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Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £58

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
28 Apr — 5 May1
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 29 March 2026.

Wed 15/417:15
ORD
-
IAH
Nonstop3h 05m
United Airlines
Wed 22/422:05
IAH
-
ORD
Nonstop2h 40m
United Airlines
Deal found 25/3£135
Wed 15/416:03
ORD
-
IAH
Nonstop3h 06m
United Airlines
Thu 16/422:45
IAH
-
ORD
Nonstop2h 41m
United Airlines
Deal found 25/3£142
Tue 21/405:15
ORD
-
IAH
1 stop5h 59m
Delta
Tue 21/417:00
IAH
-
ORD
1 stop5h 21m
Delta
Deal found 26/3£150
Wed 3/605:30
ORD
-
IAH
1 stop5h 39m
Delta
Sat 6/605:20
IAH
-
ORD
1 stop7h 36m
Delta
Deal found 26/3£157
Thu 7/509:25
ORD
-
IAH
1 stop5h 05m
Delta
Mon 11/511:34
IAH
-
ORD
1 stop4h 55m
Delta
Deal found 25/3£164
Fri 17/418:15
ORD
-
IAH
Nonstop3h 06m
United Airlines
Tue 21/420:26
IAH
-
ORD
Nonstop2h 49m
United Airlines
Deal found 25/3£170
Sat 25/414:05
ORD
-
IAH
Nonstop3h 06m
United Airlines
Sun 26/405:00
IAH
-
ORD
Nonstop2h 44m
United Airlines
Deal found 26/3£171
Thu 21/505:30
ORD
-
IAH
Nonstop2h 48m
United Airlines
Tue 26/505:04
IAH
-
ORD
Nonstop2h 53m
United Airlines
Deal found 25/3£173
Wed 22/405:15
ORD
-
IAH
1 stop5h 59m
Delta
Sun 26/405:20
IAH
-
ORD
1 stop4h 59m
Delta
Deal found 25/3£179
Wed 29/407:10
ORD
-
IAH
1 stop6h 41m
Delta
Wed 29/418:46
IAH
-
ORD
1 stop5h 13m
Delta
Deal found 29/3£180

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 29 March 2026.

Round-trip from

£135

One-way from

£58

Popular in

March

Cheapest in

August

Average price

£244
United Airlines
  • United Airlines
  • 15/4-22/4
  • Nonstop
  • 5h 45m total
  • Chicago to Houston
Search Deals
Frontier
  • Frontier
  • 19/4
  • 1 total stop
  • 23h 51m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 29 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 19/9

06:30-09:19

Nonstop2h 49m

Houston George Bush Intcntl

Sun 27/9

05:00-07:47

Nonstop2h 47m

£224

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 1/8

14:31-22:14

1 stop7h 43m

Houston George Bush Intcntl

Sat 15/8

05:55-12:08

1 stop6h 13m

£225

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 16/5

18:25-21:31

Nonstop3h 06m

Houston George Bush Intcntl

Sun 17/5

22:04-00:45

Nonstop2h 41m

£231

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 27/4

05:00-09:40

1 stop4h 40m

Houston George Bush Intcntl

Thu 30/4

06:04-08:56

Nonstop2h 52m

£239

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 30/7

08:03-13:33

1 stop5h 30m

Houston George Bush Intcntl

Sun 16/8

05:55-12:08

1 stop6h 13m

£239

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 19/9

13:15-18:52

1 stop5h 37m

Houston George Bush Intcntl

Sun 27/9

14:35-19:43

1 stop5h 08m

£239

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 26/4

05:00-11:19

1 stop6h 19m

Houston George Bush Intcntl

Wed 29/4

10:44-13:42

Nonstop2h 58m

£240

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 3/8

08:03-13:33

1 stop5h 30m

Houston George Bush Intcntl

Fri 14/8

14:35-21:34

1 stop6h 59m

£247

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 26/4

05:15-11:14

1 stop5h 59m

Houston George Bush Intcntl

Wed 29/4

14:59-21:25

1 stop6h 26m

£248

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 2/8

08:03-13:33

1 stop5h 30m

Houston George Bush Intcntl

Sun 16/8

11:30-18:41

1 stop7h 11m

£253

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 23 resultsSorted by cheapest first
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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 13 March 2026.

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 March is currently the most expensive (average of £100). 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 29 March 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 80% on flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets at midday.

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 United Airlines can get you from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in just under 2h 49m. Your travel time can differ by up to 3h 52m. 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 CommutAir (100%), Avianca (88%) or Volaris (84%) 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, 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 March is currently the most expensive (average of £100). 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?

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.

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