Spirit's Big Front Seats offer 11 inches more legroom for a fee.
Spirit's Saver$ Club offers discounts on fares, luggage, and boarding.
$62+ Cheap flights from O'Hare Intl (ORD) to George Bush Intcntl (IAH)
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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
Aug 2 — Aug 91
1 adult, Economy
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Find cheap flights from O'Hare Intl 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
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 Chicago O'Hare Intl to Houston George Bush Intcntl are usually found in August or September, booked 66 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from O'Hare Intl to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to George Bush Intcntl (IAH). 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 July 28, 2025.
Round-trip from | $118 (Cheapflightsfares) |
|---|---|
One-way from | $62 (CheapOair) |
Popular in | March |
Cheapest in | August |
Average price | $227 |
Good round-trip deal | $188 or less |
Good one-way deal | $129 or less |
Find flight deals from O'Hare Intl to George Bush Intcntl
Cheapest flights from O'Hare Intl to George Bush IntcntlExplore the most affordable flight options available from O'Hare Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.
Explore the most affordable flight options available from O'Hare Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:47 pmORD - IAH
Nonstop2h 42mMultiple Airlines
Sun 10/267:43 pmIAH - ORD
Nonstop2h 42mMultiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$124
This Expedia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:47 pmORD - IAH
Nonstop2h 42mSpirit Airlines
Mon 8/185:02 pmIAH - ORD
Nonstop2h 40mSpirit Airlines
Deal found 7/27![Spirit Airlines logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:30 amORD - IAH
Nonstop2h 50mFrontier
Sun 8/1010:05 amIAH - ORD
Nonstop2h 44mFrontier
Deal found 7/27![Frontier logo]()
$138
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:38 amORD - IAH
Nonstop2h 53mAmerican Airlines
Mon 9/81:18 pmIAH - ORD
Nonstop2h 43mAmerican Airlines
Deal found 7/27![American Airlines logo]()
$160
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 2,558,603 searches. Data last updated July 28, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport that are best for you.
Fly from
O'Hare Intl
Fly to
George Bush Intcntl
Route
Depart
Return
Price
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Sat 8/16
8:47 pm-11:29 pm
Nonstop2h 42m
Houston George Bush Intcntl
Fri 10/24
7:43 pm-10:25 pm
Nonstop2h 42m
$124
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Fri 8/15
8:47 pm-11:29 pm
Nonstop2h 42m
Houston George Bush Intcntl
Mon 8/18
5:02 pm-7:42 pm
Nonstop2h 40m
$125
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Fri 8/8
6:30 am-9:20 am
Nonstop2h 50m
Houston George Bush Intcntl
Sun 8/10
10:05 am-12:49 pm
Nonstop2h 44m
$138
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Thu 9/4
11:38 am-2:31 pm
Nonstop2h 53m
Houston George Bush Intcntl
Mon 9/8
1:18 pm-4:01 pm
Nonstop2h 43m
$160
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Fri 8/15
6:30 am-9:20 am
Nonstop2h 50m
$67
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Fri 8/29
8:47 pm-11:29 pm
Nonstop2h 42m
$68
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Wed 8/6
5:01 am-10:37 pm
1 stop17h 36m
$85
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Sun 9/14
6:45 am-9:24 am
Nonstop2h 39m
$99
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
Mon 8/25
5:00 pm-11:27 pm
1 stop6h 27m
$109
The best insider tips for Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport trip
Airlines
![Spirit Airlines]()
Spirit Airlines
![United Airlines]()
United Airlines
United's Polaris Lounges offer showers and dining for premium passengers.
United's Economy Plus offers extra legroom and priority boarding for MileagePlus members.
![Frontier]()
Frontier
Frontier's UpFront Plus seats offer a guaranteed empty middle seat for extra comfort.
Frontier charges for carry-on bags; add them during booking for lower fees.
Airports
Our travel experts
Best time to book a flight from O'Hare Intl to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from O'Hare Intl with our price prediction graph.
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 Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?
Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to George Bush Intcntl. Price data was last updated on July 25, 2025.
The price you pay for your flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?
Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 ORD to IAH?
Find hourly flight availability from O'Hare Intl 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 July 28, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 34% on flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets in the evening.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to George Bush Intcntl. Price data was last updated on July 27, 2025.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport
Explore weekly flight availability from O'Hare Intl 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 July 28, 2025.
The most flights from ORD to IAH are scheduled on a Monday (59 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (42 on average).
Reviews of airlines servicing George Bush Intcntl
Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated July 28, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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 locationsMontgomery
Humble
Spring
Conroe
The Woodlands
Tomball
Katy
Jersey Village
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Alternative routes for O'Hare Intl to George Bush Intcntl
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from O'Hare Intl to George Bush Intcntl
Discover the top 4 airlines that operate flights from O'Hare Intl 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 2,558,603 searches. Data last updated July 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$64 | Average$153 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$71 | Average$172 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$157 | Average$260 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$371 | FlexibilityNo cancel fee | On-time69% |