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Cheap flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport from £52

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
10 May — 17 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 10 April 2026.

Mon 27/419:15
ORD
-
IAH
2 stops15h 56m
Multiple Airlines
Thu 30/409:23
IAH
-
ORD
Nonstop2h 50m
Multiple Airlines
Deal found 6/4£96
Tue 23/606:30
ORD
-
IAH
Nonstop2h 49m
United Airlines
Wed 24/605:04
IAH
-
ORD
Nonstop2h 56m
United Airlines
Deal found 9/4£126
Mon 27/419:15
ORD
-
IAH
1 stop16h 12m
Spirit Airlines
Thu 30/412:35
IAH
-
ORD
2 stops11h 49m
Spirit Airlines
Deal found 6/4£131
Wed 29/420:15
ORD
-
IAH
Nonstop3h 06m
United Airlines
Mon 4/505:09
IAH
-
ORD
Nonstop2h 45m
United Airlines
Deal found 8/4£137
Tue 26/517:19
ORD
-
IAH
1 stop4h 57m
Delta
Wed 3/605:20
IAH
-
ORD
1 stop5h 09m
Delta
Deal found 6/4£147
Mon 18/521:56
ORD
-
IAH
Nonstop3h 03m
United Airlines
Sat 23/520:25
IAH
-
ORD
Nonstop2h 49m
United Airlines
Deal found 9/4£148
Mon 11/517:19
ORD
-
IAH
1 stop4h 57m
Delta
Tue 19/512:04
IAH
-
ORD
1 stop6h 37m
Delta
Deal found 6/4£155
Thu 28/514:00
ORD
-
IAH
1 stop8h 16m
Delta
Sat 30/517:25
IAH
-
ORD
1 stop6h 38m
Delta
Deal found 6/4£163
Sat 9/508:10
ORD
-
IAH
1 stop5h 04m
Delta
Tue 12/515:25
IAH
-
ORD
1 stop4h 49m
Delta
Deal found 7/4£170
Wed 29/405:48
ORD
-
IAH
Nonstop2h 59m
United Airlines
Sun 3/522:45
IAH
-
ORD
Nonstop2h 42m
United Airlines
Deal found 5/4£174
Sun 10/507:07
ORD
-
IAH
1 stop6h 07m
Delta
Tue 11/805:25
IAH
-
ORD
1 stop4h 59m
Delta
Deal found 9/4£177

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 10 April 2026.

Round-trip from

£96

One-way from

£52

Popular in

March

Cheapest in

August

Average price

£195
Frontier
  • Frontier
  • 27/4-30/4
  • 2 total stops
  • 18h 46m total
  • Chicago to Houston
Search Deals
Frontier
  • Frontier
  • 6/5
  • 1 total stop
  • 6h 13m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£23 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 April 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 10 April 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

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 27/4

22:45-01:48

Nonstop3h 03m

Houston George Bush Intcntl

Mon 4/5

05:09-07:54

Nonstop2h 45m

£148

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 3/6

14:00-22:16

1 stop8h 16m

Houston George Bush Intcntl

Sat 6/6

11:34-16:29

1 stop4h 55m

£155

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 12/5

07:07-13:14

1 stop6h 07m

Houston George Bush Intcntl

Sun 17/5

11:34-16:29

1 stop4h 55m

£177

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 23/6

05:30-13:38

1 stop8h 08m

Houston George Bush Intcntl

Mon 6/7

06:30-11:31

1 stop5h 01m

£185

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 28/4

20:58-23:48

Nonstop2h 50m

Houston George Bush Intcntl

Thu 30/4

18:12-23:54

1 stop5h 42m

£222

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 7/5

21:56-00:59

Nonstop3h 03m

Houston George Bush Intcntl

Sun 10/5

19:00-21:51

Nonstop2h 51m

£233
Fastest return journey

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 7/10

05:30-08:37

Nonstop3h 07m

Houston George Bush Intcntl

Sun 11/10

21:40-00:10

Nonstop2h 30m

£236

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 7/10

08:00-15:00

1 stop7h 00m

Houston George Bush Intcntl

Sun 11/10

05:25-10:28

1 stop5h 03m

£236

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 18/6

08:03-13:38

1 stop5h 35m

Houston George Bush Intcntl

Mon 6/7

14:43-20:32

1 stop5h 49m

£238

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sun 10/5

23:00-01:59

Nonstop2h 59m

Houston George Bush Intcntl

Fri 15/5

22:04-00:45

Nonstop2h 41m

£251

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 21 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 3 April 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 £42). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of £120). 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 10 April 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?

    United 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 5h 13m. 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%), Volaris (91%) or Republic Airways (90%) 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 £42). Flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of £120). 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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