$592 Cheap Flights from San Juan (SJU) to Formosa (FMA)

View $592 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Formosa (FMA-Formosa Intl.)

Cheap Flights from San Juan to Formosa (SJU-FMA)

Prices were available within the past 7 days and start at $592 for one-way flights and $1,296 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Wed, Oct 1 - Wed, Oct 8
SJU
San Juan
FMA
Formosa
$1,296 Roundtrip, found 5 days ago
$1,296
Roundtrip
found 5 days ago
Select avianca flight, departing Wed, Oct 1 from San Juan to Formosa, returning Wed, Oct 8, priced at $1,296 found 5 days ago

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA) cost?
Secure a cheap one-way flight from $592 or cheap return flight from $1,296 from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA)?
Traveling in October is a great way to save, as it's the cheapest month for flights between SJU and FMA. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SJU to FMA flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA)?
You'll have to book a flight with a layover if you're traveling from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SJU to FMA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA)?
To land at Formosa Intl. Airport (FMA) on time, pick a flight that takes off from Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA) last-minute?
Last-minute bookings from SJU to FMA are generally more expensive. For the cheapest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a SJU to FMA flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJU to FMA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Formosa Intl. Airport (FMA)?
If you booked your SJU to FMA flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Formosa Intl.
Roundtrip price
$1,296
Distance
3128 mi

Book with confidence

Book with confidence

San Juan to Formosa Flights

The cheapest times to fly from San Juan to Formosa

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 San Juan to Formosa are during the month of October. You can find some of the cheapest flights from San Juan to Formosa with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Juan to Formosa: 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 San Juan to Formosa

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 San Juan to Formosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $592 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 San Juan to Formosa 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 San Juan to Formosa 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.

 

San Juan to Formosa Flights

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*Available to One Key members.