Cheap flights from Houston to San Juan from $117

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $79.

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport 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. On the other hand, Friday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $590.

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $394. Flights in the evening are often more expensive with an average ticket price of $538.

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

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Houston for as low as $307 on momondo.

United Airlines, Delta, and Southwest are the most popular carriers operating from Houston to San Juan Luis Munoz Marin Intl

United Airlines, Spirit Airlines and Frontier are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport 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 San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 6 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Houston and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 92 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 San Juan Luis Munoz Marin Intl Airport 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.

As of May 2026, 50 flights take off from Houston and land in San Juan Luis Munoz Marin Intl Airport each week. The most common flight departure day for this route is Sat, with 16% of weekly flights taking off on this day.