Cheap Flights from Louisville (SDF) to Posadas (PSS)

Popular airlines from Louisville Intl. Airport (SDF) to Posadas (PSS-Libertador General Jose de San Martin)

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Flights from Louisville (SDF) to Posadas (PSS)
Origin airport
Louisville Intl.
Destination airport
Libertador General Jose de San Martin
Distance
4923 mi

Louisville to Posadas Flights

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

 

The best time to book a flight from Louisville to Posadas

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville 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 Louisville 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 Louisville 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 Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS) cost?
Lock in a cheap one-way flight or cheap return flight from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS)?
Traveling in is a good way to save, as it's the cheapest month for flights between SDF and PSS. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SDF to PSS. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS)?
There aren't any daily nonstop flights from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SDF to PSS?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, season 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 Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS)?
Select a flight from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS) that leaves before 3 PM to reduce the risk of delays and cancellations. 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 Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Last-minute bookings from SDF to PSS are typically more expensive. For the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before you leave.
Is it cheaper to book a SDF to PSS flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to PSS flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Libertador General Jose de San Martin Airport (PSS)?
In most cases, you can cancel or modify your SDF to PSS flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, visit our Customer Service portal.

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