Cheap flights from the United States to Houston from $78

The month of August is, on average, the cheapest month to fly to Houston from United States, with most prices found around $261. The month of September is another great option to travel to Houston, with average flight prices from United States averaging around $263.

On average, the least expensive day to fly to Houston from United States is on a Friday. momondo users have found tickets for Friday departures for as low as $335. 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 $449.

Our data shows that the cheapest United States to Houston flights are usually those with departure times in the morning. Our users have found flights to Houston in the morning for as low as $373. Try not to purchase tickets in the afternoon because they tend to be around $411. 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 $307 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 $221 on momondo.

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

United Airlines, Frontier and Spirit Airlines 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 40% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 10 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% 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 153 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.

Tuesday 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 11% of their flights experiencing any sort of delay.

As of May 2026, there are 153 flights per day flying from United States to Houston. The most common time of day flights depart is 8:00AM, with 33% of flights taking off in the afternoon.

The number of flights available between United States and Houston is 1,072 per week as of May 2026. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.