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Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £41

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

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 Tuesday or Monday and return on a Monday

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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 11 November 2025.

Tue 9/1214:21ORD - IAH
Nonstop3h 02mUnited Airlines
Tue 16/1208:30IAH - ORD
Nonstop2h 41mUnited Airlines
Deal found 10/11£128
Sat 13/1221:08ORD - IAH
Nonstop2h 51mUnited Airlines
Mon 15/1220:15IAH - ORD
Nonstop2h 41mUnited Airlines
Deal found 10/11£134
Mon 8/1216:45ORD - IAH
Nonstop3h 00mUnited Airlines
Wed 10/1206:30IAH - ORD
Nonstop2h 42mUnited Airlines
Deal found 10/11£150
Wed 31/1221:23ORD - IAH
Nonstop3h 07mUnited Airlines
Fri 2/105:00IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 9/11£150
Fri 12/1211:15ORD - IAH
1 stop6h 29mDelta
Mon 19/107:05IAH - ORD
1 stop6h 34mDelta
Deal found 9/11£157
Sat 20/1218:20ORD - IAH
Nonstop3h 08mUnited Airlines
Thu 25/1221:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 10/11£169
Thu 25/1214:17ORD - IAH
Nonstop3h 08mUnited Airlines
Thu 25/1221:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 9/11£177
Sat 15/1110:52ORD - IAH
1 stop13h 26mSpirit Airlines
Tue 18/1112:13IAH - ORD
Nonstop2h 38mSpirit Airlines
Deal found 9/11£180
Thu 20/1112:55ORD - IAH
1 stop6h 54mSpirit Airlines
Sun 23/1114:59IAH - ORD
1 stop8h 14mSpirit Airlines
Deal found 10/11£185
Fri 21/1108:20ORD - IAH
Nonstop2h 50mSpirit Airlines
Sun 23/1114:59IAH - ORD
1 stop8h 14mSpirit Airlines
Deal found 10/11£188
Fri 12/1211:15ORD - IAH
1 stop6h 29mDelta
Fri 19/1213:36IAH - ORD
1 stop5h 07mDelta
Deal found 10/11£196
Tue 2/1220:30ORD - IAH
Nonstop2h 57mAmerican Airlines
Thu 4/1218:37IAH - ORD
Nonstop2h 48mAmerican Airlines
Deal found 10/11£200

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 11 November 2025.

Round-trip from

£85

One-way from

£41

Popular in

March

Cheapest in

January

Average price

£180

Good one-way deal

£93 or less
United Airlines
  • United Airlines
  • 31/1-31/1
  • Nonstop
  • 5h 50m total
  • Chicago to Houston
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 3/12
  • 1 total stop
  • 8h 28m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 11 November 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

Tue 3/3

15:33-18:33

Nonstop3h 00m

Houston George Bush Intcntl

Wed 4/3

11:49-14:28

Nonstop2h 39m

£106

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 16/1

07:05-15:18

1 stop8h 13m

Houston George Bush Intcntl

Sun 18/1

05:15-13:07

1 stop7h 52m

£150

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 12/12

21:08-23:59

Nonstop2h 51m

Houston George Bush Intcntl

Sun 14/12

20:15-22:56

Nonstop2h 41m

£150

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 14/1

11:05-18:48

1 stop7h 43m

Houston George Bush Intcntl

Wed 21/1

12:47-17:56

1 stop5h 09m

£150

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 3/3

17:53-23:58

1 stop6h 05m

Houston George Bush Intcntl

Wed 4/3

05:15-13:21

1 stop8h 06m

£150

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 12/12

11:15-17:44

1 stop6h 29m

Houston George Bush Intcntl

Fri 19/12

13:36-18:43

1 stop5h 07m

£196

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 12/2

09:48-15:18

1 stop5h 30m

Houston George Bush Intcntl

Mon 16/2

05:15-13:21

1 stop8h 06m

£212

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 23/3

21:05-23:59

Nonstop2h 54m

Houston George Bush Intcntl

Sun 29/3

05:00-07:44

Nonstop2h 44m

£219

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 28/3

14:45-21:12

1 stop6h 27m

Houston George Bush Intcntl

Thu 2/4

11:30-16:37

1 stop5h 07m

£234

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 17/3

20:06-23:09

Nonstop3h 03m

Houston George Bush Intcntl

Wed 25/3

06:20-09:07

Nonstop2h 47m

£250

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 22 results
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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 7 November 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 £43). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of £99). 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 11 November 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 53% 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?

    Spirit Airlines, United Airlines, and Delta can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 3h. Your travel time can differ by up to 4h 43m. 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 (96%), Republic Airways (96%) or Avianca (88%) 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 £40. On average you can expect to pay £121. The most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), can usually be booked for £93.

  • 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 £43). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of £99). 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.

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

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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.

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