$73 Cheap Flights from Miami (MIA) to San Juan (SJU)

View $73 flight on Mon, Jul 21, 2025Opens in a new window

Popular airlines from Miami Intl. Airport (MIA) to Luis Munoz Marin Intl. Airport (SJU)

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

Prices were available within the past 7 days and start at $73 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Aug 25 - Fri, Sep 5
MIA
Miami
SJU
San Juan
$144 Roundtrip, found 5 days ago
$144
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Miami to San Juan, returning Fri, Sep 5, priced at $144 found 5 days ago
Spirit Airlines
Thu, Jul 10 - Tue, Jul 15
MIA
Miami
SJU
San Juan
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Jul 10 from Miami to San Juan, returning Tue, Jul 15, priced at $160 just found
Spirit Airlines
Sun, Jul 13 - Fri, Jul 18
MIA
Miami
SJU
San Juan
$161 Roundtrip, just found
$161
Roundtrip
just found
Select Spirit Airlines flight, departing Sun, Jul 13 from Miami to San Juan, returning Fri, Jul 18, priced at $161 just found
Frontier Airlines
Wed, Jul 9 - Wed, Jul 16
MIA
Miami
SJU
San Juan
$163 Roundtrip, found 7 hours ago
$163
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, Jul 9 from Miami to San Juan, returning Wed, Jul 16, priced at $163 found 7 hours ago
Frontier Airlines
Wed, Jul 9 - Thu, Jul 17
MIA
Miami
SJU
San Juan
$164 Roundtrip, found 5 hours ago
$164
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Jul 9 from Miami to San Juan, returning Thu, Jul 17, priced at $164 found 5 hours ago
Frontier Airlines
Tue, Jul 15 - Fri, Jul 18
MIA
Miami
SJU
San Juan
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jul 15 from Miami to San Juan, returning Fri, Jul 18, priced at $165 just found
American Airlines
Fri, Oct 17 - Wed, Oct 22
MIA
Miami
SJU
San Juan
$166 Roundtrip, just found
$166
Roundtrip
just found
Select American Airlines flight, departing Fri, Oct 17 from Miami to San Juan, returning Wed, Oct 22, priced at $166 just found
Spirit Airlines
Sat, Aug 23 - Wed, Aug 27
MIA
Miami
SJU
San Juan
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Spirit Airlines flight, departing Sat, Aug 23 from Miami to San Juan, returning Wed, Aug 27, priced at $168 just found
Southwest Airlines
Fri, Sep 12 - Sat, Sep 13
MIA
Miami
SJU
San Juan
$184 Roundtrip, found 4 hours ago
$184
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Sep 12 from Miami to San Juan, returning Sat, Sep 13, priced at $184 found 4 hours ago
Accessrail
Sun, Sep 21 - Wed, Oct 1
AVT
Aventura
SJU
San Juan
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select Accessrail flight, departing Sun, Sep 21 from Aventura to San Juan, returning Wed, Oct 1, priced at $272 found 6 days ago

Find the cheapest month to fly from Miami (MIA) to San Juan (SJU)

February is typically the cheapest month to fly

From $81 - $344 per traveler.

Graph displaying average flight prices per month

Flights from Miami (MIA) to San Juan (SJU)
Origin airport
Miami Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$144
Distance
1044 mi
Average flight time
2 hours 44 mins

Miami to San Juan Flights

The cheapest times to fly from Miami to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Miami to San Juan are during the month of August. You can find some of the cheapest flights from Miami to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Miami to San Juan

Sunday is one of the best days to book for cheap flights from Miami to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Miami to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Miami to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $73 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Miami to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Miami to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

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 $84 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 flight leaving MIA on July 15 2025 and touching down at SJU. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from MIA to SJU?
Lock in a low fare by booking your direct flight from MIA to SJU in July. You can find a one-way Spirit Airlines flight for $42 leaving on July 15 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 2 2025 and remains unchanged.
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 $42 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 July 15 2025. Prices were last updated on July 2 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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