Cheap flights from Chicago O'Hare Intl Airport to Houston from $53

The month of September is, on average, the cheapest month to fly to Houston from Chicago O'Hare Intl Airport, with most prices found around $175. The month of August is another great option to travel to Houston, with average flight prices from Chicago O'Hare Intl Airport averaging around $192.

On average, the least expensive day to fly to Houston from Chicago O'Hare Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $324. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $565.

Our data shows that the cheapest Chicago O'Hare Intl Airport to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $263. Try not to purchase tickets in the morning because they tend to be around $364. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Chicago O'Hare Intl to Houston George Bush Intcntl for the best Chicago O'Hare Intl - Houston flight prices

You are more likely to see cheaper flights to Houston from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Chicago O'Hare Intl Airport for as low as $155 on momondo.

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Spirit Airlines, United Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl to Houston

United Airlines, Spirit Airlines and Frontier are the top three most popular airlines that fly to Houston from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 5 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Chicago and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 64 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

As of February 2026, 34 flights take off from Chicago O'Hare Intl Airport and land in Houston each day. The most common flight departure time for this route is 7:00PM, with 39% of daily flights taking off at noon.

As of February 2026, there are 238 flights per week flying from Chicago O'Hare Intl Airport to Houston. The most common day of the week flights depart is Thu, with 22% of flights taking off on this day.