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Find cheap flights from Chicago to Houston from £79

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to George Bush Intcntl departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 20/5
Mon 27/5

Search hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Houston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Houston, as well as popular online travel agencies
In the last 7 days, travellers have searched 44,212,662 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

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Cheap flight deals from Chicago to George Bush Intcntl (ORD-IAH)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to George Bush Intcntl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
12:10 - 15:04ORD-IAH
2h 54mdirect
21:56 - 00:32IAH-ORD
2h 36mdirect
£85Spirit Airlines
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Tue, 7 May - Sat, 11 May
22:00 - 11:04ORD-IAH
13h 04m1 stop
21:56 - 00:32IAH-ORD
2h 36mdirect
£107Spirit Airlines
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Tue, 7 May - Sat, 11 May
07:27 - 17:35ORD-IAH
10h 08m1 stop
21:56 - 00:32IAH-ORD
2h 36mdirect
£114Spirit Airlines
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Tue, 7 May - Sat, 11 May
06:00 - 08:50ORD-IAH
2h 50mdirect
05:00 - 07:48IAH-ORD
2h 48mdirect
£264United Airlines
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Sun, 19 May - Thu, 23 May
06:30 - 12:45ORD-IAH
6h 15m1 stop
11:15 - 16:25IAH-ORD
5h 10m1 stop
£288Southwest
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Sun, 19 May - Thu, 23 May
05:00 - 11:12ORD-IAH
6h 12m1 stop
21:35 - 00:13IAH-ORD
2h 38mdirect
£299United Airlines
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Sun, 19 May - Thu, 23 May
09:15 - 16:33ORD-IAH
7h 18m1 stop
05:20 - 12:35IAH-ORD
7h 15m1 stop
£379Delta
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Sat, 22 Jun - Tue, 25 Jun
10:15 - 18:04ORD-IAH
7h 49m1 stop
17:15 - 23:56IAH-ORD
6h 41m1 stop
£380Delta
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Fri, 21 Jun - Mon, 24 Jun
07:05 - 16:25ORD-IAH
9h 20m2 stops
15:16 - 21:41IAH-ORD
6h 25m1 stop
£524Delta
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Sat, 3 Aug - Mon, 5 Aug
10:17 - 17:44ORD-IAH
7h 27m2 stops
08:55 - 15:46IAH-ORD
6h 51m1 stop
£563American Airlines
Find Deal
Sun, 19 May - Thu, 23 May

Flights from Chicago to George Bush Intcntl - Travel Insights & Trends

Get data-powered insights and trends into flights from Chicago to George Bush Intcntl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is September, where tickets cost £160 on average. On the other hand, the most expensive months are March and July, where the average cost of tickets is £264 and £244 respectively.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 84 days before departure.

Which airlines provide the cheapest flights from Chicago to Houston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Chicago to Houston found by KAYAK users in the last 72 hours was for £85 on Spirit Airlines, followed by United Airlines (£264). One-way flight deals have also been found from as low as £79 on Delta and from £98 on United Airlines.

Which airlines fly most frequently between Chicago and Houston?

In normal times, United Airlines flies from Chicago to Houston up to 16 times per day, American Airlines up to 5 times per day, and Spirit Airlines up to 2 times per day.

How many flights are there between Chicago O'Hare Intl Airport and Houston George Bush Intcntl Airport per day?

Each day, there are between 23 and 26 nonstop flights that take off from Chicago O'Hare Intl Airport and land in Houston George Bush Intcntl Airport, with an average flight time of 2h 55m. The most common departure time is 08:00 and most flights take off in the morning. Each week, there are 169 flights. The most frequent day of departure is Sunday, when 15% of all weekly flights depart. The fewest flights depart on a Thursday.

Which cabin class options are there for flights between Chicago O'Hare Intl Airport and Houston George Bush Intcntl Airport?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 3 cabin class options for the route. These are First, Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Chicago to Houston take?

Direct flights take on average 2h 50m to travel the 926 miles between Chicago and Houston.

What’s the earliest departure time from Chicago to Houston?

Early birds can take the earliest flight from Chicago O'Hare Intl Airport at 06:00 and will be landing in Houston George Bush Intcntl Airport at 08:50.

What’s the latest departure time from Chicago to Houston?

If you prefer to fly at night, the latest flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport jets off at 21:37 and lands at 00:30.

Good to know - Cheap tickets from Chicago to Houston

Low season

January

High season

December

Cheapest flight

£79
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from Chicago to Houston

When to book flights from Chicago to George Bush Intcntl

Are your dates flexible? Find out the best times to travel from Chicago to George Bush Intcntl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Houston flights

  • What are the transport options from George Bush Intercontinental Airport (IAH)?

    A very quick and convenient way to travel from the airport to the downtown area utilizing public transportation is to travel on the line 102 bus operated by Metropolitan Transit Harris County, that can have travelers from the airport to the downtown area in around 50 minutes.

  • Are there shower facilities at George Bush Intercontinental Airport?

    Travelers will find that there are shower services available in the Centurion Lounge that has a location in Terminal D. There is also an Xpress Spa Location that sits near gate A17 and offers a great menu of spa services for tired travelers.

  • Are there any hotels at George Bush Intercontinental Airport?

    The Houston Airport Marriott at George Bush Intercontinental sits right adjacent to all the terminal buildings at the airport, and passengers can access this hotel after their flight using the complementary underground tram service. This hotel also offers a free shuttle service between its property and the terminal buildings at the airport.

  • Where are the car rental providers at George Bush Intercontinental Airport?

    Because this airport offers a rental car center that operates 24h per day, it is easy to find whichever rental car company you plan on using upon your arrival. Shuttle buses run from all of the terminal buildings at the airport about every 5 minutes, and you'll see clearly marked areas at each terminal building showing where shuttle buses make their stops.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport was £98 for a one-way ticket and £105 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Houston?

    Only American Airlines offers inflight Wi-Fi service on the Chicago to Houston flight route.

  • Which aircraft models fly most regularly from Chicago to Houston?

    The Boeing 737-800 is the aircraft model that flies most regularly on the Chicago to Houston flight route.

  • Which airline alliances offer flights from Chicago to Houston?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago and Houston, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Chicago to Houston?

    There are direct flights from Chicago to Houston on a daily basis.

  • How does KAYAK find such low prices on flights from Chicago to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Houston with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Chicago to Houston

  • Looking for a cheap flight from Houston to Chicago? 25% of our users found flights on this route for Houston or less round-trip.
  • When travelers are looking for a convenient way to get from the center of Chicago to the Chicago O'Hare International Airport (ORD), a fine choice is the Blue Line train operated by the Chicago Transit Authority, that makes this trip in around 42 minutes.
  • Travelers that plan on parking their own vehicle at the Chicago O'Hare International Airport will find that this airport offers a wide variety of parking choices, including the very convenient valet option right at the main terminal building drop-off point. Travelers that are looking for a more economical parking option should choose Economy Lots G, F, or H which offer a much lower rate for parking on a daily basis.
  • For those passengers traveling with a pet or a service animal through the Chicago O'Hare International Airport, it is good to know that this airport offers six animal relief areas, with four of the areas being outside and two being inside of the airport. The two indoor locations both sit within Terminal 3.
  • For moms who are nursing and traveling from the Chicago O'Hare International Airport, you will find that this airport offers 15 different nursing rooms and lactation pods throughout the airport facilities as well as at the multi-modal facility offsite from the airport.
  • Parents that are traveling with their children through the Chicago O'Hare International Airport will to know that the airport offers a family lounge in terminal two that provides a designated space where kids can play. There is also plenty of comfortable seating as well as charging stations, plus there is stroller parking as well. During certain times of the year, you will even find live entertainment in this area.
See more tips

Prefer to fly direct from Chicago to Houston?

Find which airlines fly direct from O'Hare Intl to George Bush Intcntl, which days they fly and book direct flights.

Direct departures

Chicago O'Hare Intl to Houston George Bush Intcntl

Monday

ANA, Aer Lingus, Air New Zealand, +17 more

ANA, Aer Lingus, +18 more

Tuesday

ANA, Aer Lingus, Air New Zealand, +18 more

ANA, Aer Lingus, +19 more

Wednesday

ANA, Aer Lingus, Air New Zealand, +18 more

ANA, Aer Lingus, +19 more

Thursday

ANA, Aer Lingus, Air New Zealand, +17 more

ANA, Aer Lingus, +18 more

Friday

ANA, Aer Lingus, Air New Zealand, +19 more

ANA, Aer Lingus, +20 more

Saturday

ANA, Aer Lingus, Air New Zealand, +19 more

ANA, Aer Lingus, +20 more

Sunday

ANA, Aer Lingus, Air New Zealand, +18 more

ANA, Aer Lingus, +19 more

See more direct flights

Direct returns

Houston George Bush Intcntl to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Air New Zealand, +17 more

ANA, Aer Lingus, +18 more

Tuesday

ANA, Aer Lingus, Air New Zealand, +18 more

ANA, Aer Lingus, +19 more

Wednesday

ANA, Aer Lingus, Air New Zealand, +18 more

ANA, Aer Lingus, +19 more

Thursday

ANA, Aer Lingus, Air New Zealand, +17 more

ANA, Aer Lingus, +18 more

Friday

ANA, Aer Lingus, Air New Zealand, +19 more

ANA, Aer Lingus, +20 more

Saturday

ANA, Aer Lingus, Air New Zealand, +19 more

ANA, Aer Lingus, +20 more

Sunday

ANA, Aer Lingus, Air New Zealand, +18 more

ANA, Aer Lingus, +19 more

See more direct flights
See more direct flights

Book cheap flights from Chicago to Houston

Cheapest flights to Houston from Chicago found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Chicago to Houston found on KAYAK in the last 72 hours.
4/5Sat
1 stopDelta
6h 58mORD-IAH
£79
4/5Sat
directUnited Airlines
3h 00mORD-IAH
£98
6/5Mon
1 stopDelta
5h 21mORD-IAH
£110
7/7Sun
directUnited Airlines
2h 45mORD-IAH
£117
12/7Fri
1 stopDelta
7h 39mORD-IAH
£118
6/5Mon
directUnited Airlines
2h 53mORD-IAH
£126
12/7Fri
directUnited Airlines
2h 45mORD-IAH
£142
4/5Sat
2 stopsSouthwest
27h 50mORD-IAH
£201
12/7Fri
2 stopsSouthwest
12h 40mORD-IAH
£222
4/5Sat
2 stopsAmerican Airlines
8h 57mORD-IAH
£661

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Last minute flights from Chicago to George Bush Intcntl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Chicago to Houston that are departing in the next 10 days.
22/4Mon
multi-stopSouthwest
4h 25mORD-IAH
25/4Thu
multi-stopSouthwest
5h 45mIAH-ORD
£392
21/4Sun
multi-stopSouthwest
8h 15mORD-IAH
25/4Thu
multi-stopSouthwest
10h 15mIAH-ORD
£409
22/4Mon
multi-stopUnited Airlines
6h 07mORD-IAH
25/4Thu
directUnited Airlines
2h 45mIAH-ORD
£417
21/4Sun
multi-stopDelta
7h 18mORD-IAH
25/4Thu
multi-stopDelta
5h 25mIAH-ORD
£468
21/4Sun
directUnited Airlines
2h 58mORD-IAH
25/4Thu
directUnited Airlines
2h 43mIAH-ORD
£484
21/4Sun
directUnited Airlines
2h 59mORD-IAH
25/4Thu
multi-stopUnited Airlines
8h 22mIAH-ORD
£491
22/4Mon
multi-stopSouthwest
14h 05mORD-IAH
25/4Thu
multi-stopSouthwest
8h 35mIAH-ORD
£495
22/4Mon
multi-stopSouthwest
10h 10mORD-IAH
25/4Thu
multi-stopSouthwest
28h 05mIAH-ORD
£540
22/4Mon
multi-stopSouthwest
21h 10mORD-IAH
25/4Thu
multi-stopSouthwest
28h 05mIAH-ORD
£615
21/4Sun
multi-stopDelta
7h 19mORD-IAH
25/4Thu
multi-stopDelta
9h 24mIAH-ORD
£615

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Chicago - Houston Flights

Departure:

Chicago (ORD)United States

Destination:

Houston (IAH)United States

Cabin classes:

£90

Browse origins:

  • Flights » 
  • Chicago O'Hare Airport

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Houston George Bush Airport