Cheap flights from Miami to Puerto Rico from £82

In general, May is the cheapest month to fly from Miami to Puerto Rico. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £154. If you don’t want to visit Puerto Rico in May, then you should wait until April to fly from Miami, when ticket prices are also cheap, with an average price of £162.

According to our data, Thursday is the cheapest day to fly to Puerto Rico from Miami. The lowest ticket price found for a Thursday departure recently was £193. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Puerto Rico is Wednesday, with ticket prices averaging around £298.

Flying to Puerto Rico from Miami in the morning is the least expensive time of day to depart. momondo users have found prices as low as £254 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £351 on average. Flights to Puerto Rico from Miami at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £192 when searching weeks before you fly. 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 £166 on momondo.

There is only 1 cabin class 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.

Historically, on average around 23% 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 139 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Frontier have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

As of April 2026, there are 17 flights per day flying from Miami to Puerto Rico. The most common time of day flights depart is 15:00, with 50% of flights taking off at midday.

As of April 2026, there are 120 flights per week flying from Miami to Puerto Rico. The most common day of the week flights depart is Thu, with 17% of flights taking off on this day.