Cheap flights from Miami to Puerto Rico from $69

If you don’t want to visit Puerto Rico in April, then you should wait until September to fly from Miami, when ticket prices are also cheap, with an average price of $230.

On average, the least expensive day to fly to Puerto Rico from Miami is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $287. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $348.

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Miami to Puerto Rico during this time can be as low as $257. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $335.

Fly from Miami to San Juan Luis Munoz Marin Intl for the best Miami - Puerto Rico flight prices

You are more likely to see cheaper flights to Puerto Rico from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $271 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Miami for as low as $223 on momondo.

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

Southwest, Frontier, and United Airlines are the most popular carriers operating from Miami to Puerto Rico

JetBlue, Frontier and American Airlines are the top three most popular airlines that fly to Puerto Rico from Miami according to our data. JetBlue is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 5 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 21% of flights between Miami and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night 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, American Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

17 flights are operational daily from Miami to Puerto Rico as of October 2026. The most popular departure time for this route is 8:00AM, with 61% of flights per day taking off at noon.

The number of flights available between Miami and Puerto Rico is 125 per week as of October 2026. The most frequent departure day is Wed, with 19% of weekly flights leaving on this day.