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Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £39

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
17 Jan — 24 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 18 December 2025.

Wed 31/1217:31ORD - IAH
1 stop6h 20mDelta
Thu 1/118:38IAH - ORD
1 stop5h 24mDelta
Deal found 16/12£147
Wed 31/1217:31ORD - IAH
1 stop6h 20mDelta
Wed 7/115:03IAH - ORD
1 stop6h 02mDelta
Deal found 16/12£155
Wed 31/1217:31ORD - IAH
1 stop6h 20mDelta
Fri 9/113:55IAH - ORD
1 stop5h 40mDelta
Deal found 16/12£170
Thu 18/1205:00ORD - IAH
1 stop12h 50mSpirit Airlines
Wed 7/117:30IAH - ORD
Nonstop2h 34mSpirit Airlines
Deal found 16/12£175
Wed 31/1214:17ORD - IAH
Nonstop3h 08mUnited Airlines
Wed 31/1221:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 16/12£177
Thu 25/1205:49ORD - IAH
Nonstop3h 01mUnited Airlines
Wed 31/1205:00IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 17/12£182
Wed 24/1216:00ORD - IAH
Nonstop3h 08mUnited Airlines
Wed 31/1205:00IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 17/12£183
Wed 24/1210:35ORD - IAH
Nonstop3h 05mUnited Airlines
Wed 24/1221:35IAH - ORD
Nonstop2h 39mUnited Airlines
Deal found 16/12£191
Thu 25/1210:45ORD - IAH
1 stop6h 40mUnited Airlines
Thu 1/107:20IAH - ORD
Nonstop2h 48mUnited Airlines
Deal found 16/12£192
Mon 29/1205:00ORD - IAH
1 stop12h 50mSpirit Airlines
Wed 31/1217:30IAH - ORD
Nonstop2h 34mSpirit Airlines
Deal found 15/12£197

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 18 December 2025.

Round-trip from

£73

One-way from

£39

Popular in

March

Cheapest in

August

Average price

£173

Good one-way deal

£127 or less
Spirit Airlines
  • Spirit Airlines
  • 25/1-30/1
  • 1 total stop
  • 16h 18m total
  • Chicago to Houston
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 17/3
  • Nonstop
  • 2h 53m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£13 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
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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 18 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

Sat 14/2

20:10-23:13

Nonstop3h 03m

Houston George Bush Intcntl

Sat 21/2

06:30-09:17

Nonstop2h 47m

£117

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 6/2

09:23-22:56

1 stop13h 33m

Houston George Bush Intcntl

Mon 16/2

11:44-14:23

Nonstop2h 39m

£137

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 28/4

20:53-05:54

1 stop9h 01m

Houston George Bush Intcntl

Mon 4/5

07:35-19:48

1 stop12h 13m

£141

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 1/5

20:53-11:00

1 stop14h 07m

Houston George Bush Intcntl

Sun 3/5

16:20-23:12

1 stop6h 52m

£169

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 31/12

17:31-23:51

1 stop6h 20m

Houston George Bush Intcntl

Sun 11/1

05:15-13:08

1 stop7h 53m

£170

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 14/2

11:18-16:45

1 stop5h 27m

Houston George Bush Intcntl

Mon 16/2

05:30-13:22

1 stop7h 52m

£178

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 31/3

17:59-23:59

1 stop6h 00m

Houston George Bush Intcntl

Sat 4/4

05:29-13:19

1 stop7h 50m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 19/3

09:43-15:53

1 stop6h 10m

Houston George Bush Intcntl

Tue 31/3

05:30-13:18

1 stop7h 48m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 12/1

13:44-16:46

Nonstop3h 02m

Houston George Bush Intcntl

Thu 15/1

08:00-10:46

Nonstop2h 46m

£209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 5/3

05:40-08:41

Nonstop3h 01m

Houston George Bush Intcntl

Sun 8/3

06:20-09:07

Nonstop2h 47m

£215

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 21 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 12 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 £97). 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 18 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, Spirit Airlines, and Delta can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 3h 03m. Your travel time can differ by up to 10h 30m. 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 Avianca (90%), ANA (78%) or Gulf Air (77%) 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 £119. On average you can expect to pay £135. The most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), can usually be booked for £73.

  • 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 £97). 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

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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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