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O'Hare Intl

$57+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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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 April 17, 2026.

This Frontier deal was found by Cheapflights users on 4/12. 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.
Fri 6/129:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Sat 6/205:35 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Deal found 4/12$103
This Super.com deal was found by Cheapflights users on 4/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:54 pm
IAH
-
ORD
1 stop6h 12m
Frontier
Sat 5/94:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Deal found 4/12$104
This Priceline deal was found by Cheapflights users on 4/12. 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 5/187:15 am
IAH
-
ORD
Nonstop2h 39m
Multiple Airlines
Tue 5/194:05 pm
ORD
-
IAH
Nonstop3h 12m
Multiple Airlines
Deal found 4/12$107
This eDestinos deal was found by Cheapflights users on 4/12. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:29 am
IAH
-
ORD
1 stop15h 09m
Frontier
Sun 5/104:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Deal found 4/12$108
This Priceline deal was found by Cheapflights users on 4/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:58 pm
IAH
-
ORD
Nonstop2h 50m
Multiple Airlines
Tue 7/282:21 pm
ORD
-
IAH
Nonstop2h 51m
Multiple Airlines
Deal found 4/13$109
This Booking.com deal was found by Cheapflights users on 4/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Fri 5/227:52 pm
ORD
-
IAH
1 stop14h 04m
Frontier
Deal found 4/12$110
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Wed 5/138:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Sun 5/178:39 am
ORD
-
IAH
1 stop27h 55m
Frontier
Deal found 4/16$111
This Super.com deal was found by Cheapflights users on 4/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Mon 6/155:35 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Deal found 4/13$112
This WAYA deal was found by Cheapflights users on 4/13. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:06 pm
IAH
-
ORD
1 stop6h 33m
Frontier
Sat 5/94:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Deal found 4/13$113
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:50 pm
IAH
-
ORD
1 stop11h 05m
Frontier
Tue 5/194:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Deal found 4/14$114
This CheapOair deal was found by Cheapflights users on 4/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:16 pm
IAH
-
ORD
1 stop12h 08m
Multiple Airlines
Tue 5/54:05 pm
ORD
-
IAH
Nonstop3h 12m
Multiple Airlines
Deal found 4/13$115
This Priceline deal was found by Cheapflights users on 4/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:58 pm
IAH
-
ORD
1 stop9h 09m
Multiple Airlines
Mon 5/45:20 am
ORD
-
IAH
Nonstop3h 07m
Multiple Airlines
Deal found 4/14$116

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 April 17, 2026.

Round-trip from

$103
(Frontier)

One-way from

$57
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$256
From Houston to Chicago O'Hare Intl
Search Deals
One-way flight from Houston to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 17, 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

Wed 6/10

4:20 pm-10:13 pm

1 stop5h 53m

Chicago O'Hare Intl

Sun 6/14

6:30 am-1:18 pm

1 stop6h 48m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 6/1

3:25 pm-8:14 pm

1 stop4h 49m

Chicago O'Hare Intl

Wed 6/17

5:30 am-1:38 pm

1 stop8h 08m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 6/1

3:25 pm-8:14 pm

1 stop4h 49m

Chicago O'Hare Intl

Tue 6/2

6:24 am-1:20 pm

1 stop6h 56m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 5/19

2:20 pm-8:26 pm

1 stop6h 06m

Chicago O'Hare Intl

Tue 5/26

5:19 pm-10:16 pm

1 stop4h 57m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 5/30

5:20 am-10:29 am

1 stop5h 09m

Chicago O'Hare Intl

Mon 6/1

6:06 pm-11:54 pm

1 stop5h 48m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 6/2

2:45 pm-9:20 pm

1 stop6h 35m

Chicago O'Hare Intl

Fri 6/19

6:30 am-1:18 pm

1 stop6h 48m

$167

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 9/4

1:15 pm-9:20 pm

1 stop8h 05m

Chicago O'Hare Intl

Sun 9/6

8:55 am-2:39 pm

1 stop5h 44m

$206

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 6/3

3:25 pm-8:14 pm

1 stop4h 49m

Chicago O'Hare Intl

Sat 6/6

7:05 am-1:14 pm

1 stop6h 09m

$208

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 6/2

11:34 am-4:29 pm

1 stop4h 55m

Chicago O'Hare Intl

Mon 6/8

8:52 am-2:25 pm

1 stop5h 33m

$208

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 5/15

10:04 pm-12:45 am

Nonstop2h 41m

Chicago O'Hare Intl

Mon 5/18

9:56 pm-12:59 am

Nonstop3h 03m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 45 resultsSorted by cheapest first
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5

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 April 10, 2026.

The best time to book flights from Houston to Chicago O'Hare Intl Airport is 70 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, February is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $29). Flying from Houston to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $79). 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 April 17, 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 68% versus a flight at noon.

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 Thursday 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.

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

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 165 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?

Thursday 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 10% of flights being delayed.

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.

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 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 April 17, 2026.
Read through reviews of airlines operating flights from Houston to Chicago O'Hare Intl Airport, such as United Airlines,American Airlines, andSpirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,601 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,601 reviews
United Airlines
7.4
Good
9,601 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.1
Good
11,594 reviews
United Airlines
7.4
Good
9,601 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Spirit Airlines
6.3
Okay
8,616 reviews
United Airlines
7.4
Good
9,601 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.7
Fair
2,987 reviews
United Airlines
7.4
Good
9,601 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 5h 53m. Fly via Delta or Southwest to get the fastest option. Airlines will cover a distance of 926 mi. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($61), Spirit Airlines ($71), and United Airlines ($148) offers the cheapest pricing from Houston to Chicago O'Hare Intl Airport. Frontier is currently priced 72% 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 $28. Users have also found prices from $38 and $78 on Spirit Airlines and American 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, February is the cheapest month in which you can book a flight from Houston to Chicago O'Hare Intl Airport (average of $29). Flying from Houston to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $79). 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
Rosemont
Schaumburg
Lake Geneva
Gurnee
Naperville
Delavan
Downers Grove
Oakbrook Terrace
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Benton Harbor
Elk Grove Village
Elgin
Warrenville
Bridgeview
Great Lakes
Lansing

Browse thousands of different options on Cheapflights for your next trip

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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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$166FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$71Average$161FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$148Average$344FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$161Average$396FlexibilityNo cancel feeOn-time71%

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