Cheap Flights from Jacksonville (JAX) to Posadas (PSS)

Popular airlines from Jacksonville International Airport (JAX) to Posadas (PSS-Libertador General Jose de San Martin)

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Cheap Flights from Jacksonville to Posadas (JAX-PSS)

Prices were available within the past 7 days and start at for one-way flights and $1,376 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Alternative airports near Posadas

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Jacksonville (JAX) to Posadas (PSS)
Origin airport
Jacksonville Intl.
Destination airport
Libertador General Jose de San Martin
Roundtrip price
$1,375
Distance
4344 mi

Jacksonville to Posadas Flights

The cheapest times to fly from Jacksonville to Posadas

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

 

The best time to book a flight from Jacksonville to Posadas

Sunday is one of the best days to book for cheap flights from Jacksonville to Posadas: 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 Jacksonville to Posadas

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 Jacksonville to Posadas 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 Jacksonville to Posadas 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 Jacksonville to Posadas 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 Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS) cost?
Snag a cheap one-way flight or cheap return flight from $1,376 from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS)?
Traveling in September is a great way to save, as it's the cheapest month for flights between JAX and PSS. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS)?
To find the cheapest airline that'll fly you from JAX to PSS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS)?
There aren't any daily nonstop flights departing from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from JAX to PSS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS)?
Choose a flight from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your flight from JAX to PSS just before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a JAX to PSS flight and hotel package?
Compared with arranging flights and hotels separately, booking a JAX to PSS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and select from our wide range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Jacksonville Intl. Airport (JAX) to Libertador General Jose de San Martin Airport (PSS)?
Typically, you can reschedule or cancel your JAX to PSS flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more details, visit our Customer Service portal.

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