Find flights
Deals
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £59

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
8 Jan — 15 Jan1
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 9 December 2025.

Wed 31/1212:50ORD - IAH
Nonstop3h 00mUnited Airlines
Wed 31/1221:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 7/12£197
Wed 17/1205:30ORD - IAH
1 stop7h 01mDelta
Tue 6/105:15IAH - ORD
1 stop7h 53mDelta
Deal found 7/12£204
Tue 16/1209:49ORD - IAH
1 stop5h 33mDelta
Sun 11/105:15IAH - ORD
1 stop7h 53mDelta
Deal found 7/12£212
Mon 15/1217:07ORD - IAH
1 stop5h 16mDelta
Tue 6/105:15IAH - ORD
1 stop7h 53mDelta
Deal found 7/12£219
Wed 31/1220:05ORD - IAH
Nonstop3h 07mUnited Airlines
Sun 4/121:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 8/12£224
Mon 22/1212:09ORD - IAH
1 stop10h 27mSpirit Airlines
Mon 29/1205:46IAH - ORD
1 stop13h 16mSpirit Airlines
Deal found 8/12£226
Mon 15/1206:45ORD - IAH
1 stop8h 16mDelta
Sun 11/105:15IAH - ORD
1 stop7h 53mDelta
Deal found 7/12£227
Tue 16/1215:53ORD - IAH
Nonstop3h 02mUnited Airlines
Thu 1/106:30IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 7/12£234
Wed 24/1214:26ORD - IAH
1 stop6h 24mUnited Airlines
Wed 31/1207:25IAH - ORD
1 stop7h 27mUnited Airlines
Deal found 8/12£238
Mon 22/1208:54ORD - IAH
Nonstop3h 11mUnited Airlines
Wed 31/1221:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 7/12£250
Thu 25/1217:03ORD - IAH
Nonstop3h 07mUnited Airlines
Sun 28/1218:40IAH - ORD
Nonstop2h 46mUnited Airlines
Deal found 7/12£251
Wed 31/1207:00ORD - IAH
2 stops14h 15mDelta
Thu 1/118:38IAH - ORD
1 stop5h 24mDelta
Deal found 7/12£263

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 9 December 2025.

Round-trip from

£114

One-way from

£59

Popular in

March

Cheapest in

August

Average price

£165

Good one-way deal

£135 or less
United Airlines
  • United Airlines
  • 31/1-31/1
  • Nonstop
  • 5h 46m total
  • Chicago to Houston
Search Deals
United Airlines
  • United Airlines
  • 1/1
  • Nonstop
  • 3h 07m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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

 
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 9 December 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

Mon 2/2

18:20-21:28

Nonstop3h 08m

Houston George Bush Intcntl

Wed 4/2

07:40-10:28

Nonstop2h 48m

£133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 12/1

09:55-15:16

1 stop5h 21m

Houston George Bush Intcntl

Fri 16/1

12:20-17:26

1 stop5h 06m

£163

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 16/1

19:50-22:58

Nonstop3h 08m

Houston George Bush Intcntl

Sat 24/1

07:20-10:07

Nonstop2h 47m

£185

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 30/1

19:50-22:58

Nonstop3h 08m

Houston George Bush Intcntl

Mon 2/2

18:40-21:26

Nonstop2h 46m

£200

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 24/3

17:59-23:59

1 stop6h 00m

Houston George Bush Intcntl

Tue 31/3

15:18-20:37

1 stop5h 19m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 24/3

06:15-13:14

1 stop6h 59m

Houston George Bush Intcntl

Mon 30/3

11:39-16:43

1 stop5h 04m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 29/4

07:10-12:16

1 stop5h 06m

Houston George Bush Intcntl

Sat 2/5

05:25-12:39

1 stop7h 14m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 25/3

12:15-17:56

1 stop5h 41m

Houston George Bush Intcntl

Tue 31/3

07:00-13:18

1 stop6h 18m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 13/2

17:59-23:56

1 stop5h 57m

Houston George Bush Intcntl

Tue 17/2

05:30-13:34

1 stop8h 04m

£212

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 31/12

20:05-23:12

Nonstop3h 07m

Houston George Bush Intcntl

Sun 4/1

21:35-00:14

Nonstop2h 39m

£224

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 21 results
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?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to George Bush Intcntl. Price data was last updated on 5 December 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is 66 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 £42). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of £98). 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 9 December 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 83% on flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets in the evening.

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?

    United Airlines and Delta can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 3h 08m. Your travel time can differ by up to 2h 13m. The distance between Chicago O'Hare Intl Airport and Houston George Bush Intcntl Airport is about 926 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Consider Spirit Airlines (91%), Avianca (90%) or Gulf Air (87%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport.

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

    The cheapest flight price from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is £56. On average you can expect to pay £154. The most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), can usually be booked for £74.

  • 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 £42). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of £98). 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.