Cheap Flights from San Juan (SJU) to Rosario (RSJ)

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base) cost?
Get a cheap one-way flight or cheap return flight from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base) 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 Rosario, WA (RSJ-Rosario Seaplane Base)?
The cheapest month to fly from SJU to RSJ is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SJU to RSJ. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base)?
There aren't any daily nonstop flights available from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SJU to RSJ?
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 Rosario, WA (RSJ-Rosario Seaplane Base)?
To land at Rosario, WA (RSJ-Rosario Seaplane Base) on time, choose a flight that leaves Luis Munoz Marin Intl. Airport (SJU) before 3 PM. The chance 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.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base) last-minute?
Last-minute bookings from SJU to RSJ are usually more expensive. To lock in the best prices, start searching for flights as soon as possible. That said, if you can play around with your travel dates, you may find a cheap fare right before your journey.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Rosario, WA (RSJ-Rosario Seaplane Base)?
Usually, it's possible to reschedule or cancel your SJU to RSJ flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Rosario Seaplane Base
Distance
3768 mi

Book with confidence

Book with confidence

San Juan to Rosario Flights

The cheapest times to fly from San Juan to Rosario

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

 

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

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

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 Rosario in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Rosario 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 Rosario 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 Rosario Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.