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O'Hare Intl

$65+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
jul. 30 — ago. 61
mié. 7/30
mié. 8/6
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 julio 25, 2025.

Round-trip from

$116
(Kiwi.com)

One-way from

$65
(Frontier)

Popular in

April

Cheapest in

September

Average price

$245
From Houston to Chicago O'Hare Intl
Search Deals
One-way flight from Houston to Chicago O'Hare Intl
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Highest demand for flights based on searches. 4% potential increase in price ($10 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 July 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 julio 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
mar. 8/195:02 pmIAH - ORD
Nonstop2h 40mSpirit Airlines
mar. 8/268:47 pmORD - IAH
Nonstop2h 42mSpirit Airlines
Deal found 7/24$116
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
lun. 8/1810:05 amIAH - ORD
Nonstop2h 44mMultiple Airlines
jue. 10/238:56 pmORD - IAH
Nonstop2h 49mMultiple Airlines
Deal found 7/23$119
This Frontier deal was found by Cheapflights users on 7/22. 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.
jue. 8/1410:05 amIAH - ORD
Nonstop2h 44mFrontier
dom. 8/176:30 amORD - IAH
Nonstop2h 50mFrontier
Deal found 7/22$120
This Southwest deal was found by Cheapflights users on 7/24. 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.
jue. 8/215:40 amHOU - ORD
1 stop7h 05mSouthwest
jue. 8/283:10 pmORD - HOU
1 stop8h 15mSouthwest
Deal found 7/24$177
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/226:34 pmHOU - ORD
1 stop5h 22mDelta
sáb. 8/239:47 amORD - HOU
1 stop7h 52mDelta
Deal found 7/24$234
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/276:00 amHOU - ORD
1 stop6h 22mAmerican Airlines
sáb. 8/3011:54 amORD - HOU
1 stop8h 05mAmerican Airlines
Deal found 7/23$241
This Sun Country Air deal was found by Cheapflights users on 7/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/215:53 pmHOU - ORD
1 stop18h 39mSun Country Air
jue. 8/283:37 pmORD - HOU
1 stop19h 54mSun Country Air
Deal found 7/24$262

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 julio 25, 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

mar. 8/19

5:02 pm-7:42 pm

Nonstop2h 40m

Chicago O'Hare Intl

mar. 8/26

8:47 pm-11:29 pm

Nonstop2h 42m

$116

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

lun. 8/18

5:02 pm-7:42 pm

Nonstop2h 40m

Chicago O'Hare Intl

sáb. 10/25

12:47 pm-3:47 pm

Nonstop3h 00m

$119

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

vie. 8/15

10:05 am-12:49 pm

Nonstop2h 44m

Chicago O'Hare Intl

lun. 8/18

6:30 am-9:20 am

Nonstop2h 50m

$122

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

jue. 8/21

5:40 am-12:45 pm

1 stop7h 05m

Chicago O'Hare Intl

lun. 8/25

5:45 pm-10:40 pm

1 stop4h 55m

$177

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

vie. 8/22

6:34 pm-11:56 pm

1 stop5h 22m

Chicago O'Hare Intl

sáb. 8/23

9:47 am-5:39 pm

1 stop7h 52m

$234

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

mié. 8/27

10:14 am-2:47 pm

1 stop4h 33m

Chicago O'Hare Intl

sáb. 8/30

11:54 am-7:59 pm

1 stop8h 05m

$241

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

jue. 8/28

4:22 pm-7:17 pm

Nonstop2h 55m

$65

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

jue. 8/14

6:40 am-4:26 pm

1 stop9h 46m

$66

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

mié. 8/13

8:00 am-4:26 pm

1 stop8h 26m

$75

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

lun. 9/1

6:00 am-8:45 am

Nonstop2h 45m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 16 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 July 18, 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 julio 25, 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.

How much does it cost to fly round-trip from Houston to Chicago O'Hare Intl Airport?

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 julio 25, 2025.
Read through reviews of airlines operating flights from Houston to Chicago O'Hare Intl Airport, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,967 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,876 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,235 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    According to our current data, Spirit Airlines ($116), Frontier ($120), and Southwest ($177) offers the cheapest pricing from Houston to Chicago O'Hare Intl Airport. Spirit Airlines is currently priced 47% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $65. Users have also found prices from $66 and $79 on Spirit Airlines and United Airlines, respectively.

  • 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
Beloit
Hoffman Estates
Skokie
Naperville
Arlington Heights
Des Plaines
Elgin
Orland Park
Elk Grove Village
Racine
Rockford
Tinley Park
Merrillville
Evanston
Lake Geneva
Gurnee
Joliet
Waukegan

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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 julio 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$168FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$168FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$157Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$172Average$351FlexibilityNo cancel feeOn-time69%

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