Cheap flights from Chicago to Houston from $89

The month of October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Chicago, with most prices found around $227. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Chicago during the month December is also very affordable. Most momondo users find prices during this month for around $232.

The cheapest day to depart from Chicago to Houston George Bush Intcntl Airport is on a Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $322. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $521.

Our data shows that the cheapest Chicago to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $320. Try not to purchase tickets in the morning because they tend to be around $408. 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 - Houston George Bush Intcntl flight prices

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $277 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Chicago for as low as $189 on momondo.

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

No. A direct flight is the cheapest option for a flight between Chicago to Houston George Bush Intcntl Airport.

As of September 2026, prices for Chicago to Houston George Bush Intcntl Airport flights are approximately 20% more expensive when compared to flights at the same time last year.

Delta is the most popular carrier operating from Chicago to Houston George Bush Intcntl

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Chicago according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 4 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 46 flights per day flying from Chicago to Houston George Bush Intcntl Airport. The most common time of day flights depart is 5:00PM, with 46% of flights taking off in the afternoon.

As of September 2026, 326 flights take off from Chicago and land in Houston George Bush Intcntl Airport each week. The most common flight departure day for this route is Tue, with 23% of weekly flights taking off on this day.