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Cheap Flights to San Martín Department from $48

View $48 flight on Mon, Dec 14, 2026Opens in a new window

Popular airlines to San Martín Department

  • Aerolineas Argentinas

  • B & H Airlines

  • LATAM Airlines Group

  • GOL Linhas Aereas S.A.

  • Air France

  • Aeromexico

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How much is the cheapest flight to San Martín Department?

Prices were available within the past 7 days and start at $48 for one-way flights and $96 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetsmart SPA
Tue, Dec 8 - Fri, Dec 11
AEP
Buenos Aires
PSS
Posadas
$96 Roundtrip, found 14 hours ago
$96
Roundtrip
found 14 hours ago
Select Jetsmart SPA flight, departing Tue, Dec 8 from Buenos Aires to Posadas, returning Fri, Dec 11, priced at $96 found 14 hours ago
Jetsmart SPA
Tue, Nov 24 - Thu, Nov 26
AEP
Buenos Aires
PSS
Posadas
$105 Roundtrip, found 14 hours ago
$105
Roundtrip
found 14 hours ago
Select Jetsmart SPA flight, departing Tue, Nov 24 from Buenos Aires to Posadas, returning Thu, Nov 26, priced at $105 found 14 hours ago
Jetsmart SPA
Thu, Nov 12 - Sun, Nov 15
AEP
Buenos Aires
PSS
Posadas
$114 Roundtrip, found 14 hours ago
$114
Roundtrip
found 14 hours ago
Select Jetsmart SPA flight, departing Thu, Nov 12 from Buenos Aires to Posadas, returning Sun, Nov 15, priced at $114 found 14 hours ago
Jetsmart SPA
Tue, Dec 8 - Fri, Dec 11
AEP
Buenos Aires
PSS
Posadas
$130 Roundtrip, found 14 hours ago
$130
Roundtrip
found 14 hours ago
Select Jetsmart SPA flight, departing Tue, Dec 8 from Buenos Aires to Posadas, returning Fri, Dec 11, priced at $130 found 14 hours ago
Jetsmart SPA
Sun, Dec 6 - Tue, Dec 8
AEP
Buenos Aires
PSS
Posadas
$133 Roundtrip, found 21 hours ago
$133
Roundtrip
found 21 hours ago
Select Jetsmart SPA flight, departing Sun, Dec 6 from Buenos Aires to Posadas, returning Tue, Dec 8, priced at $133 found 21 hours ago
Jetsmart SPA
Tue, Dec 8 - Fri, Dec 11
AEP
Buenos Aires
PSS
Posadas
$137 Roundtrip, found 14 hours ago
$137
Roundtrip
found 14 hours ago
Select Jetsmart SPA flight, departing Tue, Dec 8 from Buenos Aires to Posadas, returning Fri, Dec 11, priced at $137 found 14 hours ago
Aerolineas Argentinas
Thu, Jul 2 - Tue, Jul 7
EZE
Buenos Aires
PSS
Posadas
$253 Roundtrip, found 6 days ago
$253
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Thu, Jul 2 from Buenos Aires to Posadas, returning Tue, Jul 7, priced at $253 found 6 days ago
LATAM Airlines Group
Thu, Oct 1 - Thu, Oct 8
FLN
Florianópolis
PSS
Posadas
$452 Roundtrip, found 5 days ago
$452
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Thu, Oct 1 from Florianópolis to Posadas, returning Thu, Oct 8, priced at $452 found 5 days ago
GOL Linhas Aereas S.A.
Fri, Aug 7 - Thu, Aug 13
GRU
São Paulo
PSS
Posadas
$706 Roundtrip, found 1 day ago
$706
Roundtrip
found 1 day ago
Select GOL Linhas Aereas S.A. flight, departing Fri, Aug 7 from São Paulo to Posadas, returning Thu, Aug 13, priced at $706 found 1 day ago
avianca
Wed, Aug 12 - Wed, Aug 19
FLL
Fort Lauderdale
PSS
Posadas
$1,209 Roundtrip, found 2 days ago
$1,209
Roundtrip
found 2 days ago
Select avianca flight, departing Wed, Aug 12 from Fort Lauderdale to Posadas, returning Wed, Aug 19, priced at $1,209 found 2 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.

Aerolineas Argentinas
Fri, Jul 3 - Tue, Jul 7
MIA
Miami
PSS
Posadas
$1,197 Roundtrip, just found
$1,197
Roundtrip
just found
Select Aerolineas Argentinas flight, departing Fri, Jul 3 from Miami to Posadas, returning Tue, Jul 7, priced at $1,197 just found

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 $96. 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 $96 and $1,209. Many lucky travelers locked in one-way flights from Buenos Aires (AEP) for just $48.
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 $96 to $1,209 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.