Cheap flights from Houston to Puerto Rico from $106

If you don’t want to visit Puerto Rico in January, then you should wait until April to fly from Houston, when ticket prices are also cheap, with an average price of $79.

On average, the least expensive day to fly to Puerto Rico from Houston is on a Sunday. momondo users have found tickets for Sunday departures for as low as $506. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $590.

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from Houston to Puerto Rico during this time can be as low as $374. In contrast, the most expensive time of day to depart to Puerto Rico is in the evening when prices are around $534.

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

You are more likely to see cheaper flights to Puerto Rico from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Houston for as low as $307 on momondo.

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

United Airlines, Spirit Airlines and Frontier are the top three most popular airlines that fly to Puerto Rico from Houston according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 6 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Houston and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 96 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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, Southwest have had the least number of delays on this route over the last 12 months; with about 24% of their flights experiencing any sort of delay.

The number of flights available between Houston and Puerto Rico is 7 per day as of May 2026. The most frequent departure time is 3:00PM, with 56% of daily flights leaving in the afternoon.

The number of flights available between Houston and Puerto Rico is 49 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.