Cheap Flights from Jacksonville International to San Juan Luis Munoz Marin

Compare Jacksonville International to San Juan Luis Munoz Marin flight deals

Find the cheapest month or even day of the year to fly to San Juan Luis Munoz Marin

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Flight deals from Jacksonville International to San Juan Luis Munoz Marin

Looking for a cheap last-minute deal or the best return flight from Jacksonville International to San Juan Luis Munoz Marin? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Jacksonville International to San Juan Luis Munoz Marin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Jacksonville International to San Juan Luis Munoz Marin flights are currently cheapest in April.

Direct flights from Jacksonville International to San Juan Luis Munoz Marin

Jacksonville International to San Juan Luis Munoz Marin: Alternative routes

Compare routes from Jacksonville International to San Juan below. You may find an airport to fly into that's cheaper, faster, or easier than San Juan Luis Munoz Marin.

Jacksonville to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 1,536
Cheapest month to flyApril
Average flight time2 hrs, 53 mins
Most popular airlineFrontier Airlines
Average flights per week8

Finding cheap flights from Jacksonville International to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Jacksonville International to San Juan Luis Munoz Marin is R 3,073. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 53 minutes is the average flight time from Jacksonville International to San Juan Luis Munoz Marin.
Frontier Airlines and jetBlue fly direct from Jacksonville International to San Juan Luis Munoz Marin.
As of February 2026, there are 8 flights per week flying from Jacksonville International to San Juan Luis Munoz Marin.
The cheapest month to fly from Jacksonville International to San Juan Luis Munoz Marin is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Jacksonville International Airport to San Juan Luis Munoz Marin Airport on Monday, 13 April 2026.
Yes – the average flight time is 2 hours and 53 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan Luis Munoz Marin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to San Juan Luis Munoz Marin.

Travelling from Jacksonville International Airport (JAX) to Luis Munoz Marin International Airport (SJU): what you need to know

  • The average duration of a direct flight from Jacksonville International Airport to Luis Munoz Marin International Airport is 3 hours 5 minutes.

  • San Juan's timezone is UTC-4, which is the same as Jacksonville.

  • Choose from five weekly Jacksonville International Airport to Luis Munoz Marin International Airport flights. The 09:17 departure with Frontier Airlines is the earliest flight available. Frontier Airlines operates the last service of the day at 20:16.

  • Your JAX to SJU flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Flying during a peak time such as July? Public holidays and other popular periods can result in longer queues and delays at check-in and security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • Getting to San Juan (and then seeing more of Puerto Rico!) is easy with Frontier Airlines. This popular carrier has direct flights from Jacksonville International Airport to Luis Munoz Marin International Airport.

  • Frontier Airlines is the airline most travellers choose to fly with on this route.

  • Among carriers operating JAX to SJU flights, Frontier Airlines is the most consistent for on-time landings.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Jacksonville International Airport to Luis Munoz Marin International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore the city of your choice. Stopovers between JAX and SJU include:

    • Miami International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Jacksonville International Airport (JAX) to Luis Munoz Marin International Airport (SJU)

  • The lowest price we've found for a one-way Jacksonville International Airport to Luis Munoz Marin International Airport flight is R 1,536. A return plane ticket is currently R 3,073. Depending on the availability and when you book, these fares can change.

  • Book six months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from JAX to SJU.

  • Plan your trip for May. That's the cheapest month for flights from Jacksonville International Airport to Luis Munoz Marin International Airport. If you're flexible with your travel dates, try out the 'Whole month' tool to see the lowest price across every month.

  • Picking up cheap flights from JAX to SJU is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Lock in the right flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Jacksonville International Airport to Luis Munoz Marin International Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Jacksonville International Airport (JAX)

  • You'll find JAX at 2400 Yankee Clipper Drive.

  • Jacksonville International Airport has a strong on-time record, reducing your chances of a delayed flight. Departures from JAX touch down on schedule 80.42% of the time.

  • Jacksonville International Airport is about 23 kilometres from central Jacksonville. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Expect a trip time of roughly 1 hour 20 minutes on public transport.

  • Looking for a handy hotel near JAX? If you've booked an early flight from Jacksonville International Airport to Luis Munoz Marin International Airport, these accommodation options will have you moments from check-in:

Arriving at Luis Munoz Marin International Airport (SJU)

Getting from Luis Munoz Marin International Airport (SJU) to central San Juan

  • From Luis Munoz Marin International Airport, San Juan is approximately 8 kilometres away. It takes around 10 minutes to reach the centre by car.

  • Getting to the centre on public transport takes about 55 minutes.

When to fly to Luis Munoz Marin International Airport (SJU)

  • July is the busiest month for flights from Jacksonville International Airport to Luis Munoz Marin International Airport. To skip the crowds, head to San Juan in May.

  • When reserving your flight from Jacksonville International Airport to Luis Munoz Marin International Airport, think about the type of weather you enjoy. September is the warmest month in San Juan, with the temperature ranging from 23ºC (73ºF) to 33ºC (91ºF).

  • Look for cheap tickets from JAX to SJU in February if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 20ºC (68ºF) and 28ºC (82ºF) on average.

Explore more of Puerto Rico

  • You've visited San Juan, now it's time to explore more of Puerto Rico. Journey about 10 kilometres west to Bayamon to tick off its top sights. From Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña to Monumento a los Trovadores and Parque Palm Court, you'll have a full itinerary ahead.

  • Carolina is another favourite destination in Puerto Rico and is around 11 kilometres east of San Juan. No trip is complete without seeing Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.