$88+ Cheap flights from George Bush Intcntl (IAH) to O'Hare Intl (ORD)
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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ORD
Oct 24 — Oct 311
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 O'Hare Intl 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 O'Hare Intl are usually found in December or November, booked 84 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from George Bush Intcntl to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to O'Hare IntlExplore the most affordable flight options available from George Bush Intcntl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from George Bush Intcntl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am -
Nonstop2h 52m
Tue 10/67:25 am -
Nonstop3h 05m
Deal found 9/21![Frontier logo]()
$143
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am -
Nonstop2h 52m
Thu 10/87:40 am -
Nonstop2h 59m
Deal found 9/21![Frontier logo]()
$144
This deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:25 am -
Nonstop2h 52m
Wed 10/77:25 am -
Nonstop3h 05m
Deal found 9/22![Frontier logo]()
$150
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:05 am -
1 stop6h 46m
Tue 11/32:11 pm -
Nonstop3h 10m
Deal found 9/21![Frontier logo]()
$153
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am -
Nonstop2h 52m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$155
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 pm -
Nonstop2h 49m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$156
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 pm -
Nonstop2h 49m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$157
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:50 pm -
Nonstop2h 49m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$164
This deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:07 pm -
1 stop6h 24m
Wed 10/217:40 am -
Nonstop2h 59m
Deal found 9/22![Frontier logo]()
$168
This Justfly.com deal was found by Cheapflights users on 9/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:06 pm -
Nonstop2h 53m
Tue 11/32:11 pm -
Nonstop3h 10m
Deal found 9/23![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:14 am -
1 stop7h 16m
Sat 10/246:00 am -
1 stop5h 57m
Deal found 9/20![Frontier logo]()
$172
Best flights from George Bush Intcntl to O'Hare IntlDiscover carefully curated flight deals from George Bush Intcntl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from George Bush Intcntl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/175:35 am -
2 stops7h 24m
Sat 10/2411:19 am -
2 stops9h 58m
Deal found 9/19![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:45 pm -
Nonstop2h 56m
Sat 10/178:45 am -
Nonstop2h 56m
Deal found 9/21![United Airlines logo]()
$388
This KAYAK deal was found by Cheapflights users on 9/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:50 pm -
Nonstop3h 10m
Mon 10/53:13 pm -
Nonstop2h 54m
Deal found 9/21![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 9/22. 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 10/1611:01 am -
1 stop5h 39m
Wed 10/218:29 am -
2 stops8h 54m
Deal found 9/22![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 9/21. 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 11/255:10 am -
1 stop5h 29m
Tue 12/12:41 pm -
2 stops9h 21m
Deal found 9/21![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/1711:06 am -
1 stop5h 37m
Mon 1/47:00 am -
2 stops10h 40m
Deal found 9/19![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 9/22. 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 12/105:02 am -
2 stops9h 47m
Tue 6/11:35 pm -
1 stop8h 29m
Deal found 9/22![Delta logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 am -
Nonstop2h 53m
Fri 10/167:30 am -
Nonstop2h 53m
Deal found 9/22![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 9/23. 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 11/265:35 am -
2 stops8h 24m
Mon 11/307:05 am -
1 stop8h 03m
Deal found 9/23![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/20. 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 10/303:32 pm -
2 stops8h 25m
Sun 11/16:20 am -
1 stop6h 45m
Deal found 9/20![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 9/23. 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.
Fri 11/133:35 pm -
2 stops8h 19m
Sun 11/156:23 am -
1 stop6h 54m
Deal found 9/23![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 11/213:35 pm -
2 stops8h 19m
Wed 11/2512:38 pm -
1 stop5h 15m
Deal found 9/20![Delta logo]()
$439
Last-minute flights from George Bush Intcntl to O'Hare IntlDiscover last-minute flight deals from George Bush Intcntl to O'Hare Intl. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to O'Hare Intl. Data last updated September 24, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am -
Nonstop2h 52m
Tue 10/67:25 am -
Nonstop3h 05m
Deal found 9/21![Frontier logo]()
$143
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am -
Nonstop2h 52m
Thu 10/87:40 am -
Nonstop2h 59m
Deal found 9/21![Frontier logo]()
$144
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am -
Nonstop2h 52m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$155
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Thu 10/16:50 pm -
Nonstop2h 49m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$156
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:50 pm -
Nonstop2h 49m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$157
This deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:25 am -
Nonstop2h 52m
Wed 10/77:25 am -
Nonstop3h 05m
Deal found 9/22![Frontier logo]()
$150
This deal was found by Cheapflights users on 9/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:50 pm -
Nonstop2h 49m
Mon 10/52:46 pm -
Nonstop3h 09m
Deal found 9/21![Frontier logo]()
$164
This deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:07 pm -
1 stop6h 24m
Wed 10/217:40 am -
Nonstop2h 59m
Deal found 9/22![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:14 am -
1 stop7h 16m
Sat 10/246:00 am -
1 stop5h 57m
Deal found 9/20![Frontier logo]()
$172
This Justfly.com deal was found by Cheapflights users on 9/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:06 pm -
Nonstop2h 53m
Tue 11/32:11 pm -
Nonstop3h 10m
Deal found 9/23![Frontier logo]()
$170
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:05 am -
1 stop6h 46m
Tue 11/32:11 pm -
Nonstop3h 10m
Deal found 9/21![Frontier logo]()
$153
One-way flights from George Bush Intcntl to O'Hare IntlSearch for one-way flight options from George Bush Intcntl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from George Bush Intcntl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/2112:07 pm -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 9/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:14 am -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/228:27 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:36 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/1511:36 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:36 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/1812:19 pm -
1 stop5h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:36 am -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$102
Find flight deals from George Bush Intcntl to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to O'Hare Intl (ORD). 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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 |
One-way from | $88 (Cheapflightsfares) |
Popular in | June |
Cheapest in | December |
Average price | $285 |
Good round-trip deal | $295 or less |
Good one-way deal | $165 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to O'Hare Intl 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 September 24, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Thu 12/24
2:40 pm-7:59 pm
1 stop5h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Mon 1/11
6:30 am-4:37 pm
2 stops10h 07m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Sat 10/17
5:35 am-12:59 pm
2 stops7h 24m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Mon 11/9
3:35 pm-11:54 pm
2 stops8h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Thu 11/12
8:05 am-6:30 pm
2 stops10h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Sat 1/23
5:25 am-4:37 pm
2 stops11h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Tue 10/27
5:29 am-12:59 pm
2 stops7h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Wed 10/21
11:22 am-8:38 pm
2 stops9h 16m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Wed 11/18
7:00 am-4:41 pm
2 stops9h 41m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
HoustonChicago
IAH Houston George Bush Intcntl - ORD Chicago O'Hare Intl
IAHORD
Houston George Bush Intcntl
Fri 1/8
3:50 pm-6:10 am
2 stops14h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to O'Hare Intl
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 O'Hare Intl in September.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from George Bush Intcntl with our price prediction graph.
IAH-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?
The best time to book flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (average of $216). Flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $374). 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 ORD?
Find hourly flight availability from George Bush Intcntl to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 24, 2026.
When flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport, 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 68% versus a flight at noon.
What is the cheapest day to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to O'Hare Intl. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight should consider departing on Saturday evenings 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.
How often are flights from Houston to Chicago delayed?
About 10% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 157 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?
Thursday 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 8% of flights being delayed.
The best insider tips for Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 24, 2026.
See what other customers who have flown with United Airlines,American Airlines, andFrontier from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl to O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Des Plaines
Lake Geneva
Naperville
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Aurora
Libertyville
Rockford
Hoffman Estates
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
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
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Other flights from George Bush Intcntl
Popular flights
Alternative routes for George Bush Intcntl to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from George Bush Intcntl to O'Hare Intl by cabin class
Find flights from George Bush Intcntl to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
George Bush Intcntl and O'Hare Intl flights
Browse other George Bush Intcntl and O'Hare Intl flight options. Last updated on September 24, 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 September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from George Bush Intcntl to O'Hare Intl
Discover the top 3 airlines that operate flights from George Bush Intcntl to O'Hare Intl. 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 September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$179 | Average$310 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$437 | FlexibilityNo cancel fee | On-time69% |