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O'Hare Intl

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

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.
HOU — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Chicago O'Hare Intl are usually found in September or October, booked 84 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Houston to O'Hare Intl

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

$90
(Cheapflightsfares)

One-way from

$54
(Cheapflightsfares)

Popular in

April

Cheapest in

September

Average price

$179
From Houston to Chicago O'Hare Intl
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One-way flight from Houston to Chicago O'Hare Intl
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Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 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 Houston to O'Hare Intl

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

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.
Wed 10/110:23 amIAH - ORD
Nonstop2h 46mSpirit Airlines
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Deal found 9/10$90
This Priceline deal was found by Cheapflights users on 9/11. 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 10/45:05 pmIAH - ORD
Nonstop2h 45mMultiple Airlines
Mon 10/64:03 pmORD - IAH
Nonstop3h 07mMultiple Airlines
Deal found 9/11$91
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Tue 9/3010:23 amIAH - ORD
Nonstop2h 46mSpirit Airlines
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Deal found 9/11$92
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:28 pmIAH - ORD
Nonstop2h 46mFrontier
Mon 10/206:00 amORD - IAH
Nonstop2h 51mFrontier
Deal found 9/9$93
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:00 pmIAH - ORD
Nonstop2h 45mFrontier
Sat 10/111:14 pmORD - IAH
Nonstop2h 57mFrontier
Deal found 9/9$97
This Frontier deal was found by Cheapflights users on 9/11. 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 10/115:28 pmIAH - ORD
Nonstop2h 46mFrontier
Mon 10/206:00 amORD - IAH
Nonstop2h 51mFrontier
Deal found 9/11$98
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.
Mon 9/298:00 pmIAH - ORD
Nonstop2h 45mMultiple Airlines
Tue 9/302:04 pmORD - IAH
Nonstop2h 46mMultiple Airlines
Deal found 9/9$99
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.
Tue 9/3010:23 amIAH - ORD
Nonstop2h 46mSpirit Airlines
Wed 10/111:57 amORD - IAH
1 stop10h 45mSpirit Airlines
Deal found 9/10$100
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 9/225:05 pmIAH - ORD
Nonstop2h 45mSpirit Airlines
Sat 10/411:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Deal found 9/10$101
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Wed 10/110:23 amIAH - ORD
Nonstop2h 46mSpirit Airlines
Fri 10/311:37 amORD - IAH
Nonstop2h 43mSpirit Airlines
Deal found 9/11$102
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:45 amHOU - ORD
1 stop7h 40mSouthwest
Wed 10/157:30 amORD - HOU
1 stop6h 10mSouthwest
Deal found 9/9$153
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:45 amHOU - ORD
1 stop8h 15mSouthwest
Thu 10/234:20 pmORD - HOU
1 stop5h 10mSouthwest
Deal found 9/10$169

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to O'Hare Intl 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 Houston to Chicago O'Hare Intl Airport that are best for you.

Fly from

Houston

Fly to

O'Hare Intl

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 10/30

9:37 pm-12:12 am

Nonstop2h 35m

Chicago O'Hare Intl

Sun 11/2

7:05 am-2:36 pm

1 stop7h 31m

$140

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 9/28

7:57 am-10:42 am

Nonstop2h 45m

Chicago O'Hare Intl

Thu 10/2

10:27 am-5:54 pm

1 stop7h 27m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 10/10

9:35 pm-12:14 am

Nonstop2h 39m

Chicago O'Hare Intl

Sat 10/18

7:10 am-10:03 am

Nonstop2h 53m

$181

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 11/5

7:15 am-12:15 pm

1 stop5h 00m

Chicago O'Hare Intl

Thu 11/6

3:45 pm-10:30 pm

1 stop6h 45m

$185

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 10/21

5:45 am-2:00 pm

1 stop8h 15m

Chicago O'Hare Intl

Thu 10/23

5:45 pm-10:35 pm

1 stop4h 50m

$185

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 12/14

7:20 am-10:02 am

Nonstop2h 42m

Chicago O'Hare Intl

Mon 12/22

9:23 pm-12:30 am

Nonstop3h 07m

$197

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 10/22

6:00 am-10:45 am

1 stop4h 45m

Chicago O'Hare Intl

Mon 10/27

4:20 pm-9:30 pm

1 stop5h 10m

$200

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Fri 10/17

4:00 pm-9:30 pm

1 stop5h 30m

Chicago O'Hare Intl

Mon 10/20

5:45 pm-10:35 pm

1 stop4h 50m

$201

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Fri 10/3

5:15 pm-11:05 pm

1 stop5h 50m

Chicago O'Hare Intl

Sat 10/4

7:00 am-5:05 pm

2 stops10h 05m

$206

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 10/21

6:30 am-9:21 am

Nonstop2h 51m

Chicago O'Hare Intl

Thu 10/23

9:05 pm-11:59 pm

Nonstop2h 54m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 44 results
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The best insider tips for Houston to Chicago O'Hare Intl Airport 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 Houston to Chicago O'Hare Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, perfect for added comfort on short flights.


Spirit's self-service bag drop saves time; print your boarding pass to avoid extra fees.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom and priority boarding, ideal for quick domestic flights.


United's Polaris Lounges in Chicago offer showers, napping areas, and dining for premium passengers.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat, enhancing comfort on short flights.


Frontier's Discount Den offers Kids Fly Free and lowest fares, ideal for family travel.

Read more about Frontierby Marisa Garcia
Airports
IAH

Check security wait times on the IAH website to ensure a smooth departure from Houston.

Read more about IAHby Evie Carrick
ORD

Use the 'L' train for a reliable and efficient way to reach downtown Chicago from ORD.

Read more about ORDby Ramsey Qubein
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 Houston to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Houston 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 Houston to Chicago O'Hare Intl Airport

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

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

The best time to book flights from Houston to Chicago O'Hare Intl Airport is 84 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 Houston to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $245). Flying from Houston to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 HOU to ORD?

Find hourly flight availability from Houston to O'Hare Intl. 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 Houston to Chicago O'Hare Intl Airport, 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 26% versus a flight in the afternoon.

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

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

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

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Houston to Chicago O'Hare Intl Airport, such as United Airlines, American Airlines, and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Spirit Airlines
6.3
Okay
8,023 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Frontier
5.8
Fair
3,177 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

    There are many flights that can get you from Houston to Chicago O'Hare Intl Airport in 2h 35m. Fly via Frontier, Spirit Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 926 mi. All flights are typically nonstop.

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

    According to our current data, Spirit Airlines ($65), Frontier ($72), and American Airlines ($161) offers the cheapest pricing from Houston to Chicago O'Hare Intl Airport. Spirit Airlines is currently priced 70% below the average price you’ll pay for this route.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to O'Hare Intl.

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

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

    Currently, August is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $245). Flying from Houston to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling 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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Houston to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to O'Hare Intl

Discover the top 4 airlines that operate flights from Houston to O'Hare Intl. 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
Spirit AirlinesCheapest$65Average$169FlexibilityNo cancel feeOn-time65%
FrontierCheapest$72Average$181FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$161Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$175Average$355FlexibilityNo cancel feeOn-time69%

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