Cheap Flights from New York (LGA) to Posadas (PSS)

Popular airlines from LaGuardia Airport (LGA) to Posadas (PSS-Libertador General Jose de San Martin)

Cheap Flights from New York to Posadas (LGA-PSS)

Prices were available within the past 7 days and start at for one-way flights and $1,198 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 New York (LGA) to Posadas (PSS)
Origin airport
LaGuardia
Destination airport
Libertador General Jose de San Martin
Roundtrip price
$1,197
Distance
4847 mi

New York to Posadas Flights

The cheapest times to fly from New York 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 New York to Posadas are during the month of January. You can find some of the cheapest flights from New York to Posadas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New York to Posadas

Sunday is one of the best days to book for cheap flights from New York 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 New York 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 New York 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 New York 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 New York 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 LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS) cost?
Get a cheap one-way flight or cheap return flight from $1,198 from LaGuardia Airport (LGA) 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 LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS)?
The cheapest month to fly from LGA to PSS is January, when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LGA to PSS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS)?
Nonstop flights from LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LGA to PSS?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS)?
To land at Libertador General Jose de San Martin Airport (PSS) on time, book a flight that leaves LaGuardia Airport (LGA) 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 LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Last-minute fares from LGA to PSS are generally more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a LGA to PSS flight and hotel package?
Securing a LGA to PSS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from LaGuardia Airport (LGA) to Libertador General Jose de San Martin Airport (PSS)?
In most cases, you're able to cancel or reschedule your LGA to PSS flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, visit our Customer Service portal.

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*Available to One Key members.