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George Bush Intcntl

$64+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IAH
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
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

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Cheapflights Tip: The best prices from Chicago to Houston George Bush Intcntl are usually found in October or May, booked 60 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Chicago to George Bush Intcntl

Cheapest flights from Chicago to George Bush Intcntl
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 May 8, 2026.

This Super.com deal was found by Cheapflights users on 5/4. 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 5/284:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Tue 6/28:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Deal found 5/4$116
This deal was found by Cheapflights users on 5/6. 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 10/92:46 pm
ORD
-
IAH
Nonstop3h 01m
Frontier
Mon 10/121:35 pm
IAH
-
ORD
1 stop6h 53m
Frontier
Deal found 5/6$117
This Frontier deal was found by Cheapflights users on 5/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:50 pm
ORD
-
IAH
1 stop9h 00m
Frontier
Wed 6/38:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Deal found 5/3$119
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/304:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Sat 6/610:52 am
IAH
-
ORD
1 stop8h 37m
Frontier
Deal found 5/4$121
This Super.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Wed 6/1011:12 am
IAH
-
ORD
1 stop8h 38m
Frontier
Deal found 5/5$123
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/26:55 am
ORD
-
IAH
1 stop15h 55m
Frontier
Tue 6/99:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/7$124
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:29 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Tue 6/239:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/7$126
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/165:29 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Wed 6/1711:12 am
IAH
-
ORD
1 stop8h 38m
Frontier
Deal found 5/4$127
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/264:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Mon 6/18:50 pm
IAH
-
ORD
1 stop11h 05m
Frontier
Deal found 5/4$129
This Super.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/54:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Tue 6/99:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/6$133
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/212:27 pm
MDW
-
IAH
1 stop10h 23m
Frontier
Tue 6/911:12 am
IAH
-
MDW
1 stop10h 59m
Frontier
Deal found 5/5$134
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/2712:04 pm
MDW
-
IAH
1 stop10h 46m
Frontier
Tue 6/28:02 pm
IAH
-
MDW
1 stop15h 07m
Frontier
Deal found 5/4$145

Find 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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$116
(Super.com)

One-way from

$64
(Trip.com)

Popular in

March

Cheapest in

October

Average price

$158

Good round-trip deal

$201 or less

Good one-way deal

$78 or less
Provider with most accurate pricing for Chicago (CHI)-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Houston George Bush Intcntl flights.
Search Deals
From Chicago (CHI) to Houston George Bush Intcntl
Search Deals
One-way flight from Chicago (CHI) to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Houston George Bush Intcntl.
Search Deals

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 May 8, 2026.
Use the filters below to find and compare flights from Chicago to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 5/27

4:05 pm-7:17 pm

Nonstop3h 12m

Houston George Bush Intcntl

Wed 6/10

8:55 pm-8:03 am

1 stop11h 08m

$171

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Wed 6/17

9:54 am-5:43 pm

1 stop7h 49m

Houston George Bush Intcntl

Tue 6/23

6:30 am-1:09 pm

1 stop6h 39m

$207

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 6/6

3:47 pm-9:33 pm

1 stop5h 46m

Houston George Bush Intcntl

Tue 6/9

7:02 am-12:36 pm

1 stop5h 34m

$208
Quickest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 6/1

9:36 pm-12:30 am

Nonstop2h 54m

Houston George Bush Intcntl

Thu 6/4

5:04 am-7:57 am

Nonstop2h 53m

$239

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Mon 6/29

6:00 am-1:38 pm

1 stop7h 38m

Houston George Bush Intcntl

Wed 7/1

6:30 am-1:09 pm

1 stop6h 39m

$248

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Fri 5/29

10:59 am-5:30 pm

1 stop6h 31m

Houston George Bush Intcntl

Tue 6/2

8:29 am-4:12 pm

1 stop7h 43m

$249

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 7/1

5:30 am-1:38 pm

1 stop8h 08m

Houston George Bush Intcntl

Fri 7/3

7:02 am-2:16 pm

1 stop7h 14m

$254

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 5/20

9:49 am-3:22 pm

1 stop5h 33m

Houston George Bush Intcntl

Tue 5/26

2:45 pm-9:20 pm

1 stop6h 35m

$267

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 6/28

6:30 am-1:15 pm

1 stop6h 45m

Houston George Bush Intcntl

Wed 7/1

5:40 am-12:36 pm

1 stop6h 56m

$276

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 6/14

5:30 am-11:23 am

1 stop5h 53m

Houston George Bush Intcntl

Tue 6/23

3:25 pm-8:31 pm

1 stop5h 06m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 44 resultsSorted by cheapest first
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Compare providers for flights from Chicago to George Bush Intcntl

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 Chicago to George Bush Intcntl in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Houston George Bush Intcntl 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 Chicago-Houston George Bush Intcntl 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 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?

Booking 69 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 $28). Flying from Chicago to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $638). 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 May 8, 2026.

It’s typically best to fly out from Chicago to Houston George Bush Intcntl Airport at noon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, 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 May 2, 2026.

Travelers seeking maximum savings on their Chicago 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.

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 May 8, 2026.

The most flights from CHI to IAH are scheduled on a Thursday (73 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).

How much does it cost to fly round-trip from Chicago to Houston George Bush Intcntl Airport?

The best insider tips for Chicago to Houston George Bush Intcntl 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 Chicago to Houston George Bush Intcntl Airport trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more

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 May 8, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andSpirit 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.
United Airlines
7.4
Good
9,695 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,695 reviews
United Airlines
7.4
Good
9,695 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,673 reviews
United Airlines
7.4
Good
9,695 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Spirit Airlines
6.3
Okay
8,638 reviews
United Airlines
7.4
Good
9,695 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Frontier
5.6
Fair
2,960 reviews
United Airlines
7.4
Good
9,695 reviews

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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.

  • How long is the flight from Chicago to Houston George Bush Intcntl Airport?

    Departing from Chicago to Houston George Bush Intcntl Airport will take you 2h 54m. Chicago and Houston George Bush Intcntl Airport are separated by a distance of 926 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Houston George Bush Intcntl Airport round-trip?

    Flying on Frontier is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $57. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $70 and $163, respectively. Users have found that Frontier is 75% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago to Houston George Bush Intcntl Airport one-way?

    One-way options have recently been found by users for as low as $48 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $49 and American Airlines from $78 one-way.

  • What are the most reliable airlines from Chicago to Houston George Bush Intcntl Airport?

    Consider CommutAir (100%), Avianca (83%) or Volaris (82%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Houston George Bush Intcntl Airport.

  • What are the cheapest flights from Chicago to Houston George Bush Intcntl Airport?

    While on average a flight from Chicago to Houston George Bush Intcntl Airport is generally $713, our data shows the cheapest flight currently is $50. When looking at the most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), you can expect to pay $117 for that flight.

  • Can I find deals for flights from Chicago to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Chicago to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to George Bush Intcntl.

  • Can I find deals for business class flights from Chicago to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Chicago to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $28). Flying from Chicago to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $638). 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.

See more FAQs

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 locations
Katy
The Woodlands
Spring
Jersey Village
Humble
Tomball
Cypress
Montgomery
Conroe

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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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$170FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$70Average$148FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$163Average$264FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$171Average$349FlexibilityNo cancel feeOn-time69%
DeltaCheapest$207Average$287FlexibilityNo cancel feeOn-timeN/A

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