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Cheap Flights to San Martín Department from $76

View $76 flight on Sat, Dec 5, 2026Opens in a new window

Popular airlines to San Martín Department

  • Aerolineas Argentinas

  • LATAM Airlines Group

  • B & H Airlines

  • GOL Linhas Aereas S.A.

  • Air France

  • Aeromexico

  • KLM

How much is the cheapest flight to San Martín Department?

Prices were available within the past 7 days and start at $76 for one-way flights and $123 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetsmart SPA
Thu, Nov 12 - Wed, Nov 18
AEP
Buenos Aires
PSS
Posadas
$123 Roundtrip, found 1 day ago
$123
Roundtrip
found 1 day ago
Select Jetsmart SPA flight, departing Thu, Nov 12 from Buenos Aires to Posadas, returning Wed, Nov 18, priced at $123 found 1 day ago
Jetsmart SPA
Fri, Mar 12 - Tue, Mar 30
AEP
Buenos Aires
PSS
Posadas
$151 Roundtrip, found 1 day ago
$151
Roundtrip
found 1 day ago
Select Jetsmart SPA flight, departing Fri, Mar 12 from Buenos Aires to Posadas, returning Tue, Mar 30, priced at $151 found 1 day ago
Jetsmart SPA
Tue, Dec 8 - Fri, Dec 11
AEP
Buenos Aires
PSS
Posadas
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select Jetsmart SPA flight, departing Tue, Dec 8 from Buenos Aires to Posadas, returning Fri, Dec 11, priced at $188 found 3 days ago
Jetsmart SPA
Tue, Dec 8 - Fri, Dec 11
AEP
Buenos Aires
PSS
Posadas
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Jetsmart SPA flight, departing Tue, Dec 8 from Buenos Aires to Posadas, returning Fri, Dec 11, priced at $197 found 3 days ago
Jetsmart SPA
Tue, Dec 8 - Tue, Dec 29
AEP
Buenos Aires
PSS
Posadas
$198 Roundtrip, found 3 days ago
$198
Roundtrip
found 3 days ago
Select Jetsmart SPA flight, departing Tue, Dec 8 from Buenos Aires to Posadas, returning Tue, Dec 29, priced at $198 found 3 days ago
Jetsmart SPA
Wed, Dec 30 - Mon, Jan 4
AEP
Buenos Aires
PSS
Posadas
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Jetsmart SPA flight, departing Wed, Dec 30 from Buenos Aires to Posadas, returning Mon, Jan 4, priced at $205 found 4 days ago
Aerolineas Argentinas
Mon, Aug 31 - Mon, Sep 7
AEP
Buenos Aires
PSS
Posadas
$255 Roundtrip, found 5 hours ago
$255
Roundtrip
found 5 hours ago
Select Aerolineas Argentinas flight, departing Mon, Aug 31 from Buenos Aires to Posadas, returning Mon, Sep 7, priced at $255 found 5 hours ago
GOL Linhas Aereas S.A.
Fri, Aug 28 - Fri, Sep 4
GRU
São Paulo
PSS
Posadas
$611 Roundtrip, found 18 hours ago
$611
Roundtrip
found 18 hours ago
Select GOL Linhas Aereas S.A. flight, departing Fri, Aug 28 from São Paulo to Posadas, returning Fri, Sep 4, priced at $611 found 18 hours ago
LATAM Airlines Group
Fri, Aug 7 - Thu, Aug 13
GRU
São Paulo
PSS
Posadas
$783 Roundtrip, found 2 days ago
$783
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Fri, Aug 7 from São Paulo to Posadas, returning Thu, Aug 13, priced at $783 found 2 days ago
avianca
Sat, May 1 - Sat, May 22
MIA
Miami
PSS
Posadas
$1,229 Roundtrip, found 4 days ago
$1,229
Roundtrip
found 4 days ago
Select avianca flight, departing Sat, May 1 from Miami to Posadas, returning Sat, May 22, priced at $1,229 found 4 days ago

Trending flights to San Martín Department

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Sat, May 1 - Sat, May 22
MIA
Miami
PSS
Posadas
$1,229 Roundtrip, found 4 days ago
$1,229
Roundtrip
found 4 days ago
Select avianca flight, departing Sat, May 1 from Miami to Posadas, returning Sat, May 22, priced at $1,229 found 4 days ago

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 $123. 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 $123 and $1,229. Many lucky travelers locked in one-way flights from Buenos Aires (AEP) for just $76.
When is the cheapest time to fly to San Martín Department?
Departing on a Tuesday, followed by a Monday, is generally the best way to pick up the cheapest fare. Avoid weekends if possible, because Saturday is typically the most expensive day of the week. Spend the funds you saved having a good time in San Martín Department instead!
How much is a plane ticket to San Martín Department?
Fares to San Martín Department varied from $123 to $1,229 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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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.