Cheap flights from the United States to San Juan from $78

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $312.

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from United States is on a Monday. momondo users have found tickets for Monday departures for as low as $302. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $351.

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 $306. Flights in the afternoon are often more expensive with an average ticket price of $344.

Fly from Miami to San Juan Luis Munoz Marin Intl for the best United States - 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 United States 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 $307 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 United States for as low as $265 on momondo.

Spirit Airlines, Delta, and JetBlue are the most popular carriers operating from United States to San Juan Luis Munoz Marin Intl

Frontier, JetBlue and Spirit Airlines are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from United States according to our data. Frontier is the first choice among our users, with 38% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 10 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 23% of flights between United States 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 in the evening 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, Delta have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

93 flights are operational daily from United States to San Juan Luis Munoz Marin Intl Airport as of May 2026. The most popular departure time for this route is 8:00AM, with 40% of flights per day taking off at noon.

653 flights are operational weekly from United States to San Juan Luis Munoz Marin Intl Airport as of May 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.