Warmest Destinations Next Weekend from Buenos Aires 2026

20 warmest destinations with direct flights from Buenos Aires next weekend. Santa Cruz has the best conditions. Flights from €62 to Mendoza.

Top Picks

Best Overall Lima 22°C from €281

Sunniest San Luis Clear skies from €215

Hottest Santa Cruz 38°C from €389

Cheapest Flight Mendoza €62 Clear skies

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Updated 17 Sep 2026 Ranked by sunshine, temperature & flight price

Warmest Destinations from Buenos Aires

14-day forecast: weather for next weekend gives a good indication of conditions, but accuracy improves as the weekend gets closer. See this weekend →

Fri 25 – Tue 29

Santa Cruz, Bolivia

38°C Mostly sunny from €389

Fri 25 – Tue 29 Sep · 4 nights

Fri 38°C

Sat 40°C

Sun 39°C

Mon 36°C

Tue 38°C

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Thu 24 – Sun 27

Asuncion, Paraguay

35°C Clear skies from €218

Thu 24 – Sun 27 Sep · 3 nights

Thu 36°C

Fri 40°C

Sat 40°C

Sun 25°C

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Thu 24 – Mon 28

Formosa, Argentina

33°C Mostly sunny from €186

Thu 24 – Mon 28 Sep · 4 nights

Thu 36°C

Fri 39°C

Sat 35°C

Sun 27°C

Mon 27°C

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Fri 25 – Mon 28

Posadas, Argentina

28°C Mostly sunny from €165

Fri 25 – Mon 28 Sep · 3 nights

Fri 30°C

Sat 30°C

Sun 25°C

Mon 25°C

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Sat 26 – Fri 2

San Miguel de Tucuman, Argentina

27°C Mostly sunny from €96

Sat 26 Sep – Fri 2 Oct · 6 nights

Sat 32°C

Sun 19°C

Mon 25°C

Tue 34°C

Wed 25°C

Thu 26°C

Fri 30°C

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Fri 25 – Wed 30

Catamarca, Argentina

27°C Clear skies from €231

Fri 25 – Wed 30 Sep · 5 nights

Fri 32°C

Sat 31°C

Sun 24°C

Mon 28°C

Tue 24°C

Wed 23°C

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Sat 26 – Thu 1

San Salvador de Jujuy, Argentina

26°C Mostly sunny from €177

Sat 26 Sep – Thu 1 Oct · 5 nights

Sat 35°C

Sun 20°C

Mon 24°C

Tue 35°C

Wed 21°C

Thu 23°C

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Sat 26 – Thu 1

Santiago del Estero, Argentina

26°C Mostly sunny from €265

Sat 26 Sep – Thu 1 Oct · 5 nights

Sat 31°C

Sun 21°C

Mon 28°C

Tue 27°C

Wed 24°C

Thu 25°C

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Sat 26 – Fri 2

Salta, Argentina

26°C Mostly sunny from €108

Sat 26 Sep – Fri 2 Oct · 6 nights

Sat 35°C

Sun 19°C

Mon 21°C

Tue 35°C

Wed 21°C

Thu 22°C

Fri 26°C

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Fri 25 – Thu 1

#10

La Rioja, Argentina

25°C Mostly sunny from €153

Fri 25 Sep – Thu 1 Oct · 6 nights

Fri 30°C

Sat 30°C

Sun 24°C

Mon 26°C

Tue 24°C

Wed 22°C

Thu 22°C

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Fri 25 – Mon 28

#11

San Luis, Argentina

24°C Clear skies from €215

Fri 25 – Mon 28 Sep · 3 nights

Fri 26°C

Sat 22°C

Sun 22°C

Mon 26°C

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Fri 25 – Mon 28

#12

San Juan, Argentina

24°C Clear skies from €143

Fri 25 – Mon 28 Sep · 3 nights

Fri 27°C

Sat 22°C

Sun 21°C

Mon 27°C

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Thu 24 – Sun 27

#13

Merlo, Argentina

24°C Clear skies from €184

Thu 24 – Sun 27 Sep · 3 nights

Thu 26°C

Fri 24°C

Sat 24°C

Sun 21°C

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Fri 25 – Mon 28

#14

Rio Cuarto, Argentina

23°C Mostly sunny from €158

Fri 25 – Mon 28 Sep · 3 nights

Fri 24°C

Sat 20°C

Sun 21°C

Mon 27°C

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Sat 26 – Thu 1

#15

Santa Fe, Argentina

23°C Mostly sunny from €205

Sat 26 Sep – Thu 1 Oct · 5 nights

Sat 25°C

Sun 24°C

Mon 25°C

Tue 22°C

Wed 19°C

Thu 21°C

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Sat 26 – Wed 30

#16

Cordoba, Argentina

23°C Clear skies from €85

Sat 26 – Wed 30 Sep · 4 nights

Sat 22°C

Sun 23°C

Mon 29°C

Tue 20°C

Wed 20°C

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Sat 26 – Thu 1

#17

Rosario, Argentina

22°C Mostly sunny from €120

Sat 26 Sep – Thu 1 Oct · 5 nights

Sat 25°C

Sun 25°C

Mon 22°C

Tue 21°C

Wed 19°C

Thu 23°C

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Fri 25 – Mon 28

#18

Lima, Peru

22°C Clear skies from €281

Fri 25 – Mon 28 Sep · 3 nights

Fri 21°C

Sat 21°C

Sun 21°C

Mon 22°C

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Thu 24 – Tue 29

#19

San Rafael, Argentina

21°C Mostly sunny from €179

Thu 24 – Tue 29 Sep · 5 nights

Thu 27°C

Fri 21°C

Sat 19°C

Sun 17°C

Mon 24°C

Tue 18°C

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Sat 26 – Tue 29

#20

Mendoza, Argentina

20°C Clear skies from €62

Sat 26 – Tue 29 Sep · 3 nights

Sat 21°C

Sun 18°C

Mon 25°C

Tue 16°C

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Frequently Asked Questions

Where is warmest destinations next weekend from Buenos Aires?

We found 20 warmest destinations with direct flights from Buenos Aires for next weekend. Santa Cruz has the best conditions.

What is the cheapest warmest destination from Buenos Aires?

Santa Cruz is the cheapest option from Buenos Aires, with return flights from €389.

How does HotWeekends pick Warmest Destinations?

We combine live 14-day weather forecasts with real-time direct return flight prices for Saturday–Monday departures. A destination needs an average daytime temperature of at least 18°C to appear on this page.

Can I filter by budget or number of nights?

Yes. Use the full search from Buenos Aires to filter by max flight price, hotel budget, number of nights, and more.