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

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.

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 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.

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.

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.

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.

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.

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.

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.

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

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

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

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.

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.

The most popular route from Chicago to Houston is Chicago O'Hare Intl - Houston Hobby. You may also consider Chicago O'Hare Intl - Houston George Bush Intcntl or Chicago Midway - Houston Hobby.

The most popular airlines flying from Chicago to Houston are American Airlines, Frontier and Spirit Airlines. Something to consider prior to booking your flight.

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

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.

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).

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.

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.