Cheap flights to San Martín Department

View €181 flight on Sun, 11 Jan 2026Opens in a new window

Popular airlines to San Martín Department

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap round-trip flights to San Martín Department

Prices were available within the past 7 days and start at €181 for one-way flights and €289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Tue, 9 Jun - Mon, 6 Jul
ASU
Asuncion
PSS
Posadas
€289 Return, found 1 day ago
€289
Return
found 1 day ago
Select Aerolineas Argentinas flight, departing Tue, 9 Jun from Asuncion to Posadas, returning Mon, 6 Jul, priced at €289 found 1 day ago
Aerolineas Argentinas
Tue, 9 Jun - Mon, 6 Jul
ASU
Asuncion
PSS
Posadas
€315 Return, found 1 day ago
€315
Return
found 1 day ago
Select Aerolineas Argentinas flight, departing Tue, 9 Jun from Asuncion to Posadas, returning Mon, 6 Jul, priced at €315 found 1 day ago
Aerolineas Argentinas
Sat, 7 Feb - Mon, 9 Feb
AEP
Buenos Aires
PSS
Posadas
€362 Return, found 21 hours ago
€362
Return
found 21 hours ago
Select Aerolineas Argentinas flight, departing Sat, 7 Feb from Buenos Aires to Posadas, returning Mon, 9 Feb, priced at €362 found 21 hours ago
Aerolineas Argentinas
Tue, 1 Sept - Wed, 30 Sept
AEP
Buenos Aires
PSS
Posadas
€365 Return, found 5 days ago
€365
Return
found 5 days ago
Select Aerolineas Argentinas flight, departing Tue, 1 Sept from Buenos Aires to Posadas, returning Wed, 30 Sept, priced at €365 found 5 days ago
Aerolineas Argentinas
Tue, 9 Jun - Mon, 6 Jul
ASU
Asuncion
PSS
Posadas
€374 Return, found 1 day ago
€374
Return
found 1 day ago
Select Aerolineas Argentinas flight, departing Tue, 9 Jun from Asuncion to Posadas, returning Mon, 6 Jul, priced at €374 found 1 day ago
Aerolineas Argentinas
Tue, 1 Sept - Wed, 30 Sept
AEP
Buenos Aires
PSS
Posadas
€392 Return, found 5 days ago
€392
Return
found 5 days ago
Select Aerolineas Argentinas flight, departing Tue, 1 Sept from Buenos Aires to Posadas, returning Wed, 30 Sept, priced at €392 found 5 days ago
Aerolineas Argentinas
Tue, 9 Jun - Mon, 6 Jul
ASU
Asuncion
PSS
Posadas
€468 Return, found 1 day ago
€468
Return
found 1 day ago
Select Aerolineas Argentinas flight, departing Tue, 9 Jun from Asuncion to Posadas, returning Mon, 6 Jul, priced at €468 found 1 day ago

About San Martín Department

Expedia offers flights to San Martín Department to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to San Martín Department or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to San Martín Department that have flexible change policies?
By using our convenient "No change fee" filter, that's how. Just type in your travel details, click the "Search" button, then mark the checkbox under the "Flexible change policies" heading (it's on the left of your screen). Expedia makes it a cinch to find low-cost, flexible flights to San Martín Department.
How can I find cheap tickets to San Martín Department?
One of the best ways to snare cheap tickets to San Martín Department is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It will reveal the cheapest prices for nearby days. The best price for a flight to San Martín Department in the last seven days was €289. Booking well ahead of time will usually help you score an even better deal.
How much is a flight to San Martín Department?
There were a lot of low-cost fares up for grabs in the last seven days, with the price of a return ticket to San Martín Department ranging between €289 and €468. Many lucky travellers locked in one-way flights from Buenos Aires (AEP) for just €181.
How much is a plane ticket to San Martín Department?
Fares to San Martín Department varied from €289 to €468 in the last seven days. Typically, the sooner you book the bigger the bargain.
What months are the cheapest to book a flight to San Martín Department?
To land a great deal to San Martín Department, try to book during February when the prices are at their lowest. When's the most expensive time? In the United States, it's the month of December.
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