Cheap flights from the United States to Houston from $81

The month of October is, on average, the cheapest month to fly to Houston from United States, with most prices found around $285. The month of September is another great option to travel to Houston, with average flight prices from United States averaging around $288.

On average, the least expensive day to fly to Houston from United States is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $341. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Monday is $463.

Our data shows that the cheapest United States to Houston flights are usually those with departure times at noon. Our users have found flights to Houston at noon for as low as $427. Try not to purchase tickets in the afternoon because they tend to be around $484. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Atlanta Hartsfield-Jackson to Houston George Bush Intcntl for the best United States - Houston flight prices

You are more likely to see cheaper flights to Houston from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $323 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from United States for as low as $204 on momondo.

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

Southwest, Delta, and United Airlines are the most popular carriers operating from United States to Houston

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Houston from United States according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 9 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 United States and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of August 2026, there are 172 flights per day flying from United States to Houston. The most common time of day flights depart is 2:00PM, with 35% of flights taking off in the afternoon.

The number of flights available between United States and Houston is 1,204 per week as of August 2026. The most frequent departure day is Fri, with 20% of weekly flights leaving on this day.