Frontier offers extra comfort seats with 32” separation for a fee, enhancing legroom.
Frontier's Zone 1 boarding is available with a carry-on purchase or special fare bundle.
$65+ Cheap flights from Chicago (CHI) 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IAH
jul 30 — ago 61
1 adult, Economy
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Find cheap flights from Chicago 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 to Houston George Bush Intcntl are usually found in August or September, booked 43 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Chicago to George Bush Intcntl
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 julho 25, 2025.
Round-trip from | $126 (FlightHub) |
|---|---|
One-way from | $65 (Frontier) |
Popular in | February |
Cheapest in | August |
Average price | $213 |
Good round-trip deal | $150 or less |
Good one-way deal | $115 or less |
Find flight deals from Chicago to George Bush Intcntl
Cheapest flights from Chicago to George Bush IntcntlExplore the most affordable flight options available from Chicago to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julho 25, 2025.
Explore the most affordable flight options available from Chicago to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julho 25, 2025.
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/138:47 pmORD - IAH
Nonstop2h 42mSpirit Airlines
sáb 8/166:40 amIAH - ORD
1 stop9h 46mSpirit Airlines
Deal found 7/24![Spirit Airlines logo]()
$126
This FlightHub deal was found by Cheapflights users on 7/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/146:30 amORD - IAH
Nonstop2h 50mFrontier
dom 8/1710:05 amIAH - ORD
Nonstop2h 44mFrontier
Deal found 7/23![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
dom 8/176:30 amORD - IAH
Nonstop2h 50mMultiple Airlines
ter 8/265:45 amIAH - ORD
1 stop10h 25mMultiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$132
This Frontier deal was found by Cheapflights users on 7/22. 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.
qui 8/218:15 amMDW - IAH
Nonstop2h 51mFrontier
seg 8/2511:36 amIAH - MDW
Nonstop2h 34mFrontier
Deal found 7/22![Frontier logo]()
$142
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/88:50 pmORD - IAH
Nonstop2h 53mAmerican Airlines
ter 10/1410:52 amIAH - ORD
Nonstop2h 49mAmerican Airlines
Deal found 7/24![American Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 7/24. 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.
sáb 8/166:04 amMDW - IAH
1 stop5h 58mDelta
seg 8/185:20 amIAH - MDW
1 stop7h 08mDelta
Deal found 7/24![Delta logo]()
$217
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 julho 25, 2025.
Use the filters below to find and compare flights from Chicago to Houston George Bush Intcntl Airport that are best for you.
Fly from
Chicago
Fly to
George Bush Intcntl
Route
Depart
Return
Price
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
qua 8/13
8:47 pm-11:29 pm
Nonstop2h 42m
Houston George Bush Intcntl
sáb 8/16
6:40 am-4:26 pm
1 stop9h 46m
$126
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
qui 8/14
6:30 am-9:20 am
Nonstop2h 50m
Houston George Bush Intcntl
dom 8/17
10:05 am-12:49 pm
Nonstop2h 44m
$131
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
dom 8/17
6:30 am-9:20 am
Nonstop2h 50m
Houston George Bush Intcntl
ter 8/26
5:45 am-4:10 pm
1 stop10h 25m
$132
ChicagoHouston
MDW - IAH
MDWIAH
Chicago Midway
qui 8/21
8:15 am-11:06 am
Nonstop2h 51m
Houston George Bush Intcntl
seg 8/25
11:36 am-2:10 pm
Nonstop2h 34m
$142
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
qua 10/8
8:50 pm-11:43 pm
Nonstop2h 53m
Houston George Bush Intcntl
ter 10/14
10:52 am-1:41 pm
Nonstop2h 49m
$157
ChicagoHouston
MDW - IAH
MDWIAH
Chicago Midway
sáb 8/16
6:04 am-12:02 pm
1 stop5h 58m
Houston George Bush Intcntl
seg 8/18
5:20 am-12:28 pm
1 stop7h 08m
$217
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
dom 8/17
6:30 am-9:20 am
Nonstop2h 50m
$65
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
seg 9/22
10:18 am-7:19 pm
1 stop9h 01m
$66
ChicagoHouston
MDW - IAH
MDWIAH
Chicago Midway
qui 10/30
6:00 am-8:49 am
Nonstop2h 49m
$77
ChicagoHouston
ORD - IAH
ORDIAH
Chicago O'Hare Intl
qui 1/15
6:00 am-8:45 am
Nonstop2h 45m
$79
Showing 1-10 of 13 results
The best insider tips for Chicago 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 to Houston George Bush Intcntl Airport trip
Airlines
![Frontier]()
Frontier
![Spirit Airlines]()
Spirit Airlines
Spirit's Big Front Seats offer 11 inches more legroom, ideal for comfort on short flights.
Spirit's self-service bag drop saves time; print boarding pass in advance to avoid fees.
![United Airlines]()
United Airlines
United's Economy Plus offers extra legroom seats towards the front of the economy cabin.
United's Polaris Lounge in Chicago offers showers, daybeds, and dining for premium passengers.
Airports
Our travel experts
Best time to book a flight from Chicago to George Bush Intcntl
Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Chicago 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 to Houston George Bush Intcntl Airport
How far ahead should I book a flight from Chicago to Houston George Bush Intcntl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to George Bush Intcntl. Price data was last updated on July 18, 2025.
Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago to Houston George Bush Intcntl Airport?
Currently, August is the cheapest month in which you can book a flight from Chicago to Houston George Bush Intcntl Airport (average of $241). Flying from Chicago 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 CHI to IAH?
Find hourly flight availability from Chicago 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 julho 25, 2025.
It’s typically best to fly out from Chicago to Houston George Bush Intcntl Airport in the evening. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Chicago to Houston George Bush Intcntl Airport?
Use this chart to determine the cheapest time to fly round-trip from Chicago to George Bush Intcntl. Price data was last updated on July 20, 2025.
Travelers seeking maximum savings on their Chicago to Houston George Bush Intcntl Airport flight should consider departing on Friday afternoons 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 to Houston George Bush Intcntl Airport
Explore weekly flight availability from Chicago 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 julho 25, 2025.
The most flights from CHI to IAH are scheduled on a Friday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).
How much does it cost to fly round-trip from Chicago to Houston George Bush Intcntl Airport?
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 julho 25, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Chicago to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Chicago 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 Chicago to George Bush Intcntl
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Chicago to George Bush Intcntl
Discover the top 5 airlines that operate flights from Chicago 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 julho 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$71 | Average$172 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$157 | Average$254 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$372 | FlexibilityNo cancel fee | On-timeN/A |