Cheap Flights from Raleigh (RDU) to Posadas (PSS)

Popular airlines from Raleigh-Durham International Airport (RDU) to Posadas (PSS-Libertador General Jose de San Martin)

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Cheap Flights from Raleigh to Posadas (RDU-PSS)

Prices were available within the past 7 days and start at for one-way flights and $2,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 23 - Tue, Jan 6
RDU
Raleigh
PSS
Posadas
$2,100 Roundtrip, found 5 hours ago
$2,100
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Dec 23 from Raleigh to Posadas, returning Tue, Jan 6, priced at $2,100 found 5 hours ago
United
Mon, Dec 22 - Tue, Jan 6
RDU
Raleigh
PSS
Posadas
$2,230 Roundtrip, found 5 hours ago
$2,230
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Dec 22 from Raleigh to Posadas, returning Tue, Jan 6, priced at $2,230 found 5 hours ago
Delta
Sat, Dec 20 - Tue, Jan 6
RDU
Raleigh
PSS
Posadas
$2,239 Roundtrip, found 5 hours ago
$2,239
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, Dec 20 from Raleigh to Posadas, returning Tue, Jan 6, priced at $2,239 found 5 hours ago
United
Tue, Dec 23 - Thu, Jan 1
RDU
Raleigh
PSS
Posadas
$2,312 Roundtrip, found 5 hours ago
$2,312
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Dec 23 from Raleigh to Posadas, returning Thu, Jan 1, priced at $2,312 found 5 hours ago
United
Tue, Dec 23 - Sat, Jan 3
RDU
Raleigh
PSS
Posadas
$2,369 Roundtrip, found 5 hours ago
$2,369
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Dec 23 from Raleigh to Posadas, returning Sat, Jan 3, priced at $2,369 found 5 hours ago
United
Sun, Dec 21 - Tue, Jan 6
RDU
Raleigh
PSS
Posadas
$2,381 Roundtrip, found 5 hours ago
$2,381
Roundtrip
found 5 hours ago
Select United flight, departing Sun, Dec 21 from Raleigh to Posadas, returning Tue, Jan 6, priced at $2,381 found 5 hours ago
United
Mon, Dec 22 - Thu, Jan 1
RDU
Raleigh
PSS
Posadas
$2,442 Roundtrip, found 5 hours ago
$2,442
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Dec 22 from Raleigh to Posadas, returning Thu, Jan 1, priced at $2,442 found 5 hours ago
Delta
Thu, Dec 18 - Thu, Jan 1
RDU
Raleigh
PSS
Posadas
$2,506 Roundtrip, found 5 hours ago
$2,506
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Dec 18 from Raleigh to Posadas, returning Thu, Jan 1, priced at $2,506 found 5 hours ago
Delta
Sat, Dec 20 - Thu, Jan 1
RDU
Raleigh
PSS
Posadas
$2,546 Roundtrip, found 5 hours ago
$2,546
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, Dec 20 from Raleigh to Posadas, returning Thu, Jan 1, priced at $2,546 found 5 hours ago

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS) cost?
Grab a cheap one-way flight or cheap return flight from $2,100 from Raleigh - Durham Intl. Airport (RDU) 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 Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS)?
December is the least expensive month to fly from RDU to PSS. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest RDU to PSS flight.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS)?
There are no daily direct flights departing from Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from RDU to PSS?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, time of year 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 Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS)?
To arrive at Libertador General Jose de San Martin Airport (PSS) without delays, opt for a flight that leaves Raleigh - Durham Intl. Airport (RDU) 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 Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your ticket from RDU to PSS just before your getaway is typically more expensive. However, if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a RDU to PSS flight and hotel package?
You can save money by securing a RDU to PSS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Libertador General Jose de San Martin Airport (PSS)?
In most instances, you can cancel or modify your RDU to PSS flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Libertador General Jose de San Martin
Roundtrip price
$2,100
Distance
4617 mi

Book with confidence

Raleigh to Posadas Flights

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

 

The best time to book a flight from Raleigh to Posadas

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh 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 Raleigh 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 Raleigh 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.

 

Raleigh to Posadas Flights

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