HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$53+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 February 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/118:10 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Sun 4/199:27 am
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 2/13$85
This Super.com deal was found by Cheapflights users on 2/15. 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 5/15:25 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Sun 5/39:27 am
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 2/15$86
This Expedia deal was found by Cheapflights users on 2/14. 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.
Mon 3/235:11 am
ORD
-
IAH
Nonstop3h 16m
Multiple Airlines
Wed 3/256:14 am
IAH
-
ORD
Nonstop2h 36m
Multiple Airlines
Deal found 2/14$90
This Expedia deal was found by Cheapflights users on 2/15. 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.
Wed 4/228:25 am
ORD
-
IAH
Nonstop3h 07m
Multiple Airlines
Sat 4/2512:07 pm
IAH
-
ORD
1 stop6h 47m
Multiple Airlines
Deal found 2/15$91
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
Mon 3/305:11 am
ORD
-
IAH
Nonstop3h 16m
Multiple Airlines
Tue 3/316:14 am
IAH
-
ORD
Nonstop2h 36m
Multiple Airlines
Deal found 2/15$92
This Super.com deal was found by Cheapflights users on 2/15. 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 4/97:40 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Fri 4/179:27 am
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 2/15$93
This Frontier deal was found by Cheapflights users on 2/14. 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.
Wed 4/228:25 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Sun 4/269:27 am
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 2/14$94
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 5/198:25 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Wed 5/278:00 pm
IAH
-
ORD
Nonstop3h 00m
Frontier
Deal found 2/13$95
This Expedia deal was found by Cheapflights users on 2/15. 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 5/15:25 am
ORD
-
IAH
Nonstop3h 07m
Multiple Airlines
Mon 5/49:33 pm
IAH
-
ORD
1 stop8h 17m
Multiple Airlines
Deal found 2/15$96
This Kiwi.com deal was found by Cheapflights users on 2/14. 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 4/228:25 am
ORD
-
IAH
Nonstop3h 07m
Multiple Airlines
Mon 4/275:05 am
IAH
-
ORD
1 stop9h 15m
Multiple Airlines
Deal found 2/14$97

Find 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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$85
(Kiwi.com)

One-way from

$53
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$222

Good round-trip deal

$186 or less

Good one-way deal

$102 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Houston George Bush Intcntl flights.
Search Deals
From Chicago O'Hare Intl to Houston George Bush Intcntl
Search Deals
One-way flight from Chicago O'Hare Intl to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Houston George Bush Intcntl.
Search Deals

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 February 17, 2026.
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

Thu 4/23

4:28 pm-10:50 pm

1 stop6h 22m

Houston George Bush Intcntl

Sun 4/26

9:27 am-12:17 pm

Nonstop2h 50m

$113

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 4/11

4:51 pm-11:49 pm

1 stop6h 58m

Houston George Bush Intcntl

Mon 4/13

10:09 pm-6:47 am

1 stop8h 38m

$143

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 3/31

7:30 am-10:37 am

Nonstop3h 07m

Houston George Bush Intcntl

Sat 4/4

5:00 am-7:44 am

Nonstop2h 44m

$177

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 5/16

8:46 am-11:52 am

Nonstop3h 06m

Houston George Bush Intcntl

Sun 5/17

8:26 pm-11:15 pm

Nonstop2h 49m

$185

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 3/18

9:15 pm-12:09 am

Nonstop2h 54m

Houston George Bush Intcntl

Sat 3/28

5:00 am-7:43 am

Nonstop2h 43m

$191

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 5/2

8:15 am-1:51 pm

1 stop5h 36m

Houston George Bush Intcntl

Tue 5/5

11:32 am-4:18 pm

1 stop4h 46m

$197

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 5/8

2:10 pm-5:16 pm

Nonstop3h 06m

Houston George Bush Intcntl

Sun 5/10

6:45 pm-9:36 pm

Nonstop2h 51m

$197

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 3/7

2:05 pm-10:27 pm

1 stop8h 22m

Houston George Bush Intcntl

Wed 3/11

5:25 am-1:17 pm

1 stop7h 52m

$204

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 3/21

9:15 pm-12:09 am

Nonstop2h 54m

Houston George Bush Intcntl

Sun 3/22

5:00 am-7:46 am

Nonstop2h 46m

$206

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 3/16

9:15 pm-12:09 am

Nonstop2h 54m

Houston George Bush Intcntl

Tue 3/24

10:00 am-12:48 pm

Nonstop2h 48m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to George Bush Intcntl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice 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 O'Hare Intl Airport-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 O'Hare Intl Airport-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl Airport-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 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 February 13, 2026.

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 $56). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $131). 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 February 17, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% 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 February 7, 2026.

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. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Houston George Bush Intcntl Airport trip
Our travel experts
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
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
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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 February 17, 2026.
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
9,308 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

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
9,308 reviews
United Airlines
7.4
Good
9,308 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

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
11,294 reviews
United Airlines
7.4
Good
9,308 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

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
8,464 reviews
United Airlines
7.4
Good
9,308 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

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
5.7
Fair
3,047 reviews
United Airlines
7.4
Good
9,308 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

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?

    Frontier and United Airlines can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 3h 07m. Your travel time can differ by up to 3h 15m. 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 ($57), Spirit Airlines ($65), and United Airlines ($159) offers the cheapest pricing from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport. Users have found that Frontier is 74% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $45. Frontier flights start at $49 while deals on American Airlines start at $82 one-way.

  • 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 CommutAir (100%), Cathay Pacific (100%) or Avianca (93%) 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 $486 for a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport. The cheapest flight overall is $50 while the most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl) is currently priced at $65.

  • 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 $56). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $131). 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
The Woodlands
Spring
Katy
Tomball
Humble
Conroe
Jersey Village
Cypress

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 for O'Hare Intl to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Hobby flights
Midway 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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$153FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$65Average$159FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$159Average$333FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$164Average$251FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.