Houston

$50+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HOU
Feb 8 — Feb 151
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Houston 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.

The best prices from Chicago to Houston are usually found in August or October, booked 33 days in advance, depart on a Thursday or Friday and return on a Tuesday

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 February 3, 2025.

Round-trip from

$106
(Kiwi.com)

One-way from

$50
(Frontier)

Popular in

March

Cheapest in

August

Average price

$238
From Chicago (CHI) to Houston
One-way flight from Chicago (CHI) to Houston
Highest demand for flights based on searches. 12% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in February 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 February 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/181:58 pmORD - IAH
Nonstop2h 47mMultiple Airlines
Thu 2/209:09 amIAH - ORD
Nonstop2h 45mMultiple Airlines
Deal found 2/2$106
This Frontier deal was found by Cheapflights users on 2/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/46:00 amMDW - IAH
Nonstop2h 51mFrontier
Wed 4/99:41 amIAH - MDW
Nonstop2h 29mFrontier
Deal found 2/3$107
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/117:42 pmORD - IAH
1 stop12h 18mSpirit Airlines
Sat 3/1510:28 pmIAH - ORD
Nonstop2h 31mSpirit Airlines
Deal found 2/2$107
This Frontier deal was found by Cheapflights users on 2/1. 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 2/198:33 amORD - IAH
1 stop8h 11mFrontier
Wed 2/198:22 pmIAH - ORD
1 stop10h 47mFrontier
Deal found 2/1$109
This FlightHub deal was found by Cheapflights users on 2/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/257:05 amMDW - HOU
1 stop26h 31mFrontier
Sat 3/13:43 pmHOU - MDW
1 stop8h 34mFrontier
Deal found 2/3$121
This Southwest deal was found by Cheapflights users on 2/3. 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.
Wed 3/58:40 pmMDW - HOU
Nonstop2h 45mSouthwest
Wed 3/129:15 pmHOU - MDW
Nonstop2h 25mSouthwest
Deal found 2/3$149
This Booking.com deal was found by Cheapflights users on 2/1. 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.
Fri 4/116:40 amORD - HOU
1 stop28h 57mFrontier
Mon 4/1410:36 amHOU - ORD
1 stop14h 06mFrontier
Deal found 2/1$150
This Southwest deal was found by Cheapflights users on 2/3. 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.
Tue 3/47:30 amORD - HOU
1 stop5h 15mSouthwest
Tue 3/43:50 pmHOU - ORD
1 stop6h 30mSouthwest
Deal found 2/3$197
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:05 pmMDW - IAH
1 stop6h 54mDelta
Tue 3/112:40 pmIAH - MDW
1 stop7h 43mDelta
Deal found 2/2$217
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/116:45 amORD - IAH
1 stop8h 15mDelta
Wed 3/196:24 amIAH - ORD
1 stop5h 06mDelta
Deal found 2/2$217
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 3/49:38 amORD - HOU
1 stop8h 04mDelta
Tue 3/1110:41 amHOU - ORD
1 stop5h 39mDelta
Deal found 2/3$217
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/510:57 amMDW - HOU
1 stop6h 45mDelta
Wed 3/1210:41 amHOU - MDW
1 stop5h 33mDelta
Deal found 2/2$217

Find flights from Chicago to Houston within your budget

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 February 3, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 2/18

1:58 pm-4:45 pm

Nonstop2h 47m

Houston George Bush Intcntl

Thu 2/20

9:09 am-11:54 am

Nonstop2h 45m

$106

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Fri 4/4

6:00 am-8:51 am

Nonstop2h 51m

Houston George Bush Intcntl

Wed 4/9

9:41 am-12:10 pm

Nonstop2h 29m

$107

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 3/11

7:42 pm-8:00 am

1 stop12h 18m

Houston George Bush Intcntl

Sat 3/15

10:28 pm-12:59 am

Nonstop2h 31m

$107

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 2/19

8:33 am-4:44 pm

1 stop8h 11m

Houston George Bush Intcntl

Wed 2/26

8:22 pm-7:09 am

1 stop10h 47m

$109

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Sat 2/22

6:40 am-2:43 pm

1 stop8h 03m

Houston Hobby

Mon 2/24

10:36 am-12:17 am

1 stop13h 41m

$138

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Tue 3/4

1:40 pm-4:30 pm

Nonstop2h 50m

Houston Hobby

Tue 3/11

9:15 pm-11:40 pm

Nonstop2h 25m

$148

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Fri 4/11

6:40 am-11:37 am

1 stop28h 57m

Houston Hobby

Mon 4/14

10:36 am-12:42 am

1 stop14h 06m

$150

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Tue 3/4

3:10 pm-10:55 pm

1 stop7h 45m

Houston Hobby

Wed 3/5

6:10 am-2:00 pm

1 stop7h 50m

$197

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 4/23

10:37 am-1:37 pm

Nonstop3h 00m

Houston George Bush Intcntl

Wed 4/23

5:00 pm-7:55 pm

Nonstop2h 55m

$204

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Tue 3/4

5:05 pm-11:59 pm

1 stop6h 54m

Houston George Bush Intcntl

Tue 3/11

2:40 pm-10:23 pm

1 stop7h 43m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 37 results
1
2
3
4

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.

Travel insights for flights from Chicago to Houston

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

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 January 31, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Houston, you should look to book at least 33 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 February 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 52% 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 Wednesday at noon 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.

Weekly flight availability from Chicago to Houston

Explore weekly flight availability from Chicago to Houston. 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 February 3, 2025.

The most flights from CHI to HO1 are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 February 3, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Chicago to Houston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

8.0
Very good

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Food

7.1

Crew

8.7

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Sarah,Aug 2024

MDW - AUS

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

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 $107, 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 48% 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 $50. Users have also found prices from $51 and $70 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

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.

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 February 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$146FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$69Average$157FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$142Average$247FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$158Average$361FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$413FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$178Average$354FlexibilityNo cancel feeOn-time63%
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.