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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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAH
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Houston George Bush Intcntl are usually found in August or September, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 4 July 2025.

Round-trip from

£101

One-way from

£58

Popular in

March

Cheapest in

August

Average price

£156

Good one-way deal

£38 or less
Spirit Airlines
  • Spirit Airlines
  • 18/8-21/8
  • 1 total stop
  • 13h 39m total
  • Chicago to Houston
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United Airlines
  • United Airlines
  • 24/11
  • Nonstop
  • 2h 51m total
  • Chicago to Houston
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£19 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).
Search Deals
Average for round-trip flights in July 2025
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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

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 4 July 2025.

Mon 18/811:21ORD - IAH
1 stop10h 59mSpirit Airlines
Thu 21/817:02IAH - ORD
Nonstop2h 40mSpirit Airlines
Deal found 3/7£101
Thu 7/807:10ORD - IAH
Nonstop2h 45mAmerican Airlines
Thu 7/818:24IAH - ORD
Nonstop3h 01mAmerican Airlines
Deal found 2/7£155
Thu 24/721:50ORD - IAH
Nonstop2h 50mUnited Airlines
Fri 25/721:32IAH - ORD
Nonstop2h 43mUnited Airlines
Deal found 2/7£156
Mon 15/911:08ORD - IAH
1 stop6h 26mDelta
Tue 23/905:20IAH - ORD
1 stop4h 59mDelta
Deal found 3/7£159
Sat 13/914:07ORD - IAH
2 stops16h 17mAlaska Airlines
Sat 20/906:00IAH - ORD
2 stops18h 04mAlaska Airlines
Deal found 3/7£310

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 4 July 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

Mon 18/8

11:21-22:20

1 stop10h 59m

Houston George Bush Intcntl

Thu 21/8

17:02-19:42

Nonstop2h 40m

£101

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 7/8

07:10-09:55

Nonstop2h 45m

Houston George Bush Intcntl

Thu 7/8

18:24-21:25

Nonstop3h 01m

£155

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 24/7

21:50-00:40

Nonstop2h 50m

Houston George Bush Intcntl

Fri 25/7

21:32-00:15

Nonstop2h 43m

£156

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 15/9

11:08-17:34

1 stop6h 26m

Houston George Bush Intcntl

Tue 23/9

05:20-10:19

1 stop4h 59m

£159

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 13/9

14:07-06:24

2 stops16h 17m

Houston George Bush Intcntl

Sat 20/9

06:00-00:04

2 stops18h 04m

£310

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 24/11

21:08-23:59

Nonstop2h 51m

£58

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 9/9

06:00-16:48

1 stop10h 48m

£64

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 2/12

08:55-14:42

1 stop5h 47m

£80

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 1/11

07:00-23:59

2 stops16h 59m

£159

Flights are sorted by cheapest return flights first.

Deals found on 3/7

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 27 June 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is 49 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 4 July 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 37% on flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport by exploring options for tickets in the morning.

Weekly flight availability from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport

Explore weekly flight availability from O'Hare Intl to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

The most flights from ORD to IAH are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated 4 July 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport, such as Alaska Airlines, Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,982 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,844 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,086 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport round-trip?

    Spirit Airlines, at £101, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport.Alternate airlines flying return to your destination include American Airlines and United Airlines. Spirit Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • 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 £58 on United Airlines. Other airlines that offer cheap prices include Spirit Airlines from £64 and Delta from £80 one-way.

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

    Consider SkyWest Airlines (100%), Avianca (83%) or ANA (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.

  • 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 £35. On average you can expect to pay £40. The most popular route, (Chicago O'Hare Intl - Houston George Bush Intcntl), can usually be booked for £95.

  • 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl 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?

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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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