Cheap Flights to San Martín Department from $142

View $142 flight on Sat, Jun 13, 2026Opens in a new window

Popular airlines to San Martín Department

  • Aerolineas Argentinas

  • LATAM Airlines Group

  • GOL Linhas Aereas S.A.

How much is the cheapest flight to San Martín Department?

Prices were available within the past 7 days and start at $142 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Sat, Jun 13 - Fri, Jun 19
AEP
Buenos Aires
SDE
Santiago del Estero
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Sat, Jun 13 from Buenos Aires to Santiago del Estero, returning Fri, Jun 19, priced at $284 found 3 days ago
Aerolineas Argentinas
Thu, Jun 25 - Mon, Jun 29
AEP
Buenos Aires
SDE
Santiago del Estero
$287 Roundtrip, found 6 days ago
$287
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Thu, Jun 25 from Buenos Aires to Santiago del Estero, returning Mon, Jun 29, priced at $287 found 6 days ago
Aerolineas Argentinas
Sat, Jun 27 - Tue, Aug 4
AEP
Buenos Aires
SDE
Santiago del Estero
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Sat, Jun 27 from Buenos Aires to Santiago del Estero, returning Tue, Aug 4, priced at $293 found 2 days ago
Aerolineas Argentinas
Sat, Jul 4 - Thu, Jul 16
AEP
Buenos Aires
SDE
Santiago del Estero
$293 Roundtrip, found 3 hours ago
$293
Roundtrip
found 3 hours ago
Select Aerolineas Argentinas flight, departing Sat, Jul 4 from Buenos Aires to Santiago del Estero, returning Thu, Jul 16, priced at $293 found 3 hours ago
Aerolineas Argentinas
Sat, Jun 27 - Tue, Aug 4
AEP
Buenos Aires
SDE
Santiago del Estero
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Sat, Jun 27 from Buenos Aires to Santiago del Estero, returning Tue, Aug 4, priced at $304 found 6 days ago
Aerolineas Argentinas
Sat, Jun 27 - Tue, Aug 4
AEP
Buenos Aires
SDE
Santiago del Estero
$309 Roundtrip, found 6 days ago
$309
Roundtrip
found 6 days ago
Select Aerolineas Argentinas flight, departing Sat, Jun 27 from Buenos Aires to Santiago del Estero, returning Tue, Aug 4, priced at $309 found 6 days ago
Aerolineas Argentinas
Sat, Jul 4 - Thu, Jul 16
AEP
Buenos Aires
SDE
Santiago del Estero
$311 Roundtrip, found 3 hours ago
$311
Roundtrip
found 3 hours ago
Select Aerolineas Argentinas flight, departing Sat, Jul 4 from Buenos Aires to Santiago del Estero, returning Thu, Jul 16, priced at $311 found 3 hours ago
Aerolineas Argentinas
Sat, Jun 13 - Fri, Jun 19
AEP
Buenos Aires
SDE
Santiago del Estero
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select Aerolineas Argentinas flight, departing Sat, Jun 13 from Buenos Aires to Santiago del Estero, returning Fri, Jun 19, priced at $314 found 3 days ago
LATAM Airlines Group
Sun, Jun 7 - Thu, Jun 11
GRU
São Paulo
SDE
Santiago del Estero
$605 Roundtrip, found 2 days ago
$605
Roundtrip
found 2 days ago
Select LATAM Airlines Group flight, departing Sun, Jun 7 from São Paulo to Santiago del Estero, returning Thu, Jun 11, priced at $605 found 2 days ago
Air Canada
Tue, Jun 9 - Sat, Jun 13
DFW
Dallas
SDE
Santiago del Estero
$2,241 Roundtrip, found 13 hours ago
$2,241
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Tue, Jun 9 from Dallas to Santiago del Estero, returning Sat, Jun 13, priced at $2,241 found 13 hours 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.

Air Canada
Tue, Jun 9 - Sat, Jun 13
DFW
Dallas
SDE
Santiago del Estero
$2,241 Roundtrip, found 13 hours ago
$2,241
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Tue, Jun 9 from Dallas to Santiago del Estero, returning Sat, Jun 13, priced at $2,241 found 13 hours 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 dates and other details, click the "Search" button, then mark the checkbox directly below the "Flexible change policies" subheading (to the left). Expedia makes it a cinch to find affordable, flexible tickets to San Martín Department.
How can I find cheap tickets to San Martín Department?
To score an amazing deal to San Martín Department, book well ahead of time. Also think about using Expedia's "flexible dates" feature above your search results. This will show you the cheapest prices for nearby days. In the last seven days, $284 was the best price for a flight to San Martín Department.
How much is a flight to San Martín Department?
One-way flights taking off from Buenos Aires (AEP) sold for just $142 in the last seven days. During this period, the cost of a return journey to San Martín Department varied between $284 and $2,241. If you spot a deal, book immediately — these prices don't hang around.
When is the cheapest time to fly to San Martín Department?
If you'd prefer to spend your hard-earned vacation dollars exploring the delights of San Martín Department rather than on your flight there, take off early in the week. The most economical day to fly is generally Tuesday, with Monday coming in second. With many folks traveling on weekends, Saturday often has the highest airfares.
How much is a plane ticket to San Martín Department?
In the last seven days, fares to San Martín Department ranged between $284 and $2,241. Prices rise as your travel date nears, so snap up a great deal today.
What months are the cheapest to book a flight to San Martín Department?
February is an excellent month to get your hands on an awesome deal to San Martín Department. Bear in mind that the most expensive time to purchase tickets in the USA isn't during the peak of summer, but in December.

Book with confidence

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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.