Cheap Flights from Las Vegas (LAS) to Posadas (PSS)

Popular airlines from Harry Reid Intl. Airport (LAS) to Posadas (PSS-Libertador General Jose de San Martin)

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Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS) cost?
Snag a cheap one-way flight or cheap return flight from Harry Reid Intl. Airport (LAS) 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 Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS)?
The cheapest month to fly from LAS to PSS is , when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS)?
To find the cheapest airline flying from LAS to PSS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS)?
There are no daily nonstop flights available from Harry Reid Intl. Airport (LAS) 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.
What day of the week has the most flights from LAS to PSS?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier 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 Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS)?
To avoid potential delays on the Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your flight from LAS to PSS right before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a LAS to PSS flight and hotel package?
You'll generally save money by booking a LAS to PSS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Libertador General Jose de San Martin Airport (PSS)?
You can usually cancel or reschedule your LAS to PSS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Libertador General Jose de San Martin
Distance
5835 mi

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Las Vegas to Posadas Flights

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

 

The best time to book a flight from Las Vegas to Posadas

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

 

Las Vegas to Posadas Flights

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*Available to One Key members.