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$57+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HOU
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap 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 March 17, 2026.

This Frontier deal was found by Cheapflights users on 3/16. 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.
Mon 5/45:20 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Thu 5/78:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Deal found 3/16$114
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Tue 4/218:25 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Tue 4/286:10 am
IAH
-
ORD
1 stop10h 50m
Frontier
Deal found 3/16$115
This Frontier deal was found by Cheapflights users on 3/16. 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.
Tue 5/54:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Sun 5/108:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Deal found 3/16$118
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Fri 5/16:16 pm
ORD
-
IAH
Nonstop2h 54m
Multiple Airlines
Thu 5/78:12 pm
IAH
-
ORD
Nonstop2h 49m
Multiple Airlines
Deal found 3/16$119
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/186:16 pm
ORD
-
IAH
Nonstop2h 54m
Multiple Airlines
Sat 4/2511:32 am
IAH
-
ORD
Nonstop2h 50m
Multiple Airlines
Deal found 3/14$121
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/113:21 pm
ORD
-
IAH
Nonstop2h 53m
Multiple Airlines
Tue 4/1412:27 pm
IAH
-
ORD
Nonstop2h 50m
Multiple Airlines
Deal found 3/16$122
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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.
Fri 4/246:16 pm
ORD
-
IAH
Nonstop2h 54m
Spirit Airlines
Wed 4/292:29 pm
IAH
-
ORD
Nonstop2h 42m
Spirit Airlines
Deal found 3/13$123
This Frontier deal was found by Cheapflights users on 3/15. 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.
Thu 4/235:20 am
ORD
-
IAH
Nonstop3h 07m
Frontier
Tue 4/2812:27 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 3/15$124
This Kiwi.com deal was found by Cheapflights users on 3/17. 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.
Fri 5/16:16 pm
ORD
-
IAH
Nonstop2h 54m
Spirit Airlines
Sun 5/32:29 pm
IAH
-
ORD
Nonstop2h 42m
Spirit Airlines
Deal found 3/17$125
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/113:21 pm
ORD
-
IAH
Nonstop2h 53m
Multiple Airlines
Fri 4/179:23 am
IAH
-
ORD
Nonstop2h 50m
Multiple Airlines
Deal found 3/16$126
This Priceline deal was found by Cheapflights users on 3/16. 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.
Tue 4/144:51 pm
ORD
-
IAH
1 stop6h 58m
Multiple Airlines
Tue 4/2112:27 pm
IAH
-
ORD
Nonstop2h 50m
Multiple Airlines
Deal found 3/16$127
This Southwest deal was found by Cheapflights users on 3/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:55 pm
ORD
-
HOU
1 stop6h 30m
Southwest
Sat 4/256:10 am
HOU
-
ORD
1 stop8h 20m
Southwest
Deal found 3/13$217

Find 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 March 17, 2026.

Round-trip from

$114
(Frontier)

One-way from

$57
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$296
From Chicago O'Hare Intl to Houston
Search Deals
One-way flight from Chicago O'Hare Intl to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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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 March 17, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 4/21

8:15 pm-11:21 pm

Nonstop3h 06m

Houston George Bush Intcntl

Tue 4/28

7:20 am-10:05 am

Nonstop2h 45m

$217

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Wed 4/15

11:55 am-4:50 pm

1 stop4h 55m

Houston Hobby

Sat 4/18

7:15 am-11:30 am

1 stop4h 15m

$217

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Sat 4/25

7:00 am-5:10 pm

1 stop10h 10m

Houston Hobby

Tue 4/28

6:00 am-11:10 am

1 stop5h 10m

$217

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Sat 4/18

2:05 pm-7:35 pm

1 stop5h 30m

Houston Hobby

Sat 4/25

5:35 am-11:30 am

1 stop5h 55m

$217

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Sat 5/16

12:55 pm-7:25 pm

1 stop6h 30m

Houston Hobby

Tue 5/19

6:00 am-12:50 pm

2 stops6h 50m

$222

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Wed 4/15

5:15 am-12:40 pm

1 stop7h 25m

Houston Hobby

Wed 4/22

1:31 pm-6:35 pm

1 stop5h 04m

$237

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 4/18

8:15 am-1:51 pm

1 stop5h 36m

Houston George Bush Intcntl

Sun 4/26

5:20 am-10:19 am

1 stop4h 59m

$257

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Wed 4/8

2:40 pm-7:55 pm

1 stop5h 15m

Houston Hobby

Wed 4/15

6:00 am-12:50 pm

2 stops6h 50m

$262

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Sat 5/16

9:56 pm-12:59 am

Nonstop3h 03m

Houston George Bush Intcntl

Wed 5/20

7:35 am-10:20 am

Nonstop2h 45m

$267

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Fri 5/15

3:05 pm-11:30 pm

1 stop8h 25m

Houston Hobby

Mon 5/18

6:00 am-1:15 pm

2 stops7h 15m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 43 resultsSorted by cheapest first
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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 March 13, 2026.

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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Houston (average of $57). Flying from Chicago O'Hare Intl Airport to Houston in June is currently the most expensive (average of $128). 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 March 17, 2026.

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 evening, which can drop the price by up to 37% versus a flight at noon.

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 July 13, 2025.

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

How often are flights from Chicago to Houston delayed?

About 13% of weekly flights between Chicago and Houston have experienced delays in the past year, with the average delay time being 56 minutes.

What is the most punctual flight time for Chicago to Houston flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

The best insider tips for Chicago O'Hare Intl Airport to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Houston trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

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
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

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
Marisa Garcia

Marisa Garcia

Expert on Frontier

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

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 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

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 March 17, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican 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
4,320 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
4,320 reviews
Southwest
8.0
Very good
4,320 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
9,431 reviews
Southwest
8.0
Very good
4,320 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
7.1
Good
11,466 reviews
Southwest
8.0
Very good
4,320 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
8,520 reviews
Southwest
8.0
Very good
4,320 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
5.7
Fair
3,027 reviews
Southwest
8.0
Very good
4,320 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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 3h 06m. Fly via United Airlines, Southwest, or Delta 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 $57. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and United Airlines, with the lowest prices starting at $72 and $134, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Houston for 75% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Houston one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $48. Users have also found prices from $49 and $78 on Frontier and American Airlines, respectively.

  • 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Houston (average of $57). Flying from Chicago O'Hare Intl Airport to Houston in June is currently the most expensive (average of $128). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$171FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$72Average$160FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$134Average$323FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$261FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$225Average$270FlexibilityNo cancel feeOn-time63%

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