$1,502 Cheap Flights from Madrid (MAD) to Posadas (PSS)

View $1,502 flight on Sat, Nov 29, 2025Opens in a new window

Popular airlines from Adolfo Suarez Madrid-Barajas Airport (MAD) to Posadas (PSS-Libertador General Jose de San Martin)

Cheap Flights from Madrid to Posadas (MAD-PSS)

Prices were available within the past 7 days and start at $1,502 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS) cost?
Grab a cheap one-way flight from $1,502 or cheap return flight from Adolfo Suarez Madrid-Barajas Airport (MAD) 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 Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS)?
Flying in is a great way to save, as it's the cheapest month for flights between MAD and PSS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MAD to PSS flight.
How many flights per day from Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS)?
Nonstop flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MAD to PSS?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, 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 Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS)?
To avoid potential delays on the Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS) route, travel before 3 PM. Later departures are 22% more likely to be 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 Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Booking your plane ticket from MAD to PSS right before your getaway is typically more expensive. But if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a MAD to PSS flight and hotel package?
Compared with arranging hotels and flights separately, booking a MAD to PSS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to Libertador General Jose de San Martin Airport (PSS)?
In most instances, you're able to reschedule or cancel your MAD to PSS flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Adolfo Suárez Madrid-Barajas
Destination airport
Libertador General Jose de San Martin
Distance
5767 mi

Book with confidence

Book with confidence

Madrid to Posadas Flights

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

 

The best time to book a flight from Madrid to Posadas

Sunday is one of the best days to book for cheap flights from Madrid 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 Madrid 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 Madrid to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,502 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 Madrid 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 Madrid 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.

 

Madrid to Posadas Flights

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*Available to One Key members.