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Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £68

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
24 Aug — 31 Aug1
1 adult

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 Wednesday and return on a Friday

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 19 August 2025.

Round-trip from

£69

Popular in

March

Cheapest in

January

Average price

£132
Spirit Airlines
  • Spirit Airlines
  • 26/9-1/10
  • Nonstop
  • 5h 35m 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).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find 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 19 August 2025.

Fri 26/920:56ORD - IAH
Nonstop2h 49mSpirit Airlines
Wed 1/1010:23IAH - ORD
Nonstop2h 46mSpirit Airlines
Deal found 18/8£69
Tue 23/912:45ORD - IAH
Nonstop2h 52mUnited Airlines
Tue 23/918:50IAH - ORD
Nonstop2h 50mUnited Airlines
Deal found 18/8£112
Wed 1/1007:10ORD - IAH
Nonstop2h 53mUnited Airlines
Sat 4/1005:00IAH - ORD
Nonstop2h 50mUnited Airlines
Deal found 17/8£116
Sat 30/820:47ORD - IAH
Nonstop2h 42mSpirit Airlines
Sun 31/820:56IAH - ORD
1 stop7h 54mSpirit Airlines
Deal found 19/8£123
Sat 8/1106:45ORD - IAH
1 stop5h 39mDelta
Sat 8/1118:09IAH - ORD
1 stop5h 48mDelta
Deal found 19/8£160
Sat 20/917:50ORD - IAH
Nonstop2h 55mUnited Airlines
Wed 24/905:00IAH - ORD
Nonstop2h 53mUnited Airlines
Deal found 17/8£168
Tue 16/906:45ORD - IAH
Nonstop2h 39mAmerican Airlines
Tue 16/913:23IAH - ORD
Nonstop2h 41mAmerican Airlines
Deal found 19/8£194
Sat 30/817:00ORD - IAH
1 stop6h 27mDelta
Mon 1/905:20IAH - ORD
1 stop5h 00mDelta
Deal found 17/8£205
Sat 30/810:35ORD - IAH
Nonstop2h 54mUnited Airlines
Sun 31/817:05IAH - ORD
Nonstop2h 53mUnited Airlines
Deal found 17/8£212

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 19 August 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

Fri 26/9

20:56-23:45

Nonstop2h 49m

Houston George Bush Intcntl

Wed 1/10

10:23-13:09

Nonstop2h 46m

£69

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 23/9

12:45-15:37

Nonstop2h 52m

Houston George Bush Intcntl

Tue 23/9

18:50-21:40

Nonstop2h 50m

£112

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 1/10

07:10-10:03

Nonstop2h 53m

Houston George Bush Intcntl

Sat 4/10

05:00-07:50

Nonstop2h 50m

£116

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 30/8

20:47-23:29

Nonstop2h 42m

Houston George Bush Intcntl

Sun 31/8

20:56-04:50

1 stop7h 54m

£123

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 8/11

05:20-12:24

1 stop7h 04m

Houston George Bush Intcntl

Sat 8/11

18:09-23:57

1 stop5h 48m

£160

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 11/10

11:23-17:04

1 stop5h 41m

Houston George Bush Intcntl

Sat 18/10

07:05-12:16

1 stop5h 11m

£160

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 7/10

06:45-12:24

1 stop5h 39m

Houston George Bush Intcntl

Sat 18/10

18:09-23:57

1 stop5h 48m

£160

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 8/10

05:20-12:24

1 stop7h 04m

Houston George Bush Intcntl

Sat 18/10

07:05-12:16

1 stop5h 11m

£160

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 12/11

06:00-11:04

1 stop5h 04m

Houston George Bush Intcntl

Sat 15/11

13:15-18:56

1 stop5h 41m

£160

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 12/10

11:52-22:35

1 stop10h 43m

£68

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 20 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 8 August 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, February 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 £680). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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 19 August 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 9% on flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets in the afternoon.

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 and United Airlines can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 2h 43m. Your travel time will be generally consistent. The distance between Chicago O'Hare Intl Airport and Houston George Bush Intcntl Airport is about 926 mi. Generally, flights for this route are direct.

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

    One-way options have recently been found by users for as low as £72 on Spirit Airlines. Other airlines that offer cheap prices include Delta from £81 and United Airlines from £84 one-way.

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

    Consider PSA Airlines (100%), Avianca (89%) or Republic Airways (78%) 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, February 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 £680). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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

Travelling 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
Livingston
The Woodlands

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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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