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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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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 9 January 2026.

Round-trip from

£106

One-way from

£39

Popular in

March

Cheapest in

August

Average price

£147

Good one-way deal

£126 or less
United Airlines
  • United Airlines
  • 12/2-17/2
  • Nonstop
  • 5h 40m total
  • Chicago to Houston
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Spirit Airlines
  • Spirit Airlines
  • 26/5
  • Nonstop
  • 3h 01m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£12 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Price to beat on a one-way flight from Chicago O'Hare Intl to Houston George Bush Intcntl.
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Find 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 9 January 2026.

Thu 12/221:15ORD - IAH
Nonstop2h 54mUnited Airlines
Tue 17/205:00IAH - ORD
Nonstop2h 46mUnited Airlines
Deal found 7/1£106
Sat 14/218:20ORD - IAH
Nonstop3h 03mUnited Airlines
Tue 17/205:00IAH - ORD
Nonstop2h 46mUnited Airlines
Deal found 8/1£112
Sat 7/215:53ORD - IAH
Nonstop3h 08mUnited Airlines
Sat 7/221:50IAH - ORD
Nonstop2h 38mUnited Airlines
Deal found 8/1£113
Sat 14/212:45ORD - IAH
Nonstop3h 03mUnited Airlines
Sat 14/221:50IAH - ORD
Nonstop2h 36mUnited Airlines
Deal found 8/1£125
Sat 31/107:35ORD - IAH
Nonstop3h 05mUnited Airlines
Tue 3/205:00IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 7/1£126
Fri 30/118:20ORD - IAH
Nonstop3h 08mUnited Airlines
Mon 2/207:20IAH - ORD
Nonstop2h 47mUnited Airlines
Deal found 7/1£141
Wed 4/320:10ORD - IAH
Nonstop3h 03mUnited Airlines
Sun 8/305:00IAH - ORD
Nonstop2h 46mUnited Airlines
Deal found 8/1£145
Thu 12/205:25ORD - IAH
1 stop6h 10mDelta
Mon 16/205:30IAH - ORD
1 stop7h 50mDelta
Deal found 8/1£146
Thu 12/206:30ORD - IAH
1 stop8h 44mDelta
Thu 19/216:25IAH - ORD
1 stop7h 31mDelta
Deal found 8/1£147
Wed 21/119:50ORD - IAH
Nonstop3h 08mUnited Airlines
Thu 29/108:23IAH - ORD
Nonstop2h 41mUnited Airlines
Deal found 7/1£149
Sat 9/517:15ORD - IAH
Nonstop3h 05mUnited Airlines
Tue 12/508:00IAH - ORD
Nonstop2h 44mUnited Airlines
Deal found 8/1£150
Fri 13/217:59ORD - IAH
1 stop6h 12mDelta
Mon 16/205:30IAH - ORD
1 stop7h 50mDelta
Deal found 8/1£154

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 9 January 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

O'Hare Intl

Fly to

George Bush Intcntl

Route

Depart

Return

Price

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 6/2

07:35-10:40

Nonstop3h 05m

Houston George Bush Intcntl

Mon 9/2

21:50-00:28

Nonstop2h 38m

£141

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 4/3

20:10-23:13

Nonstop3h 03m

Houston George Bush Intcntl

Sun 8/3

05:00-07:46

Nonstop2h 46m

£145

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 12/2

05:25-11:35

1 stop6h 10m

Houston George Bush Intcntl

Mon 16/2

05:30-13:20

1 stop7h 50m

£146

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 14/2

18:30-00:11

1 stop5h 41m

Houston George Bush Intcntl

Tue 17/2

15:08-20:44

1 stop5h 36m

£147

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 9/5

17:15-20:20

Nonstop3h 05m

Houston George Bush Intcntl

Tue 12/5

08:00-10:44

Nonstop2h 44m

£150

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 14/2

18:30-00:11

1 stop5h 41m

Houston George Bush Intcntl

Sun 15/2

06:38-11:45

1 stop5h 07m

£154

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Fri 13/2

17:59-00:11

1 stop6h 12m

Houston George Bush Intcntl

Mon 16/2

05:30-13:20

1 stop7h 50m

£154

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 18/2

18:20-21:23

Nonstop3h 03m

Houston George Bush Intcntl

Tue 24/2

21:50-00:26

Nonstop2h 36m

£158

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 19/2

20:10-23:13

Nonstop3h 03m

Houston George Bush Intcntl

Mon 23/2

21:50-00:26

Nonstop2h 36m

£158

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 21/2

07:35-10:38

Nonstop3h 03m

Houston George Bush Intcntl

Sat 21/2

18:35-21:28

Nonstop2h 53m

£169

Flights are sorted by cheapest return flights first.

Deals found on 8/1

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 2 January 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 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 9 January 2026.

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.

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 05m. Your travel time can differ by up to 3h 05m. 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 (93%), Envoy Air (91%) or Air New Zealand (80%) 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 £126. On average you can expect to pay £134. The most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), can usually be booked for £147.

  • 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.

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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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