Cheap flights from Jacksonville to San Juan from $74

If you’re not able to fly to San Juan in May, then August is your next best option. Flight prices from Jacksonville to San Juan during August average around $265.

The cheapest day to depart from Jacksonville to San Juan is on a Monday when prices can be found for as low as $257. The most expensive day to fly to San Juan is Thursday, with ticket prices averaging around $296.

The cheapest time of day to fly to San Juan is in the morning when flights can be purchased for as low as $252. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $329 on average. Flights to San Juan from Jacksonville in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to San Juan from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $310 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Jacksonville for as low as $273 on momondo.

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

Frontier, Southwest, and JetBlue are the most popular carriers operating from Jacksonville to San Juan

Frontier, JetBlue and American Airlines are the top three most popular airlines that fly to San Juan from Jacksonville according to our data. Frontier is the first choice among our users, with 50% of people opting to fly with this airline when traveling to San Juan. Keep in mind that there are 6 different airlines that fly to San Juan on a routine basis, so you have a few additional options to choose from.

As of August 2026, there are 1 flights per day flying from Jacksonville to San Juan. The most common time of day flights depart is 10:00AM, with 62% of flights taking off at noon.

The number of flights available between Jacksonville and San Juan is 9 per week as of August 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.