Houston

$64+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — HOU
Jun 8 — Jun 151
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Find cheap flights from Chicago to Houston with Cheapflights

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Cheapflights Tip: The best prices from Chicago to Houston are usually found in September or January, booked 88 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap 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 May 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/8. 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 7/295:46 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Wed 8/199:52 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/8$116
This deal was found by Cheapflights users on 5/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:46 pm
ORD
-
IAH
Nonstop3h 01m
Frontier
Mon 10/121:35 pm
IAH
-
ORD
1 stop6h 53m
Frontier
Deal found 5/6$117
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Tue 6/28:12 pm
IAH
-
ORD
Nonstop2h 49m
Frontier
Deal found 5/4$118
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 5/304:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Sat 6/610:52 am
IAH
-
ORD
1 stop8h 37m
Frontier
Deal found 5/4$121
This Super.com deal was found by Cheapflights users on 5/5. 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.
Wed 6/34:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Wed 6/1011:12 am
IAH
-
ORD
1 stop8h 38m
Frontier
Deal found 5/5$123
This Frontier deal was found by Cheapflights users on 5/5. 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 6/245:29 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Mon 6/299:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/5$124
This Booking.com deal was found by Cheapflights users on 5/8. 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.
Wed 6/175:29 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Mon 6/229:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/8$125
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Thu 6/185:29 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Tue 6/239:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/7$126
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 6/165:29 pm
ORD
-
IAH
Nonstop3h 23m
Frontier
Wed 6/1711:12 am
IAH
-
ORD
1 stop8h 38m
Frontier
Deal found 5/4$127
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 5/264:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Mon 6/18:50 pm
IAH
-
ORD
1 stop11h 05m
Frontier
Deal found 5/4$129
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/25:11 pm
ORD
-
IAH
1 stop15h 44m
Frontier
Tue 6/911:12 am
IAH
-
ORD
1 stop8h 41m
Frontier
Deal found 5/5$132
This Super.com deal was found by Cheapflights users on 5/6. 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 6/54:05 pm
ORD
-
IAH
Nonstop3h 12m
Frontier
Tue 6/99:58 pm
IAH
-
ORD
Nonstop2h 50m
Frontier
Deal found 5/6$133

Find 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 May 9, 2026.

Round-trip from

$116
(Kiwi.com)

One-way from

$64
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$254
From Chicago (CHI) to Houston
One-way flight from Chicago (CHI) to Houston
Highest demand for flights based on searches. 13% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 9, 2026.
Use the filters below to find and compare flights from Chicago to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Tue 7/21

6:00 am-11:14 am

1 stop5h 14m

Houston George Bush Intcntl

Wed 7/22

5:40 am-11:56 am

1 stop6h 16m

$197

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 6/16

1:46 pm-7:52 pm

1 stop6h 06m

Houston George Bush Intcntl

Wed 6/17

3:25 pm-8:31 pm

1 stop5h 06m

$197

ChicagoHouston

MDW - IAH

MDWIAH

Chicago Midway

Wed 6/17

9:54 am-5:43 pm

1 stop7h 49m

Houston George Bush Intcntl

Tue 6/23

6:30 am-1:09 pm

1 stop6h 39m

$207

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 6/9

3:55 pm-9:37 pm

1 stop5h 42m

Houston George Bush Intcntl

Tue 6/16

7:02 am-12:36 pm

1 stop5h 34m

$207

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Wed 6/3

8:00 am-1:55 pm

2 stops5h 55m

Houston Hobby

Sat 6/6

6:45 pm-11:05 pm

1 stop4h 20m

$209

ChicagoHouston

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Thu 5/28

2:00 pm-10:16 pm

1 stop8h 16m

Houston George Bush Intcntl

Sat 6/6

5:25 pm-11:03 pm

1 stop5h 38m

$219

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Thu 7/23

7:15 pm-9:50 pm

Nonstop2h 35m

Houston Hobby

Tue 7/28

4:05 pm-6:30 pm

Nonstop2h 25m

$224

ChicagoHouston

MDW - HOU

MDWHOU

Chicago Midway

Wed 7/15

10:15 am-2:45 pm

1 stop4h 30m

Houston Hobby

Sat 7/18

2:10 pm-7:35 pm

1 stop5h 25m

$235

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Thu 7/23

6:35 am-12:05 pm

1 stop5h 30m

Houston Hobby

Tue 7/28

10:40 am-6:45 pm

1 stop8h 05m

$248

ChicagoHouston

ORD - HOU

ORDHOU

Chicago O'Hare Intl

Wed 6/3

8:10 am-4:09 pm

1 stop7h 59m

Houston Hobby

Sat 6/6

5:04 pm-12:08 am

1 stop7h 04m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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?

To ensure you get the cheapest price possible for a flight from Chicago to Houston, you should look to book at least 87 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, February is the cheapest month in which you can book a flight from Chicago to Houston (average of $169). Flying from Chicago to Houston in September is currently the most expensive (average of $406). 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 May 9, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 16% 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 May 2, 2026.

Travelers seeking maximum savings on their Chicago to Houston flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings 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 Chicago to Houston?

How often are flights from Chicago to Houston delayed?

About 20% of weekly flights between Chicago and Houston have experienced delays in the past year, with the average delay time being 116 minutes.

What is the most punctual flight time for Chicago to Houston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday 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 Chicago to Houston flights?

Over the last year, Southwest have had the lowest number of delays on this route, with just 19% of flights being delayed.

The best insider tips for Chicago to Houston 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 Chicago to Houston trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

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.

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.

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.

Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

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.

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.

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 May 9, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the 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.

  • How long is the flight from Chicago to Houston?

    For as low as $197, Delta can have you in Houston from Chicago in 5h 14m. Chicago and Houston are separated by a distance of 918 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Frontier, at $57, was found to be the cheapest airline from Chicago to Houston.Alternate airlines to your destination round-trip include Spirit Airlines and United Airlines. Users have found that Frontier is 74% 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 $41. Users have also found prices from $48 and $78 on Spirit Airlines and American Airlines, 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, February is the cheapest month in which you can book a flight from Chicago to Houston (average of $169). Flying from Chicago to Houston in September is currently the most expensive (average of $406). 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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$181FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$70Average$152FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$137Average$331FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$267FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$302FlexibilityNo cancel feeOn-time63%
DeltaCheapest$207Average$287FlexibilityNo cancel feeOn-timeN/A

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