Cheap flights from Miami to Puerto Rico from £81

In general, April 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 £169. 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 £172.

According to our data, Wednesday is the cheapest day to fly to Puerto Rico from Miami. The lowest ticket price found for a Wednesday departure recently was £222. 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 Tuesday, with ticket prices averaging around £347.

Flying to Puerto Rico from Miami at midday is the least expensive time of day to depart. momondo users have found prices as low as £238 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £296 on average. Flights to Puerto Rico from Miami in the morning 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 £202 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 £167 on momondo.

There are 3 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.

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 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, American Airlines have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of October 2026, there are 17 flights per day flying from Miami to Puerto Rico. The most common time of day flights depart is 08:00, with 61% of flights taking off at midday.

As of October 2026, there are 125 flights per week flying from Miami to Puerto Rico. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.