Cheap Flights to San Martín Department from $116

View $116 flight on Thu, Feb 19, 2026Opens in a new window

Popular airlines to San Martín Department

  • Aerolineas Argentinas

  • LATAM Airlines Group

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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 $116 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Sun, Jun 7 - Sun, Jun 14
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$231 Roundtrip, found 4 hours ago
$231
Roundtrip
found 4 hours ago
Select Aerolineas Argentinas flight, departing Sun, Jun 7 from Buenos Aires to Termas de Rio Hondo, returning Sun, Jun 14, priced at $231 found 4 hours ago
Aerolineas Argentinas
Thu, Feb 12 - Thu, Feb 26
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$251 Roundtrip, found 13 hours ago
$251
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Thu, Feb 12 from Buenos Aires to Termas de Rio Hondo, returning Thu, Feb 26, priced at $251 found 13 hours ago
Aerolineas Argentinas
Thu, Feb 12 - Sun, Feb 22
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$271 Roundtrip, found 15 hours ago
$271
Roundtrip
found 15 hours ago
Select Aerolineas Argentinas flight, departing Thu, Feb 12 from Buenos Aires to Termas de Rio Hondo, returning Sun, Feb 22, priced at $271 found 15 hours ago
Aerolineas Argentinas
Sun, Jun 7 - Sun, Jun 14
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$284 Roundtrip, found 4 hours ago
$284
Roundtrip
found 4 hours ago
Select Aerolineas Argentinas flight, departing Sun, Jun 7 from Buenos Aires to Termas de Rio Hondo, returning Sun, Jun 14, priced at $284 found 4 hours ago
Aerolineas Argentinas
Thu, Feb 12 - Thu, Feb 26
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$304 Roundtrip, found 13 hours ago
$304
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Thu, Feb 12 from Buenos Aires to Termas de Rio Hondo, returning Thu, Feb 26, priced at $304 found 13 hours ago
Aerolineas Argentinas
Sun, Jun 7 - Sun, Jun 14
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$317 Roundtrip, found 4 hours ago
$317
Roundtrip
found 4 hours ago
Select Aerolineas Argentinas flight, departing Sun, Jun 7 from Buenos Aires to Termas de Rio Hondo, returning Sun, Jun 14, priced at $317 found 4 hours ago
Aerolineas Argentinas
Thu, Feb 12 - Sun, Feb 22
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$324 Roundtrip, found 15 hours ago
$324
Roundtrip
found 15 hours ago
Select Aerolineas Argentinas flight, departing Thu, Feb 12 from Buenos Aires to Termas de Rio Hondo, returning Sun, Feb 22, priced at $324 found 15 hours ago
Aerolineas Argentinas
Thu, Feb 12 - Thu, Feb 26
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$338 Roundtrip, found 13 hours ago
$338
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Thu, Feb 12 from Buenos Aires to Termas de Rio Hondo, returning Thu, Feb 26, priced at $338 found 13 hours ago
Aerolineas Argentinas
Thu, Feb 12 - Sun, Feb 22
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$359 Roundtrip, found 15 hours ago
$359
Roundtrip
found 15 hours ago
Select Aerolineas Argentinas flight, departing Thu, Feb 12 from Buenos Aires to Termas de Rio Hondo, returning Sun, Feb 22, priced at $359 found 15 hours ago
Aerolineas Argentinas
Thu, Apr 2 - Thu, Apr 23
AEP
Buenos Aires
RHD
Termas de Rio Hondo
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Thu, Apr 2 from Buenos Aires to Termas de Rio Hondo, returning Thu, Apr 23, priced at $363 found 1 day ago
Copa
Wed, May 6 - Thu, May 21
AUS
Austin
RHD
Termas de Rio Hondo
$1,313 Roundtrip, found 23 hours ago
$1,313
Roundtrip
found 23 hours ago
Select Copa flight, departing Wed, May 6 from Austin to Termas de Rio Hondo, returning Thu, May 21, priced at $1,313 found 23 hours ago
Delta
Tue, May 5 - Sun, May 10
LAX
Los Angeles
RHD
Termas de Rio Hondo
$1,356 Roundtrip, found 1 hour ago
$1,356
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 5 from Los Angeles to Termas de Rio Hondo, returning Sun, May 10, priced at $1,356 found 1 hour ago
United
Wed, Jul 22 - Thu, Aug 6
ATL
Atlanta
RHD
Termas de Rio Hondo
$1,852 Roundtrip, found 4 days ago
$1,852
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 22 from Atlanta to Termas de Rio Hondo, returning Thu, Aug 6, priced at $1,852 found 4 days ago

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

*Flight schedules are subject to change.

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, $231 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 $116 in the last seven days. During this period, the cost of a return journey to San Martín Department varied between $231 and $1,852. 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 $231 and $1,852. 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.

*Flight schedules are subject to change.

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.

Copa
Wed, May 6 - Thu, May 21
AUS
Austin
RHD
Termas de Rio Hondo
$1,313 Roundtrip, found 23 hours ago
$1,313
Roundtrip
found 23 hours ago
Select Copa flight, departing Wed, May 6 from Austin to Termas de Rio Hondo, returning Thu, May 21, priced at $1,313 found 23 hours ago
Delta
Tue, May 5 - Sun, May 10
LAX
Los Angeles
RHD
Termas de Rio Hondo
$1,356 Roundtrip, found 1 hour ago
$1,356
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 5 from Los Angeles to Termas de Rio Hondo, returning Sun, May 10, priced at $1,356 found 1 hour ago
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