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O'Hare Intl

$45+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — ORD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Houston to Chicago O'Hare Intl are usually found in September or June, booked 67 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 February 22, 2025.

Round-trip from

$82
(Cheapflightsfares)

One-way from

$45
(FlightHub)

Popular in

January

Cheapest in

September

Average price

$229
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. 14% potential increase in price ($35 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 February 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 February 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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 3/2310:58 pmIAH - ORD
Nonstop2h 40mSpirit Airlines
Wed 3/269:01 pmORD - IAH
Nonstop2h 58mSpirit Airlines
Deal found 2/21$82
This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:15 pmIAH - ORD
Nonstop2h 43mFrontier
Mon 5/1912:57 pmORD - IAH
Nonstop2h 57mFrontier
Deal found 2/22$84
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/412:40 pmIAH - ORD
1 stop11h 18mMultiple Airlines
Tue 3/116:25 amORD - IAH
Nonstop2h 59mMultiple Airlines
Deal found 2/20$85
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1110:36 amHOU - ORD
1 stop26h 41mFrontier
Sun 4/136:45 amORD - HOU
1 stop26h 47mFrontier
Deal found 2/21$145
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/246:25 amIAH - ORD
Nonstop2h 40mAmerican Airlines
Mon 4/281:22 pmORD - IAH
Nonstop2h 55mAmerican Airlines
Deal found 2/22$198
This Delta deal was found by Cheapflights users on 2/21. 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 3/2512:07 pmIAH - ORD
1 stop6h 48mDelta
Mon 4/75:00 pmORD - IAH
1 stop5h 07mDelta
Deal found 2/21$217
This Delta deal was found by Cheapflights users on 2/21. 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 3/186:00 amHOU - ORD
1 stop7h 45mDelta
Tue 3/255:30 pmORD - HOU
1 stop5h 36mDelta
Deal found 2/21$217
This Southwest deal was found by Cheapflights users on 2/21. 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.
Thu 3/136:05 amHOU - ORD
1 stop7h 00mSouthwest
Tue 3/186:00 amORD - HOU
2 stops10h 10mSouthwest
Deal found 2/21$222
This American Airlines deal was found by Cheapflights users on 2/21. 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 4/239:14 amHOU - ORD
1 stop5h 01mAmerican Airlines
Wed 4/306:45 pmORD - HOU
1 stop5h 11mAmerican Airlines
Deal found 2/21$257
This Sun Country Air deal was found by Cheapflights users on 2/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/172:59 pmHOU - ORD
1 stop28h 12mSun Country Air
Wed 7/238:10 pmORD - HOU
1 stop21h 26mSun Country Air
Deal found 2/20$295

Find flights from Houston to O'Hare Intl within your budget

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 February 22, 2025.

Fly from

Houston

Fly to

O'Hare Intl

Route

Depart

Return

Price

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sun 3/23

10:58 pm-1:38 am

Nonstop2h 40m

Chicago O'Hare Intl

Wed 3/26

9:01 pm-11:59 pm

Nonstop2h 58m

$82

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 5/16

8:15 pm-10:58 pm

Nonstop2h 43m

Chicago O'Hare Intl

Mon 5/19

12:57 pm-3:54 pm

Nonstop2h 57m

$84

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 3/4

11:24 am-2:09 pm

Nonstop2h 45m

Chicago O'Hare Intl

Tue 3/11

10:44 am-1:33 pm

Nonstop2h 49m

$85

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Fri 4/11

10:36 am-1:17 pm

1 stop26h 41m

Chicago O'Hare Intl

Sun 4/13

6:45 am-9:32 am

1 stop26h 47m

$145

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 4/24

6:25 am-9:05 am

Nonstop2h 40m

Chicago O'Hare Intl

Mon 4/28

1:22 pm-4:17 pm

Nonstop2h 55m

$198

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 3/25

12:07 pm-6:55 pm

1 stop6h 48m

Chicago O'Hare Intl

Mon 4/7

5:00 pm-10:07 pm

1 stop5h 07m

$217

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 3/18

6:00 am-1:45 pm

1 stop7h 45m

Chicago O'Hare Intl

Tue 3/25

5:30 pm-11:06 pm

1 stop5h 36m

$217

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Thu 3/13

6:05 am-1:05 pm

1 stop7h 00m

Chicago O'Hare Intl

Tue 3/18

6:00 am-4:10 pm

2 stops10h 10m

$222

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Wed 4/23

9:14 am-2:15 pm

1 stop5h 01m

Chicago O'Hare Intl

Wed 4/30

6:45 pm-11:56 pm

1 stop5h 11m

$257

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Thu 7/17

2:59 pm-7:11 pm

1 stop28h 12m

Chicago O'Hare Intl

Wed 7/23

8:10 pm-5:36 pm

1 stop21h 26m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 24 results
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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.

Travel insights for flights from Houston to O'Hare Intl

Get recent, data-driven insights about flights from Houston to O'Hare Intl including ideal travel times, pricing trends, and more.

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 February 14, 2025.

The best time to book flights from Houston to Chicago O'Hare Intl Airport is 67 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 February 22, 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 May 5, 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.

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 February 22, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Houston to Chicago. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,395 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.0
Very good
9,700 reviews
Southwest
8.1
Very good
4,395 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,395 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,395 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,395 reviews

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 ($82), Frontier ($84), and American Airlines ($198) offers the cheapest pricing from Houston to Chicago O'Hare Intl Airport. Spirit Airlines is currently priced 61% 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 Spirit Airlines. According to our data, you can fly for as low as $45. Users have also found prices from $49 and $99 on Frontier 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 Houston?

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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$46Average$133FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$62Average$150FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$140Average$332FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$144Average$245FlexibilityNo cancel feeOn-time71%
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