Cheap flights from Puerto Rico to Houston from $139

The month of October is, on average, the cheapest month to fly to Houston from Puerto Rico, with most prices found around $321. The month of February is another great option to travel to Houston, with average flight prices from Puerto Rico averaging around $322.

On average, the least expensive day to fly to Houston from Puerto Rico is on a Friday. momondo users have found tickets for Friday departures for as low as $471. 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 $636.

Our data shows that the cheapest Puerto Rico to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $522. Try not to purchase tickets in the evening because they tend to be around $614. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from San Juan Luis Munoz Marin Intl to Houston George Bush Intcntl for the best Puerto Rico - Houston flight prices

You are more likely to see cheaper flights to Houston from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Puerto Rico for as low as $251 on momondo.

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

United Airlines and Southwest are the most popular carriers operating from Puerto Rico to Houston

United Airlines, Frontier and Southwest are the top three most popular airlines that fly to Houston from Puerto Rico according to our data. United Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 6 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 8% of flights between Puerto Rico and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 159 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.

Friday 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 7% of their flights experiencing any sort of delay.

As of August 2026, 6 flights take off from Puerto Rico and land in Houston each day. The most common flight departure time for this route is 2:00PM, with 51% of daily flights taking off in the afternoon.

As of August 2026, 46 flights take off from Puerto Rico and land in Houston each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.