Houston

$48+ Cheap flights from Chicago (CHI) to Houston

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HOU
apr 9 — apr 161
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Cheapflights Tip: The best prices from Chicago to Houston are usually found in August or October, booked 35 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Chicago to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Houston (HO1). 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 aprile 4, 2025.

Round-trip from

$98
(CheapOair)

One-way from

$48
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$187
From Chicago (CHI) to Houston
One-way flight from Chicago (CHI) to Houston
Highest demand for flights based on searches. 11% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Chicago to Houston

Cheapest flights from Chicago to Houston
Explore the most affordable flight options available from Chicago to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on aprile 4, 2025.

This CheapOair deal was found by Cheapflights users on 4/3. 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.
mer 5/1412:21 pmMDW - IAH
Nonstop2h 57mFrontier
mer 5/2110:40 amIAH - MDW
Nonstop2h 37mFrontier
Deal found 4/3$98
This Cheapflightsfares deal was found by Cheapflights users on 4/4. 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.
ven 5/29:04 pmORD - IAH
Nonstop2h 50mMultiple Airlines
ven 5/91:14 pmIAH - ORD
Nonstop2h 43mMultiple Airlines
Deal found 4/4$106
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
dom 5/46:00 amORD - IAH
Nonstop2h 53mFrontier
dom 5/111:14 pmIAH - ORD
Nonstop2h 43mFrontier
Deal found 4/4$107
This Mytrip deal was found by Cheapflights users on 4/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 5/29:04 pmORD - IAH
Nonstop2h 50mSpirit Airlines
dom 5/45:00 amIAH - ORD
Nonstop2h 40mSpirit Airlines
Deal found 4/3$109
This Southwest deal was found by Cheapflights users on 4/3. 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.
sab 5/35:20 pmMDW - HOU
Nonstop2h 40mSouthwest
sab 5/108:20 amHOU - MDW
Nonstop2h 25mSouthwest
Deal found 4/3$177
This American Airlines deal was found by Cheapflights users on 4/4. 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.
mer 4/308:25 pmORD - IAH
Nonstop3h 00mAmerican Airlines
ven 5/96:22 amIAH - ORD
Nonstop2h 42mAmerican Airlines
Deal found 4/4$198
This Southwest deal was found by Cheapflights users on 4/3. 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.
mar 5/134:00 pmORD - HOU
1 stop7h 05mSouthwest
mer 5/145:45 amHOU - ORD
1 stop7h 20mSouthwest
Deal found 4/3$199
This United Airlines deal was found by Cheapflights users on 4/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 4/225:15 amORD - IAH
Nonstop3h 00mUnited Airlines
mar 4/297:20 amIAH - ORD
Nonstop2h 51mUnited Airlines
Deal found 4/4$214
This Delta deal was found by Cheapflights users on 4/3. 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.
sab 5/39:52 amMDW - IAH
1 stop5h 54mDelta
mer 5/712:39 pmIAH - MDW
1 stop6h 06mDelta
Deal found 4/3$217
This Delta deal was found by Cheapflights users on 4/4. 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.
sab 7/266:00 amORD - IAH
1 stop6h 09mDelta
sab 8/27:15 amIAH - ORD
1 stop4h 54mDelta
Deal found 4/4$217
This Delta deal was found by Cheapflights users on 4/3. 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.
sab 5/311:15 amORD - HOU
1 stop6h 32mDelta
sab 5/106:00 amHOU - ORD
1 stop6h 20mDelta
Deal found 4/3$217
This American Airlines deal was found by Cheapflights users on 4/2. 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.
mer 5/2110:15 amORD - HOU
1 stop7h 46mAmerican Airlines
dom 5/255:00 amHOU - ORD
1 stop4h 34mAmerican Airlines
Deal found 4/2$263

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Houston 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 aprile 4, 2025.
Use the filters below to find and compare flights from Chicago to Houston that are best for you.

Fly from

Chicago

Fly to

Houston

Route

Depart

Return

Price

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

mer 5/14

12:21 pm-3:18 pm

Nonstop2h 57m

Houston George Bush Intcntl

mer 5/21

10:40 am-1:17 pm

Nonstop2h 37m

$98

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

ven 5/2

9:04 pm-11:54 pm

Nonstop2h 50m

Houston George Bush Intcntl

dom 5/4

5:00 am-7:40 am

Nonstop2h 40m

$106

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

dom 5/4

6:00 am-8:53 am

Nonstop2h 53m

Houston George Bush Intcntl

dom 5/11

1:14 pm-3:57 pm

Nonstop2h 43m

$107

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

ven 5/9

1:00 pm-3:53 pm

Nonstop2h 53m

Houston George Bush Intcntl

lun 5/12

7:54 pm-10:39 pm

Nonstop2h 45m

$113

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

sab 5/3

5:20 pm-8:00 pm

Nonstop2h 40m

Houston Hobby

sab 5/10

8:20 am-10:45 am

Nonstop2h 25m

$177

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

mer 4/30

8:25 pm-11:25 pm

Nonstop3h 00m

Houston George Bush Intcntl

ven 5/9

6:22 am-9:04 am

Nonstop2h 42m

$198

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

mar 5/13

4:00 pm-11:05 pm

1 stop7h 05m

Houston Hobby

mer 5/14

5:45 am-1:05 pm

1 stop7h 20m

$199

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

mar 4/22

5:15 am-8:15 am

Nonstop3h 00m

Houston George Bush Intcntl

mar 4/29

7:20 am-10:11 am

Nonstop2h 51m

$214

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

sab 5/3

9:52 am-3:46 pm

1 stop5h 54m

Houston George Bush Intcntl

mer 5/7

12:39 pm-6:45 pm

1 stop6h 06m

$217

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

mar 6/10

7:05 am-12:12 pm

1 stop5h 07m

Houston George Bush Intcntl

sab 6/14

5:15 am-9:57 am

1 stop4h 42m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 42 results
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The best insider tips for Chicago to Houston 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 Chicago to Houston trip
Airlines
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.


Book early morning flights to avoid delays on Frontier.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom, ideal for added comfort.


United's Polaris Lounges offer exclusive amenities for premium passengers.

Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, ideal for short flights.


Use Spirit's self-service bag drop for a faster airport experience.

Airports
ORD

At ORD, Garrett Popcorn near gate B8 is a must-try snack before your flight.

Read more about ORDby Ramsey Qubein
MDW

Use the mobile ordering system at MDW to get food delivered to your gate, saving time for Southwest boarding.

Read more about MDWby Ramsey Qubein
IAH

For a quick ride to downtown Houston, consider taking an Uber or Lyft from Terminals A, B, or C.

Read more about IAHby Evie Carrick
Our travel experts
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
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
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
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

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 Chicago to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Chicago 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 Chicago to Houston

How far ahead should I book a flight from Chicago to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Houston. Price data was last updated on March 28, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Houston, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Houston?

Currently, September is the cheapest month in which you can book a flight from Chicago to Houston (average of $230). Flying from Chicago to Houston in March is currently the most expensive (average of $334). 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 CHI to HOU?

Find hourly flight availability from Chicago to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated aprile 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 48% on flights from Chicago to Houston by exploring options for tickets in the evening.

What is the cheapest day to fly from Chicago to Houston?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Houston flight should consider departing on Saturday 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 Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated aprile 4, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Chicago to Houston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Avelo Airlines
7.5
Good

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Chicago to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Chicago to Houston flights?

    The airports that serve flights from Chicago to Huston are limited when it comes to Chicago. Two airports will serve flights out to Houston, with those two being Chicago Midway International Airport and Chicago O’Hare International Airport. Both airports serve flights from Chicago to Houston. Houston has an array of airports to choose from as well, two being William P. Hobby Airport which is Houston’s oldest commercial airport, and George Bush Intercontinental Airport.

  • Which airlines fly directly from Chicago to Huston?

    Airlines that are available to fly directly from Chicago to Houston is limited to mostly American Airlines. American Airlines has a majority of flights from Chicago to Houston when choosing to fly from Chicago O’Hare International Airport to William P. Hobby Airport. Flights from Chicago Midway International to George Bush Intercontinental Airport are mostly handled by Delta Airlines, with the most flights available being with Delta.

  • What are the stopover options between Chicago to Houston?

    Stopover options vary from flights and airports chosen, with flights from Chicago Midway International Airport to George Bush Intercontinental Airport, having one stopover in a variety of locations such as Detroit, Atlanta, and Minneapolis. The flight times can range from 4h 48m-6h 50m. With flights from Chicago O’Hare International Airport to William P. Hobby Airport, there is typically one stopover in Dallas/Fort Worth International Airport which is another airport located in Texas, with flight times ranging from 4h 28m-4h 46m.

  • Do I need a passport or visa to fly from Chicago to Houston?

    Because Chicago and Houston are both within the United States, flights from one to the other would be considered as domestic and for US Citizens a visa would not be required in order to fly from each state. What would be required is a form of photo identification such as a passport or a valid driver’s license in order to board any flight from Chicago to Houston, if no form of identification available, travelers will not be allowed onto the aircraft.

  • What are the cheapest airlines flying from Chicago to Houston round-trip?

    Frontier, at $98, was found to be the cheapest airline from Chicago to Houston.Alternate airlines to your destination round-trip include Spirit Airlines and Southwest. Users have found that Frontier is 51% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago to Houston one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $48. Users have also found prices from $52 and $89 on Spirit Airlines and Southwest, respectively.

  • What are the most popular routes from Chicago to Houston?

  • Can I find deals for flights from Chicago to Houston that include hotel bookings?

    Yes. In addition to deals on Chicago to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Houston.

  • Can I find deals for business class flights from Chicago to Houston?

    Yes. Cheapflights offers flight deals from Chicago to Houston 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 Chicago to Houston?

    Currently, September is the cheapest month in which you can book a flight from Chicago to Houston (average of $230). Flying from Chicago to Houston in March is currently the most expensive (average of $334). 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 are the most eco-friendly airlines from Chicago to Houston?

    United Airlines, Southwest Airlines, and American Airlines all offer eco-friendly flights to Houston from Chicago. They have each taken several steps, including providing nonstop flights, to promote sustainable travel. American Airlines is retiring most of its older-generation jets and replacing them with modern, more fuel-efficient models. They are also finding more ways to reduce waste and emissions; for instance, they have introduced paperless cabins, winglets on wing ends, and shaved off excess weight from their planes. In the same fashion, United Airlines is using new engine technologies for more efficiency and reduced emissions. They are also developing sustainable aviation fuel and using sustainable products in their cabins.

  • How can I fly more sustainably from Chicago to Houston?

    You can fly more sustainably to Houston from Chicago by taking several measures. First, book a direct flight. Even though connecting flights are sometimes cheaper, direct flights are best because they save time and the environment. Direct flights produce emit about half the carbon produced by connecting flights, which is why they are preferred. Second, become a minimalist and travel light. Pack only the necessities and avoid overloading the plane. Overweight planes burn more fuel and further pollute the atmosphere. Third, don’t create avoidable waste. Avoid the single-use plastic bottles and disposable headsets offered on the plane, and instead, bring your own refillable bottle and headphones. Finally, book your flight with airlines offering carbon offsets so that you can compensate for the carbon you produce on your flight.

See more FAQs

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Alternative routes for Chicago to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Chicago to Houston

Discover the top 6 airlines that operate flights from Chicago to Houston. 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 aprile 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$149FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$155FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$144Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$159Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$407FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$188Average$350FlexibilityNo cancel feeOn-time63%

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