$44 Cheap Flights from Miami (MIA) to San Juan (SJU)

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Find available prices by choosing your travel dates.

Cheap Flights from Miami to San Juan (MIA-SJU)

Prices were available within the past 7 days and start at $44 for one-way flights and $95 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
American Airlines
Delta
Southwest Airlines

Frequently asked questions

How much does a flight from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU) cost?
Book cheap return fares starting at $95 from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines and Frontier Airlines flight leaving MIA on April 30 2025 and touching down at SJU. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from MIA to SJU?
The cheapest flights from MIA to SJU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
Enjoy an uninterrupted journey to Luis Munoz Marin Intl. Airport (SJU). 3 carriers offer direct flights from Miami Intl. Airport (MIA), including:

  • American Airlines
  • Frontier Airlines
  • Spirit Airlines

What is the cheapest airline that flies from MIA to SJU?
With prices starting from $44 for a one-way flight from MIA to SJU, Spirit Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MIA on April 30 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
When flying out of Miami Intl. Airport (MIA), you’ll have a choice from an average of 7 daily direct flights to Luis Munoz Marin Intl. Airport (SJU).
What are the most popular departure times for flights from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
More travelers fly between MIA and SJU at 8 PM than at any other time. Prefer a quieter experience? Pick a flight outside the busiest times and you’re likely to save on your ticket as well.
What day of the week has the most flights from MIA to SJU?
Fly on a Saturday if you’re looking for the best selection of flights from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU).
What is the earliest flight from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
Take the earliest flight at around 6:00AM UTC-5, departing from Miami Intl. Airport (MIA). You’ll be in the air for roughly 2h 37m, landing at Luis Munoz Marin Intl. Airport (SJU) at approximately 9:37AM UTC-4.
How long does it take to fly from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
It usually takes 2 hours and 41 minutes to travel the 1,050 mi from MIA to SJU.
What is the best time to fly from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
To arrive at Luis Munoz Marin Intl. Airport (SJU) on time, book a flight that leaves Miami Intl. Airport (MIA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for San Juan from Miami Intl. Airport (MIA)?
Check out your flight options from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU). This is the only airport in San Juan you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Last-minute bookings from MIA to SJU are generally more expensive. To lock in the lowest rates, start searching for flights well in advance. That said, if you’re flexible with your travel dates, it’s possible to score a cheap ticket right before your trip.
Can I cancel or change the date of my flight from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)?
If you booked your MIA to SJU flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.
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