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$54+ Cheap flights from O'Hare Intl (ORD) to Houston

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HOU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Houston are usually found in February or September, booked 65 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from O'Hare Intl to Houston

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Houston (HO1). 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 September 11, 2025.

Round-trip from

$86
(Frontier)

One-way from

$54
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$157
From Chicago O'Hare Intl to Houston
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One-way flight from Chicago O'Hare Intl to Houston
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Highest demand for flights based on searches. 8% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from O'Hare Intl to Houston

Cheapest flights from O'Hare Intl to Houston
Explore the most affordable flight options available from O'Hare Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:14 pmORD - IAH
Nonstop2h 57mFrontier
Fri 10/1710:12 pmIAH - ORD
Nonstop2h 32mFrontier
Deal found 9/10$86
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Wed 10/81:09 pmIAH - ORD
1 stop10h 36mSpirit Airlines
Deal found 9/10$88
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:35 amORD - IAH
Nonstop2h 45mSpirit Airlines
Sat 11/154:29 pmIAH - ORD
Nonstop2h 47mSpirit Airlines
Deal found 9/10$90
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mMultiple Airlines
Mon 10/67:55 pmIAH - ORD
Nonstop2h 48mMultiple Airlines
Deal found 9/10$91
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:03 pmORD - IAH
Nonstop3h 07mFrontier
Sat 10/115:28 pmIAH - ORD
Nonstop2h 46mFrontier
Deal found 9/10$92
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:14 pmORD - IAH
Nonstop2h 57mFrontier
Sun 10/269:54 pmIAH - ORD
Nonstop2h 32mFrontier
Deal found 9/10$93
This Flighttix deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Sun 10/55:20 pmIAH - ORD
Nonstop2h 43mSpirit Airlines
Deal found 9/10$94
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:35 amORD - IAH
1 stop7h 32mMultiple Airlines
Sat 10/185:28 pmIAH - ORD
Nonstop2h 46mMultiple Airlines
Deal found 9/10$95
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:14 pmORD - IAH
Nonstop2h 57mMultiple Airlines
Wed 10/151:09 pmIAH - ORD
1 stop10h 36mMultiple Airlines
Deal found 9/10$96
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:03 pmORD - IAH
Nonstop3h 07mFrontier
Mon 9/298:00 pmIAH - ORD
Nonstop2h 45mFrontier
Deal found 9/10$97
This Priceline deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:56 pmORD - IAH
Nonstop2h 49mMultiple Airlines
Mon 9/298:00 pmIAH - ORD
Nonstop2h 45mMultiple Airlines
Deal found 9/9$98
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Tue 10/71:09 pmIAH - ORD
1 stop10h 36mSpirit Airlines
Deal found 9/10$99

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Houston 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Houston that are best for you.

Fly from

O'Hare Intl

Fly to

Houston

Route

Depart

Return

Price

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 10/29

7:22 am-10:06 am

Nonstop2h 44m

Houston George Bush Intcntl

Sat 11/1

6:59 pm-9:49 pm

Nonstop2h 50m

$133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 10/11

7:10 am-10:03 am

Nonstop2h 53m

Houston George Bush Intcntl

Tue 10/14

5:00 am-7:50 am

Nonstop2h 50m

$133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 10/11

5:50 pm-8:44 pm

Nonstop2h 54m

Houston George Bush Intcntl

Wed 10/15

6:30 am-9:21 am

Nonstop2h 51m

$133

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 10/15

3:12 pm-9:03 pm

1 stop5h 51m

Houston George Bush Intcntl

Sun 10/19

9:54 pm-12:26 am

Nonstop2h 32m

$138

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 9/27

8:56 pm-11:45 pm

Nonstop2h 49m

Houston George Bush Intcntl

Sun 9/28

7:57 am-10:42 am

Nonstop2h 45m

$139

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 9/25

8:56 pm-11:45 pm

Nonstop2h 49m

Houston George Bush Intcntl

Sat 9/27

5:05 pm-7:50 pm

Nonstop2h 45m

$139

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 9/25

11:36 am-8:15 pm

1 stop8h 39m

Houston George Bush Intcntl

Sat 9/27

6:02 am-4:45 pm

1 stop10h 43m

$146

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 9/27

12:22 pm-9:52 pm

1 stop9h 30m

Houston George Bush Intcntl

Sun 9/28

5:04 pm-4:51 pm

1 stop23h 47m

$146

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Mon 11/24

7:35 am-10:20 am

Nonstop2h 45m

Houston George Bush Intcntl

Thu 11/27

4:29 pm-7:16 pm

Nonstop2h 47m

$148

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 10/23

9:05 pm-11:59 pm

Nonstop2h 54m

Houston George Bush Intcntl

Tue 10/28

8:30 pm-11:10 pm

Nonstop2h 40m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 39 results
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The best insider tips for Chicago O'Hare Intl Airport to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Houston trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for short flights.


Spirit's self-service bag drop saves time; print your boarding pass in advance.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom, ideal for added comfort on short flights.


United's MileagePlus allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.


Frontier's Economy Bundle includes carry-on, seat selection, and no change fees.

Read more about Frontierby Marisa Garcia
Airports
ORD

For a quick departure, use the free shuttle train between terminals at ORD, especially if your flight is with United.

Read more about ORDby Ramsey Qubein
IAH

Upon arrival at IAH, consider Uber or Lyft for a quick 25-minute ride to downtown Houston from Terminals A, B, or C.

Read more about IAHby Evie Carrick
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more

Best time to book a flight from O'Hare Intl to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from O'Hare Intl with our price prediction graph.
Estimated round-trip 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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Houston. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Houston, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Houston?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Houston (average of $230). Flying from Chicago O'Hare Intl Airport to Houston in March is currently the most expensive (average of $331). 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 HOU?

Find hourly flight availability from O'Hare Intl to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Chicago O'Hare Intl Airport to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight in the afternoon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Houston?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Houston flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Houston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Houston. 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?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Houston in 2h 44m. Fly via American Airlines, United Airlines, or Frontier to get the fastest option. Airlines will cover a distance of 926 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Frontier is currently your cheapest option to Houston, with prices starting at $62. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $74 and $157, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Houston for 72% less than the average price by searching for these airlines.

  • Can I find deals for flights from O'Hare Intl to Houston that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Houston?

    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 Houston.

  • Can I find deals for business class flights from O'Hare Intl to Houston?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Houston 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?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Houston (average of $230). Flying from Chicago O'Hare Intl Airport to Houston in March is currently the most expensive (average of $331). 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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Alternative routes for O'Hare Intl to Houston

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Top 5 airlines flying from O'Hare Intl to Houston

Discover the top 5 airlines that operate flights from O'Hare Intl to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$159FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$74Average$166FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$157Average$263FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$173Average$380FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$225Average$362FlexibilityNo cancel feeOn-time63%

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