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O'Hare Intl

$69+ Cheap flights from George Bush Intcntl (IAH) 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.
IAH — ORD
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Chicago O'Hare Intl are usually found in August or September, booked 63 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from George Bush Intcntl to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 June 18, 2025.

Round-trip from

$129
(Priceline)

One-way from

$70
(Priceline)

Popular in

December

Cheapest in

August

Average price

$217

Good round-trip deal

$250 or less

Good one-way deal

$114 or less
From Houston George Bush Intcntl to Chicago O'Hare Intl
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One-way flight from Houston George Bush Intcntl to Chicago O'Hare Intl
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Highest demand for flights based on searches. 8% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Chicago O'Hare Intl.
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Find flight deals from George Bush Intcntl to O'Hare Intl

Cheapest flights from George Bush Intcntl to O'Hare Intl
Explore the most affordable flight options available from George Bush Intcntl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Priceline deal was found by Cheapflights users on 6/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/115:15 amIAH - ORD
Nonstop2h 35mSpirit Airlines
Thu 7/179:10 pmORD - IAH
Nonstop2h 49mSpirit Airlines
Deal found 6/17$129
This Priceline deal was found by Cheapflights users on 6/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:05 amIAH - ORD
Nonstop2h 44mFrontier
Sun 8/176:30 amORD - IAH
Nonstop2h 50mFrontier
Deal found 6/17$131
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sun 7/1310:05 amIAH - ORD
Nonstop2h 44mMultiple Airlines
Tue 7/229:10 pmORD - IAH
Nonstop2h 49mMultiple Airlines
Deal found 6/17$132
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 7/166:01 amIAH - ORD
Nonstop2h 45mAmerican Airlines
Wed 7/239:50 amORD - IAH
Nonstop2h 42mAmerican Airlines
Deal found 6/18$195
This Delta deal was found by Cheapflights users on 6/18. 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.
Tue 10/77:15 amIAH - ORD
1 stop6h 58mDelta
Sat 10/117:00 amORD - IAH
1 stop7h 42mDelta
Deal found 6/18$217

Cheapflights Fare Finder

Customize your flight search to find flights from George Bush Intcntl 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 June 18, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

O'Hare Intl

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 7/11

5:15 am-7:50 am

Nonstop2h 35m

Chicago O'Hare Intl

Thu 7/17

9:10 pm-11:59 pm

Nonstop2h 49m

$129

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 8/15

10:05 am-12:49 pm

Nonstop2h 44m

Chicago O'Hare Intl

Sun 8/17

6:30 am-9:20 am

Nonstop2h 50m

$131

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 7/13

10:05 am-12:49 pm

Nonstop2h 44m

Chicago O'Hare Intl

Tue 7/22

9:10 pm-11:59 pm

Nonstop2h 49m

$132

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 7/16

6:22 pm-9:25 pm

Nonstop3h 03m

Chicago O'Hare Intl

Wed 7/23

6:55 am-9:32 am

Nonstop2h 37m

$195

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 9/2

5:20 am-10:20 am

1 stop5h 00m

Chicago O'Hare Intl

Thu 9/4

5:45 am-12:02 pm

1 stop6h 17m

$227

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 7/14

10:05 am-12:49 pm

Nonstop2h 44m

$69

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 7/13

5:15 am-7:50 am

Nonstop2h 35m

$71

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 7/19

6:40 pm-9:33 pm

Nonstop2h 53m

$89

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 7/15

5:59 pm-12:09 am

1 stop6h 10m

$122

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 7/10

5:46 pm-11:57 pm

1 stop6h 11m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 12 results
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The best insider tips for Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Chicago O'Hare Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer wider seats and more legroom.


Spirit's Wi-Fi plans allow streaming; book ahead for savings.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom, ideal for comfort on short flights.


United's Polaris Lounges offer showers and dining, enhancing pre-flight comfort.

Read more about United Airlinesby Harriet Baskas
Frontier

Frontier's UpFront Plus seats offer extra space and an empty middle seat.


Early check-in helps secure your spot on overbooked Frontier flights.

Read more about Frontierby Marisa Garcia
Airports
IAH

Check the IAH website for current security wait times to ensure a smooth departure experience.

Read more about IAHby Evie Carrick
ORD

For a quick city transfer, take the “L” train from ORD to downtown Chicago, avoiding traffic delays.

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 George Bush Intcntl to O'Hare Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to O'Hare Intl. Price data was last updated on June 13, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport is 63 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 George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Houston George Bush Intcntl Airport 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 IAH to ORD?

Find hourly flight availability from George Bush Intcntl 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 June 18, 2025.

When flying from Houston George Bush Intcntl Airport 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 76% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to O'Hare Intl. Price data was last updated on June 15, 2025.

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

Weekly flight availability from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

Explore weekly flight availability from George Bush Intcntl to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 18, 2025.

The most flights from IAH to ORD are scheduled on a Monday (64 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 18, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Houston to Chicago have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,066 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl Airport to Chicago O'Hare Intl Airport round-trip?

    Currently priced at $129, Spirit Airlines will fly you from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and American Airlines - these airlines can fly you to your destination from $131 and $195, respectively. Spirit Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $70 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from $71 and $89, respectively.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), Envoy Air (93%), Cathay Pacific( 86%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    On average you can expect to pay $732 for a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport. The cheapest flight overall is $67 while the most popular route, (Houston George Bush Intcntl - Chicago O'Hare Intl) is currently priced at $110.

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

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

  • How can I find direct flights from George Bush Intcntl 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 George Bush Intcntl to O'Hare Intl.

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

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Houston George Bush Intcntl Airport 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Merrillville
Bridgeview
Racine
Glenview
Des Plaines
Lake Geneva
Gurnee
Joliet

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Alternative routes for George Bush Intcntl to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to O'Hare Intl flights
Hobby to Midway flights
George Bush Intcntl to Midway flights
Hobby to Rockford flights

Top 4 airlines flying from George Bush Intcntl to O'Hare Intl

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$148FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$157FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$146Average$251FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$166Average$349FlexibilityNo cancel feeOn-time69%

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