Cheap flights from Miami to San Juan from C$ 121

The month of April is, on average, the cheapest month to fly to San Juan from Miami, with most prices found around C$ 315. If you aren’t able to travel to San Juan during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 326.

According to our data, Friday is the cheapest day to fly to San Juan from Miami. The lowest ticket price found for a Friday departure recently was C$ 221. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Monday is the most expensive day to depart from Miami because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 349.

Our most recent data shows that the best time of day to fly to San Juan is at noon. Flights from Miami to San Juan during this time can be as low as C$ 169. In the morning is when there is more demand to fly to San Juan, so prices are often more expensive at around C$ 531 per ticket.

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

You are more likely to see cheaper flights to San Juan from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around C$ 391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Miami for as low as C$ 326 on momondo.

There are 2 cabin classes available to choose from on Miami to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest is the most popular carrier operating from Miami to San Juan

JetBlue, American Airlines and Frontier are the top three most popular airlines that fly to San Juan from Miami according to our data. JetBlue is the first choice among our users, with 43% of people opting to fly with this airline when travelling to San Juan. Keep in mind that there are 3 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Miami and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 141 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 has had the least delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

The number of flights available between Miami and San Juan is 17 per day as of July 2026. The most frequent departure time is 7:00p.m., with 50% of daily flights leaving at noon.

119 flights are operational weekly from Miami to San Juan as of July 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.