pm -
Nonstop3h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/137:55 am -
1 stop30h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$109
This Trip.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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.
Fri 11/205:25 am -
Nonstop2h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$110
This Trip.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/281:18 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/84:00 pm -
2 stops18h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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.
Thu 2/41:18 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Tue 11/245:25 am -
Nonstop2h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/43:55 pm -
Nonstop3h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$113
Find flight deals from Illinois to George Bush Intcntl
Keep the following information in mind while searching for Illinois to George Bush Intcntl flight deals. Data was last updated November 4, 2026.
Round-trip from | $201 (Priceline) |
|---|---|
One-way from | $105 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $280 |
Good round-trip deal | $310 or less |
Good one-way deal | $68 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to George Bush Intcntl 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 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Illinois to Houston George Bush Intcntl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoHouston
MDW Chicago Midway - IAH Houston George Bush Intcntl
MDWIAH
Chicago Midway
Fri 12/4
5:02 pm-8:45 am
1 stop15h 43m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
ChicagoHouston
RFD Chicago Greater Rockford - IAH Houston George Bush Intcntl
RFDIAH
Chicago Greater Rockford
Mon 12/7
11:17 am-10:12 am
1 stop22h 55m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
ChicagoHouston
MDW Chicago Midway - IAH Houston George Bush Intcntl
MDWIAH
Chicago Midway
Wed 12/2
1:02 pm-10:30 pm
2 stops9h 28m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Tue 12/15
7:05 am-5:29 pm
2 stops10h 24m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Sat 12/5
11:14 am-9:25 pm
2 stops10h 11m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
ChicagoHouston
MDW Chicago Midway - IAH Houston George Bush Intcntl
MDWIAH
Chicago Midway
Fri 12/18
8:35 pm-10:22 am
1 stop13h 47m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
ChicagoHouston
RFD Chicago Greater Rockford - IAH Houston George Bush Intcntl
RFDIAH
Chicago Greater Rockford
Thu 11/12
9:30 am-2:44 pm
1 stop29h 14m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Quickest round-trip
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Sat 12/5
5:45 am-8:40 am
Nonstop2h 55m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
ChicagoHouston
ORD Chicago O'Hare Intl - IAH Houston George Bush Intcntl
ORDIAH
Chicago O'Hare Intl
Fri 11/20
2:44 pm-10:22 pm
1 stop7h 38m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
ChicagoHouston
MDW Chicago Midway - IAH Houston George Bush Intcntl
MDWIAH
Chicago Midway
Fri 12/4
1:02 pm-10:30 pm
2 stops9h 28m
Houston George Bush Intcntl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Illinois with our price prediction graph.
ORD-IAH
MDW-IAH
RFD-IAH
MLI-IAH
PIA-IAH
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 Illinois to Houston George Bush Intcntl Airport
USIL-IAH
ORD-IAH
MDW-IAH
RFD-IAH
MLI-IAH
What is the cheapest month to book a flight from Illinois to Houston George Bush Intcntl Airport?
Currently, February is the cheapest month in which you can book a flight from Illinois to Houston George Bush Intcntl Airport (average of $238). Flying from Illinois to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $368). 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 IL to IAH?
Find hourly flight availability from Illinois to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2026.
One of the essential ways to save on airfare from Illinois to Houston George Bush Intcntl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 28% on airfare.
Weekly flight availability from Illinois to Houston George Bush Intcntl Airport
Explore weekly flight availability from Illinois to George Bush Intcntl. 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 November 4, 2026.
The most flights from USIL to IAH are scheduled on a Monday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (43 on average).
How much does it cost to fly round-trip from Illinois to Houston George Bush Intcntl Airport?
Airfare is below average for this route at the moment.
Illinois to Houston George Bush Intcntl Airport flights typically cost between $209 and $402 in December.The cheapest round-trip price found within the last 5 days was $201 on Frontier (Dec 4-Dec 6).
How far ahead should I book a flight from Illinois to Houston George Bush Intcntl Airport?
The price you pay for your flight from Illinois to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Illinois to Houston George Bush Intcntl Airport?
Use this chart to determine the cheapest time to fly round-trip from Illinois to George Bush Intcntl. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Illinois to Houston George Bush Intcntl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to George Bush Intcntl. 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 Houston George Bush Intcntl Airport?
Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locationsConroe
Katy
The Woodlands
Spring
Humble
Jersey Village
Tomball
Montgomery
Cypress
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Alternative routes for Illinois to George Bush Intcntl
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Find flights from Illinois to George Bush Intcntl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to George Bush Intcntl
Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Illinois and George Bush Intcntl flights
Browse other Illinois and George Bush Intcntl flight options. Last updated on November 4, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Illinois to George Bush Intcntl flights
Consider these flights traveling from Illinois to George Bush Intcntl.
Top 4 airlines flying from Illinois to George Bush Intcntl
Discover the top 4 airlines that operate flights from Illinois to George Bush Intcntl. 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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$357 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$202 | Average$284 | FlexibilityNo cancel fee | On-timeN/A |