£75 Find Cheap Flights from Chicago to Houston

The cheapest month for flights from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport is August, where tickets cost £133 (return) on average. On the other hand, the most expensive months are March and June, where the average cost of round-trip tickets is £253 and £209 respectively.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Houston George Bush Intcntl Airport, you should book around 3 weeks before departure, which saves you about 39% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

In the past 3 days, the cheapest return tickets from Chicago to Houston were found on Frontier (£113) and United Airlines (£134).

Chicago and Houston are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (81 flights per week), American Airlines (34 flights per week), and Frontier (7 flights per week).

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 16 and 18 direct flights that take off from Chicago O'Hare Intl Airport and land in Houston George Bush Intcntl Airport, with an average flight time of 2h 58m. The most common departure time is 14:00 and most flights take off in the morning. Each week, there are 122 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.