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Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £44

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
27 Nov — 4 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 28 October 2025.

Sat 6/1216:45ORD - IAH
Nonstop3h 02mUnited Airlines
Sat 6/1221:43IAH - ORD
Nonstop2h 32mUnited Airlines
Deal found 26/10£114
Tue 18/1119:55ORD - IAH
Nonstop3h 02mUnited Airlines
Wed 3/1218:35IAH - ORD
Nonstop2h 41mUnited Airlines
Deal found 27/10£126
Thu 25/1221:23ORD - IAH
Nonstop3h 07mUnited Airlines
Tue 6/117:00IAH - ORD
Nonstop2h 49mUnited Airlines
Deal found 27/10£130
Mon 24/1106:45ORD - IAH
1 stop8h 20mDelta
Tue 2/1207:01IAH - ORD
1 stop5h 09mDelta
Deal found 27/10£148
Sun 21/1205:49ORD - IAH
Nonstop3h 01mUnited Airlines
Sat 10/108:23IAH - ORD
Nonstop2h 41mUnited Airlines
Deal found 26/10£163
Tue 9/1212:45ORD - IAH
Nonstop3h 00mUnited Airlines
Tue 9/1218:35IAH - ORD
Nonstop2h 41mUnited Airlines
Deal found 27/10£164
Sat 20/1221:09ORD - IAH
Nonstop2h 50mSpirit Airlines
Mon 22/1217:30IAH - ORD
Nonstop2h 34mSpirit Airlines
Deal found 26/10£173
Mon 24/1114:21ORD - IAH
Nonstop3h 02mUnited Airlines
Tue 2/1221:43IAH - ORD
Nonstop2h 32mUnited Airlines
Deal found 27/10£175
Tue 16/1207:35ORD - IAH
Nonstop3h 02mUnited Airlines
Tue 10/305:00IAH - ORD
Nonstop2h 46mUnited Airlines
Deal found 26/10£178
Wed 19/1121:08ORD - IAH
Nonstop2h 51mUnited Airlines
Tue 2/1221:43IAH - ORD
Nonstop2h 32mUnited Airlines
Deal found 27/10£179
Thu 25/1221:23ORD - IAH
Nonstop3h 07mUnited Airlines
Sun 4/106:30IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 27/10£182

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 28 October 2025.

Round-trip from

£71

One-way from

£41

Popular in

March

Cheapest in

January

Average price

£154

Good one-way deal

£46 or less
Frontier
  • Frontier
  • 11/11-17/11
  • 1 total stop
  • 8h 57m total
  • Chicago to Houston
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 6/11
  • Nonstop
  • 2h 50m 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 October 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 28 October 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

Thu 1/1

18:20-21:28

Nonstop3h 08m

Houston George Bush Intcntl

Wed 7/1

17:00-19:49

Nonstop2h 49m

£107

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 30/1

10:35-18:48

1 stop8h 13m

Houston George Bush Intcntl

Mon 2/2

18:37-23:57

1 stop5h 20m

£148

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 30/12

10:05-18:16

1 stop8h 11m

Houston George Bush Intcntl

Fri 2/1

06:00-11:24

1 stop5h 24m

£229

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 14/11

06:00-08:50

Nonstop2h 50m

Houston George Bush Intcntl

Sun 16/11

06:30-09:11

Nonstop2h 41m

£245

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/3

09:30-17:44

1 stop8h 14m

Houston George Bush Intcntl

Wed 11/3

11:30-16:37

1 stop5h 07m

£253

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 26/11

17:42-23:15

1 stop5h 33m

Houston George Bush Intcntl

Mon 1/12

12:59-18:26

1 stop5h 27m

£253

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 7/11

16:05-23:59

1 stop7h 54m

Houston George Bush Intcntl

Mon 10/11

18:40-00:01

1 stop5h 21m

£257

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 18/11

06:00-08:50

Nonstop2h 50m

Houston George Bush Intcntl

Thu 20/11

07:20-10:02

Nonstop2h 42m

£285

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 31/3

09:25-12:24

Nonstop2h 59m

Houston George Bush Intcntl

Fri 3/4

06:45-09:25

Nonstop2h 40m

£290

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 27/3

18:20-21:22

Nonstop3h 02m

Houston George Bush Intcntl

Sat 4/4

07:20-14:42

1 stop7h 22m

£298

Flights are sorted by cheapest return flights first.

Deals found on 26/10

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 24 October 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 28 October 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.

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 and Spirit Airlines can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 2h 50m. Your travel time can differ by up to 5h 23m. 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 Envoy Air (89%), Avianca (89%) or Spirit Airlines (86%) 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 £39. On average you can expect to pay £46. The most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), can usually be booked for £92.

  • 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.

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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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