Cheap flights from Chicago (CHI) to Houston from $36

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
CHI — IAH
Sep 26 — Oct 31

How to find the cheapest flight from Chicago (CHI) to Houston

All the information you need to plan the best CHI to HO1 flight in 2023: compare Chicago to Houston flight prices with the expected peak season, weather and rainfall in Houston.

Popular in

June

Cheapest in

September

Round-trip from

$238

One-way from

$61
High demand for flights, 16% potential price rise
Best time to find cheap flights, 26% potential price drop
From Chicago (CHI) to Houston
One-way flight from Chicago (CHI) to Houston

CHI - IAH

Price

$238 - $411

IAH

Temperature

53.6 - 84.2 °F

IAH

Rainfall

3.2 - 5.9 inches

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

Users have found that booking a flight from Chicago to Houston at least 48 days early can save you up to 59% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Chicago to Houston for as little as $249 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $373 for flights departing within the next 3 days.

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

Our data shows that September tends to be the cheapest month to fly to Houston from Chicago. Users have commonly found prices around $241 for the month, but tickets can be as low as $102. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Chicago to Houston (CHI - IAH)?

When flying from Chicago to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Spirit Airlines flights from Chicago to Houston

Take a look at some of the lowest-priced Spirit Airlines flights heading from Chicago to Houston. It's recommended that users confirm their flight details before booking.

Cheap Frontier flights from Chicago to Houston

To aid your search, here are some of the cheapest Frontier flights we've found from Chicago to Houston. Deals frequently update to provide users with more options.

Cheap Chicago to Houston flights in September & October 2023

The best prices found for CHI to Houston flights for September, October
Scroll through some of the best deals on flights from Chicago to Houston in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Chicago to Houston 2023 flight deals

Cheap flights to Houston from Chicago found for this year
Scroll through some of the best deals on flights from Chicago to Houston in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Houston from Chicago

Save time with Chicago to Houston direct flight deals
If you're seeking options on non-stop flights from Chicago to Houston, check out these fares. Users seeking other options on flights from Chicago to Houston should update the search form at the top of the page.

Chicago to Houston flights leaving soon

Late deals on return flights to Houston from Chicago, departing today and this week
Have a look at some of the flights available from Chicago to Houston departing last-minute. Users should examine the flight details to ensure there are no surprises.

One-way flights to Houston from Chicago

The cheapest one-way flights from Chicago to Houston
If you're seeking multiple options on one-way flights from Chicago to Houston, be sure to check out these deals, which are updated often. Those needing a return flight from Chicago to Houston can use the search form above.

Find flights from Chicago to Houston within your budget

Use the slider to find flights from Chicago to Houston that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$68 - $197

Route

Depart

Return

Price

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 12/5

1 stop5h 43m

Houston George Bush Intcntl

Wed 12/6

1 stop7h 40m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/3

1 stop10h 46m

Houston George Bush Intcntl

Tue 10/10

1 stop15h 12m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/10

1 stop14h 44m

Houston George Bush Intcntl

Tue 10/17

Nonstop2h 38m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/3

Nonstop2h 47m

Houston George Bush Intcntl

Tue 10/10

1 stop11h 05m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 10/25

1 stop10h 54m

Houston George Bush Intcntl

Thu 11/2

Nonstop2h 38m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/3

1 stop9h 46m

Houston George Bush Intcntl

Wed 10/11

Nonstop2h 38m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Tue 10/3

1 stop9h 46m

Houston George Bush Intcntl

Wed 10/4

1 stop10h 24m

Chicago O'Hare IntlHouston George Bush Intcntl

ORD - IAH

ORDIAH

Chicago O'Hare Intl

Wed 10/25

1 stop9h 24m

Houston George Bush Intcntl

Wed 11/1

1 stop13h 55m

Chicago MidwayHouston George Bush Intcntl

MDW - IAH

MDWIAH

Chicago Midway

Wed 10/11

1 stop5h 36m

Houston George Bush Intcntl

Tue 10/17

1 stop5h 40m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Houston

Read reviews from past customers who have flown Spirit Airlines, Frontier and Delta from Chicago to Houston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 10

La attenzione in volo e sta gentilissima e il personale molto competente.

Delta
7.9
Good
3,016 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 10

La attenzione in volo e sta gentilissima e il personale molto competente.

Southwest
7.6
Good
1,517 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 10

La attenzione in volo e sta gentilissima e il personale molto competente.

Allegiant Air
7.5
Good
103 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 10

La attenzione in volo e sta gentilissima e il personale molto competente.

United Airlines
7.4
Good
1,887 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 10

La attenzione in volo e sta gentilissima e il personale molto competente.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,016 reviews

Entertainment

7.8

Food

7.2

Overall

7.9

Boarding

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 10

La attenzione in volo e sta gentilissima e il personale molto competente.

Related info for your journey

Useful info, stats and facts about Chicago to Houston flights.

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.

Can I find flights from Chicago to Houston for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to Houston for under $100. The cheapest flight booked recently is on Spirit Airlines for just $68, but on average you can expect to pay $84.

Are there nonstop flights from Chicago to Houston for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to Houston under $100. A good price for a nonstop flight from Chicago to Houston is less than $110.

Are there last-minute flights available from Chicago to Houston for under $100?

There are currently 20+ open flights from Chicago to Houston within the next 7 days for less than $100.

What days are nonstop flights available from Chicago to Houston?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How many flights depart from Chicago to Houston on average per day?

51 flight departures from Chicago to Houston per day on average.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 27% of flight departures
Afternoon (Noon - 6pm) - 35% of flight departures
Evening (6pm - Midnight) - 29% of flight departures

How long is the flight from Chicago to Houston?

For as low as $68, Spirit Airlines can have you in Houston from Chicago in 5h 43m. Chicago and Houston are separated by a distance of 930 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?

Spirit Airlines, at $68, was found to be the cheapest airline from Chicago to Houston. An alternate airline flying to your destination would be Frontier. Users have found that Spirit Airlines is 71% cheaper than the other options available to this destination.

What are the most popular routes from Chicago to Houston?

What are the most popular airlines that fly from Chicago to Houston?

What are the most reliable airlines from Chicago to Houston?

The top 3 most reliable airlines when flying from Chicago to Houston are Avianca (93%), Spirit Airlines (93%) and Royal Jordanian (92%).

What are the cheapest flights from Chicago to Houston?

The cheapest flight price from Chicago to Houston is $72. On average you can expect to pay $822. The most popular route, (Chicago O'Hare Intl - Houston Hobby), can usually be booked for $69.

What does ORD to IAH mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport flight would often be abbreviated as a ORD to IAH flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT).

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.

Other flights from Chicago

Top 5 airlines flying from Chicago to Houston

The chart below displays the airlines Cheapflights users traveling from Chicago to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$60Average$180FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$99Average$303FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FrontierCheapest$110Average$184FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$138Average$348FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$198Average$495FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Chicago to Houston

See what time of day planes typically take off from Chicago to Houston
7%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
39%of flight departuresAfternoonNoon to 6 pm
21%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Houston

See how many times per day planes take to the skies headed from Chicago to Houston
Sunday11daily flights
Monday9daily flights
Tuesday8daily flights
Wednesday8daily flights
Thursday9daily flights
Friday9daily flights
Saturday9daily flights
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