O'Hare Intl

$92+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
Aug 23 — Aug 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/179:42 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Mon 8/242:41 pm
ORD
-
IAH
1 stop9h 59m
Frontier
Deal found 7/20$170
This Frontier deal was found by Cheapflights users on 7/19. 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 9/144:39 pm
IAH
-
ORD
1 stop7h 16m
Frontier
Thu 9/172:46 pm
ORD
-
IAH
Nonstop3h 01m
Frontier
Deal found 7/19$171
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.
Thu 8/2710:14 pm
IAH
-
ORD
1 stop15h 22m
Frontier
Mon 8/315:46 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 7/22$172
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:42 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Fri 8/215:46 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 7/23$173
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:37 pm
IAH
-
ORD
Nonstop3h 09m
American Airlines
Mon 8/318:00 am
ORD
-
IAH
Nonstop2h 44m
American Airlines
Deal found 7/22$174
This Frontier deal was found by Cheapflights users on 7/19. 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.
Sun 9/69:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Tue 9/88:45 am
ORD
-
IAH
Nonstop3h 11m
Frontier
Deal found 7/19$175
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.
Thu 8/209:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Sat 8/291:59 pm
ORD
-
IAH
1 stop8h 15m
Frontier
Deal found 7/22$176
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.
Mon 8/109:42 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Tue 8/252:41 pm
ORD
-
IAH
1 stop9h 59m
Frontier
Deal found 7/23$177
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.
Mon 8/109:42 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Sat 8/222:41 pm
ORD
-
IAH
1 stop9h 59m
Frontier
Deal found 7/23$178
This Trip.com deal was found by Cheapflights users on 7/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:45 pm
IAH
-
ORD
1 stop9h 23m
Frontier
Sat 8/298:45 am
ORD
-
IAH
Nonstop3h 11m
Frontier
Deal found 7/20$179
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:42 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Tue 8/258:45 am
ORD
-
IAH
Nonstop3h 11m
Frontier
Deal found 7/23$180
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.
Thu 8/2011:32 am
IAH
-
ORD
1 stop8h 27m
Frontier
Tue 8/258:45 am
ORD
-
IAH
Nonstop3h 11m
Frontier
Deal found 7/22$181

Find 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 July 24, 2026.

Round-trip from

$170
(Kiwi.com)

One-way from

$92
(Frontier)

Popular in

June

Cheapest in

February

Average price

$312
From Houston to Chicago O'Hare Intl
One-way flight from Houston to Chicago O'Hare Intl
Highest demand for flights based on searches. 28% potential increase in price ($92 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in July 2026

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 July 24, 2026.
Use the filters below to find and compare flights from Houston to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 11/5

5:20 am-1:01 pm

1 stop7h 41m

Chicago O'Hare Intl

Tue 11/10

3:50 pm-10:48 pm

1 stop6h 58m

$197

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 8/17

5:20 am-12:54 pm

1 stop7h 34m

Chicago O'Hare Intl

Mon 8/24

1:59 pm-11:52 pm

2 stops9h 53m

$202

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 8/11

10:50 am-8:30 pm

2 stops9h 40m

Chicago O'Hare Intl

Wed 8/12

1:50 pm-10:05 pm

1 stop8h 15m

$202

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 8/26

5:20 pm-11:57 pm

1 stop6h 37m

Chicago O'Hare Intl

Thu 8/27

1:50 pm-10:05 pm

1 stop8h 15m

$207

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 9/5

3:15 pm-11:57 pm

2 stops8h 42m

Chicago O'Hare Intl

Wed 9/9

8:55 am-5:34 pm

2 stops8h 39m

$208

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Sat 8/22

5:20 pm-11:57 pm

1 stop6h 37m

Chicago O'Hare Intl

Tue 8/25

11:22 am-10:05 pm

2 stops10h 43m

$208

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Thu 8/20

5:20 pm-11:57 pm

1 stop6h 37m

Chicago O'Hare Intl

Sat 8/22

11:22 am-9:23 pm

2 stops10h 01m

$208

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 8/13

5:20 am-10:42 am

1 stop5h 22m

Chicago O'Hare Intl

Thu 8/20

1:44 pm-11:52 pm

2 stops10h 08m

$212

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Mon 8/17

5:20 pm-11:57 pm

1 stop6h 37m

Chicago O'Hare Intl

Wed 8/26

8:48 am-4:25 pm

2 stops7h 37m

$212

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/26

10:21 am-8:30 pm

2 stops10h 09m

Chicago O'Hare Intl

Sat 8/29

6:59 am-3:55 pm

2 stops8h 56m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 38 resultsSorted by cheapest first
1
2
3
4

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

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

Currently, September is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $186). Flying from Houston to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $381). 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 July 24, 2026.

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 71% versus a flight at noon.

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

Airfare is below average for this route at the moment.
Houston to Chicago O'Hare Intl Airport flights typically cost between $202 and $358 in August.
The cheapest round-trip price found within the last 5 days was $170 on Frontier (Aug 17-Aug 24).

How often are flights from Houston to Chicago delayed?

About 12% of weekly flights between Houston and Chicago have experienced delays in the past year, with the average delay time being 160 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to Chicago flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

The best time to book flights from Houston to Chicago O'Hare Intl Airport is 78 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 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 August 31, 2025.

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

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

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.

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.

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.

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 July 24, 2026.
Read through reviews of airlines operating flights from Houston to Chicago O'Hare Intl Airport, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

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!

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

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!

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

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!

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

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 7h 41m. Fly via Delta to get the fastest option. Airlines will cover a distance of 926 mi.

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

    According to our current data, Frontier ($61), United Airlines ($158), and American Airlines ($176) offers the cheapest pricing from Houston to Chicago O'Hare Intl Airport. Frontier is currently priced 74% 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 $29. Users have also found prices from $84 and $90 on American 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, September is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $186). Flying from Houston to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $381). 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
Benton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Racine
Great Lakes
Janesville
Joliet

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Houston to O'Hare Intl

Discover the top 3 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$180FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$158Average$398FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$176Average$397FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.