Find flights
Deals
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £64

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
29 Jun — 6 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to George Bush Intcntl

Enter your travel dates to find the best prices.

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 30 May 2026.

Wed 24/606:30
ORD
-
IAH
Nonstop2h 49m
United Airlines
Wed 1/722:08
IAH
-
ORD
Nonstop2h 37m
United Airlines
Deal found 27/5£127
Thu 13/805:30
ORD
-
IAH
Nonstop2h 49m
United Airlines
Tue 18/820:35
IAH
-
ORD
Nonstop2h 51m
United Airlines
Deal found 26/5£139
Wed 1/705:30
ORD
-
IAH
1 stop8h 08m
Delta
Wed 8/705:30
IAH
-
ORD
1 stop7h 33m
Delta
Deal found 28/5£147
Tue 7/705:30
ORD
-
IAH
1 stop5h 44m
Delta
Wed 15/710:49
IAH
-
ORD
2 stops9h 42m
Delta
Deal found 29/5£150
Sat 5/905:30
ORD
-
IAH
Nonstop2h 49m
United Airlines
Mon 7/922:19
IAH
-
ORD
Nonstop2h 40m
United Airlines
Deal found 26/5£151
Tue 15/909:00
ORD
-
IAH
1 stop5h 25m
Delta
Mon 21/907:00
IAH
-
ORD
1 stop5h 40m
Delta
Deal found 29/5£152
Tue 23/617:22
ORD
-
IAH
1 stop5h 02m
Delta
Tue 30/606:30
IAH
-
ORD
1 stop5h 01m
Delta
Deal found 25/5£155
Thu 13/811:22
ORD
-
IAH
1 stop7h 10m
Delta
Tue 18/806:10
IAH
-
ORD
1 stop5h 27m
Delta
Deal found 27/5£156
Mon 14/915:42
ORD
-
IAH
1 stop5h 33m
Delta
Mon 21/918:40
IAH
-
ORD
1 stop5h 19m
Delta
Deal found 29/5£157
Tue 7/706:30
ORD
-
IAH
2 stops8h 00m
Delta
Tue 14/715:27
IAH
-
ORD
1 stop5h 04m
Delta
Deal found 25/5£159
Tue 4/810:33
ORD
-
IAH
1 stop7h 07m
Delta
Sat 15/811:04
IAH
-
ORD
2 stops9h 23m
Delta
Deal found 27/5£160

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 30 May 2026.

Round-trip from

£127

One-way from

£64

Popular in

March

Cheapest in

August

Average price

£187
United Airlines
  • United Airlines
  • 8/7-14/7
  • Nonstop
  • 5h 49m total
  • Chicago to Houston
Search Deals
United Airlines
  • United Airlines
  • 24/6
  • Nonstop
  • 3h 01m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 30 May 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 4/7

13:55-23:56

2 stops10h 01m

Houston George Bush Intcntl

Wed 8/7

05:30-16:59

2 stops11h 29m

£192

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 10/7

14:07-23:57

2 stops9h 50m

Houston George Bush Intcntl

Tue 14/7

17:20-23:53

1 stop6h 33m

£208

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 7/7

08:03-15:56

1 stop7h 53m

Houston George Bush Intcntl

Wed 15/7

10:49-20:31

2 stops9h 42m

£208

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 18/9

09:00-17:39

2 stops8h 39m

Houston George Bush Intcntl

Mon 21/9

05:30-16:52

2 stops11h 22m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 30/10

13:15-22:48

2 stops9h 33m

Houston George Bush Intcntl

Thu 5/11

07:15-12:06

1 stop4h 51m

£211

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 17/6

06:30-13:15

1 stop6h 45m

Houston George Bush Intcntl

Wed 8/7

05:30-16:59

2 stops11h 29m

£212
Fastest return journey

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 27/7

06:30-13:14

1 stop6h 44m

Houston George Bush Intcntl

Mon 27/7

18:34-23:53

1 stop5h 19m

£222

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 4/7

08:36-21:34

2 stops12h 58m

Houston George Bush Intcntl

Mon 6/7

05:40-12:36

1 stop6h 56m

£226

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 23/7

14:07-23:57

2 stops9h 50m

Houston George Bush Intcntl

Mon 27/7

14:35-21:52

1 stop7h 17m

£226

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 3/7

18:22-23:56

1 stop5h 34m

Houston George Bush Intcntl

Sat 4/7

05:20-17:17

2 stops11h 57m

£227

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 return 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?

The best time to book flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 £132). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of £251). 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 30 May 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 80% on flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets at midday.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

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?

    Delta can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 9h 57m. Your travel time can differ by up to . The distance between Chicago O'Hare Intl Airport and Houston George Bush Intcntl Airport is about 926 mi.

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

    Consider Avianca (89%), United Airlines (81%) or Emirates (79%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport.

  • 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 holiday 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 £132). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of £251). 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

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to George Bush Intcntl?

Deals for O'Hare Intl to George Bush Intcntl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to George Bush Intcntl?

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to George Bush Intcntl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from O'Hare Intl to George Bush Intcntl with no change fees?

Need flexible booking options for your flight to George Bush Intcntl from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to George Bush Intcntl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to George Bush Intcntl from O'Hare Intl today and book when prices fit your budget.

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.