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George Bush Intcntl

$57+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Houston George Bush Intcntl are usually found in January or August, 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 September 18, 2025.

Round-trip from

$88
(Kiwi.com)

One-way from

$57
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$197

Good round-trip deal

$187 or less

Good one-way deal

$112 or less
From Chicago O'Hare Intl to Houston George Bush Intcntl
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One-way flight from Chicago O'Hare Intl to Houston George Bush Intcntl
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Highest demand for flights based on searches. 12% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Houston George Bush Intcntl.
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Find flight deals from O'Hare Intl to George Bush Intcntl

Cheapest flights from O'Hare Intl to George Bush Intcntl
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 September 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/111:14 pmORD - IAH
Nonstop2h 57mFrontier
Mon 10/1310:12 pmIAH - ORD
Nonstop2h 32mFrontier
Deal found 9/17$88
This Mytrip deal was found by Cheapflights users on 9/16. 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 11/71:36 pmORD - IAH
Nonstop2h 57mFrontier
Tue 11/115:28 pmIAH - ORD
Nonstop2h 46mFrontier
Deal found 9/16$89
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 11/127:35 amORD - IAH
Nonstop2h 45mSpirit Airlines
Sat 11/154:29 pmIAH - ORD
Nonstop2h 47mSpirit Airlines
Deal found 9/16$90
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/111:36 pmORD - IAH
Nonstop2h 57mMultiple Airlines
Wed 11/124:29 pmIAH - ORD
Nonstop2h 47mMultiple Airlines
Deal found 9/17$97
This Frontier deal was found by Cheapflights users on 9/17. 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 11/111:36 pmORD - IAH
Nonstop2h 57mFrontier
Wed 11/127:00 amIAH - ORD
1 stop8h 39mFrontier
Deal found 9/17$100
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 11/67:35 amORD - IAH
Nonstop2h 45mSpirit Airlines
Sat 11/84:29 pmIAH - ORD
Nonstop2h 47mSpirit Airlines
Deal found 9/16$103
This Expedia deal was found by Cheapflights users on 9/16. 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.
Sun 11/29:08 pmORD - IAH
Nonstop2h 48mSpirit Airlines
Wed 11/54:29 pmIAH - ORD
Nonstop2h 47mSpirit Airlines
Deal found 9/16$104

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 September 18, 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

Wed 11/12

7:35 am-10:20 am

Nonstop2h 45m

Houston George Bush Intcntl

Wed 11/12

4:29 pm-7:16 pm

Nonstop2h 47m

$90

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/17

6:50 am-11:36 pm

1 stop16h 46m

Houston George Bush Intcntl

Fri 10/24

10:12 pm-12:44 am

Nonstop2h 32m

$128

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 10/16

9:08 pm-11:56 pm

Nonstop2h 48m

Houston George Bush Intcntl

Thu 10/23

5:20 pm-8:03 pm

Nonstop2h 43m

$133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 11/8

6:00 am-11:57 am

1 stop5h 57m

Houston George Bush Intcntl

Mon 11/10

6:10 am-4:56 pm

1 stop10h 46m

$143

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/31

11:24 am-10:06 pm

1 stop10h 42m

Houston George Bush Intcntl

Sun 11/2

5:00 am-11:12 pm

1 stop18h 12m

$145

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 10/19

5:50 am-4:38 pm

1 stop10h 48m

Houston George Bush Intcntl

Sun 11/9

9:04 pm-11:41 pm

Nonstop2h 37m

$147

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 11/7

6:00 am-10:37 am

1 stop28h 37m

Houston George Bush Intcntl

Tue 11/11

7:00 am-3:39 pm

1 stop8h 39m

$148

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/7

7:10 am-10:03 am

Nonstop2h 53m

Houston George Bush Intcntl

Tue 10/7

6:50 pm-9:36 pm

Nonstop2h 46m

$157

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/10

5:50 am-11:57 am

1 stop6h 07m

Houston George Bush Intcntl

Sun 10/12

5:06 pm-11:06 pm

1 stop6h 00m

$166

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/24

5:50 pm-8:44 pm

Nonstop2h 54m

Houston George Bush Intcntl

Sat 11/1

5:10 pm-7:56 pm

Nonstop2h 46m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 24 results
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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's Big Front Seats offer 11 inches more legroom for a fee.


Spirit's Saver$ Club offers discounts on fares, luggage, and boarding.

Read more about Spirit Airlinesby Daniel Scheffler
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.

Read more about United Airlinesby Harriet Baskas
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.

Read more about Frontierby Marisa Garcia
Airports
ORD

For a quick departure, use the 'L' train to reach ORD from downtown Chicago, avoiding traffic delays common with taxis or rideshares.

Read more about ORDby Ramsey Qubein
IAH

For a fast city transfer, Uber or Lyft from IAH takes about 25 minutes to downtown Houston, available at Terminals A, B, and C.

Read more about IAHby Evie Carrick
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

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
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

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
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

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
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

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

Evie Carrick

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

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 September 12, 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 September 18, 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 September 14, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport flight should consider departing on Thursday 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.

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 September 18, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Spirit 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.
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

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
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

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
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

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
8,022 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

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
5.8
Fair
3,174 reviews
United Airlines
7.4
Good
8,925 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

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 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.

  • How long is the flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

    Spirit Airlines and Frontier can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 2h 45m. Your travel time can differ by up to 14h 01m. The distance from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is about 926 mi. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($62), Spirit Airlines ($74), and American Airlines ($157) offers the cheapest pricing from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport. Users have found that Frontier is 71% cheaper than the other options available to this destination.

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

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport consider choosing Envoy Air (93%), Avianca (86%) or Alaska Airlines (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

    On average you can expect to pay $903 for a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport. The cheapest flight overall is $53 while the most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl) is currently priced at $90.

  • Can I find deals for flights from O'Hare Intl to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl 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 O'Hare Intl to George Bush Intcntl.

  • Can I find deals for business class flights from O'Hare Intl to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 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.

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
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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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.
Midway to Hobby flights
O'Hare Intl to Hobby flights
Midway to George Bush Intcntl flights

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 September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$156FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$74Average$173FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$157Average$253FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$176Average$366FlexibilityNo cancel feeOn-time69%

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