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Cheap flights from Santiago to Buenos Aires

Santiago
SCL
Buenos Aires
BUE

Flight deals from Santiago to Buenos Aires

Below you can see the best deals on flights Santiago — Buenos Aires for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 7 September, from $53.

Top 10 cheap flights from Santiago to Buenos Aires

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JA
$ 57

Santiago — Buenos Aires

15:09—18:20
31 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

08:09—11:20
31 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

18:09—21:20
31 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

18:09—21:20
25 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

08:09—11:20
26 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

18:09—21:20
26 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

12:34—15:45
26 Aug 2026
2 h 11 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

18:12—21:20
1 Sep 2026
2 h 8 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

08:12—11:20
1 Sep 2026
2 h 8 m
Direct flight
JA
$ 57

Santiago — Buenos Aires

12:19—15:30
29 Aug 2026
2 h 11 m
Direct flight
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Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Santiago to Buenos Aires?

The price of a flight from Santiago to Buenos Aires changes depending on how far ahead you book. For the best chance of a lower fare, book around 25 days before departure, when the average ticket costs about $1,318. Fares also tend to climb as the departure date gets closer.

About the Santiago — Buenos Aires flight

On this page, you can find and book flights from Santiago to Buenos Aires. The distance between the cities is 1,141 km, with high-frequency air travel supported by approximately 104 weekly flights.

Flights on this route are operated by LATAM, Aerolíneas Argentinas, and Sky Airline. Ticket prices fluctuate constantly, so we recommend using the low-fare calendar to find the best deals. You can also check in advance how to get to Santiago Airport and how to get from Buenos Aires Airport to the city center.

Flight ticket prices by day: Santiago — Buenos Aires

Below is a calendar of the lowest flight ticket prices for Santiago — Buenos Aires by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $53 in F, and the most expensive are around $137 in r. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Santiago → Buenos Aires, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$170highMay$101lowSep$103low
Feb$157highJun$94lowOct$119medium
Mar$126mediumJul$163highNov$132medium
Apr$119mediumAug$98lowDec$176high

Some values are estimated based on seasonality.

When to fly

The weather in Buenos Aires is most favorable for travel in January, when average highs reach 28.8°C. The coolest month is July, with temperatures around 14.2°C, while precipitation typically peaks in March.

From a budget perspective, the most affordable time to plan your flight is July, when tickets start $52. The most expensive month for booking this route is May, when the minimum price increases $152.

September and October are excellent choices for balancing price and weather conditions, as the spring warmth is paired with moderate fares. It is best to avoid May if your primary goal is to find the most budget-friendly airfare.

Temperature · Buenos Aires

Dry and wet days · Buenos Aires

Wind speed and direction · Buenos Aires

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How to get the best deal on a Santiago — Buenos Aires ticket

  • Book your tickets at least 4–6 weeks in advance, as prices on this popular route tend to rise significantly closer to the departure date.
  • Consider low-cost carriers like Sky Airline and JetSmart, which often offer competitive fares, but keep in mind that baggage is usually an additional fee.
  • Use the low-fare calendar on this page to compare departures on different days of the week—flights from Tuesday to Thursday are often cheaper than weekend travel.
  • Check your arrival airport in Buenos Aires: flights may land at either Ezeiza International Airport (EZE) or Aeroparque (AEP), which affects both the cost and time of your transfer.

Airlines

Five airlines operate on the Santiago to Buenos Aires route, with LATAM Airlines and the national carrier Aerolíneas Argentinas leading in flight frequency. A total of approximately 104 flights are operated weekly, including regular direct flights and connecting options. A full schedule for specific dates and details for each carrier are available in the list below.

  • Latam Airlines GroupLA
    45x/week
    WebsiteFleet: 34782M pax/year
    • Direct flight SCL → AEP23x/week
      Duration
      2h 4m
      Days
      MTWTFSS
    • Direct flight SCL → EZE22x/week
      Duration
      2h 6m
      Days
      MTWTFSS
    43.1%Open →
  • Aerolineas ArgentinasAR
    25x/week
    WebsiteFleet: 8411.2M pax/year
    • Direct flight SCL → AEP23x/week
      Duration
      2h 5m
      Days
      MTWTFSS
    • Direct flight SCL → EZE2x/week
    23.8%Open →
  • JetSmartJA
    19x/week
    WebsiteFleet: 328.2M pax/year
    • Direct flight SCL → AEP14x/week
      Duration
      2h 8m
      Days
      MTWTFSS
    • Direct flight SCL → EZE4x/week
      Duration
      2h 10m
      Days
      MTWTFSS
    18.0%Open →
  • Sky AirlineH2
    11x/week
    WebsiteFleet: 368.7M pax/year
    • Direct flight SCL → AEP9x/week
      Duration
      2h 1m
      Days
      MTWTFSS
    • Direct flight SCL → EZE3x/week
      Duration
      2h 5m
      Days
      MTWTFSS
    10.9%Open →
  • KLMKL
    4x/week
    WebsiteFleet: 11230.3M pax/year
    • Direct flight SCL → EZE4x/week
      Duration
      2h
      Days
      MTWTFSS
    4.2%Open →

Cities and airports on the Santiago — Buenos Aires route

Flights Santiago — Buenos Aires depart from Arturo Merino Benitez Airport and arrive at Jorge Newbery Airport and Ministro Pistarini Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Santiago

SCL
Chile
About the cityHow to get thereWeatherAll about the country Chile
Arrival

Buenos Aires

BUE
Argentina
About the cityHow to get thereWeatherAll about the country Argentina
Departure airports
Arrival airports

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Frequently asked questions about the Santiago — Buenos Aires flight

How long is the flight from Santiago to Buenos Aires?

A direct flight covers the 1,141 km distance in about 1 hour 45 minutes to 2 hours, depending on the aircraft type and weather conditions over the Andes.

Which airlines fly this route?

Regular flights between the cities are operated by LATAM, Aerolíneas Argentinas, Sky Airline, JetSmart, and KLM.

Are there direct flights from Santiago to Buenos Aires?

Yes, there is frequent direct air service between the cities, with about 15 different non-stop flights operating daily.

How much is the cheapest ticket?

Flight prices are dynamic and depend on demand. You can see the current minimum for the coming months in the low-fare calendar and price trend chart on this page.

Which airport does the flight arrive at?

In Buenos Aires, flights from Santiago usually arrive at Ministro Pistarini International Airport (Ezeiza) or the regional Jorge Newbery Aeroparque.

Where else you can fly from Santiago

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CalamaAntofagastaLimaSao PauloConcepciónPuerto MonttLa SerenaRio de JaneiroIquiqueBogotaCopiapoPanama CityPunta ArenasMadridFlorianopolisAricaTemucoMendozaMiamiBalmacedaMontevideoMexico CityHanga RoaSydneyOsornoHoustonAtlantaBelo HorizonteBarilocheBrasiliaCuscoDallasLos AngelesNew York CityTorontoCordobaGuayaquilParisBarcelonaMelbourne

Where else you can fly from Buenos Aires

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Sao PauloCordobaRio de JaneiroMendozaPuerto IguazuBarilocheSaltaNeuquénUshuaiaSan Miguel de TucumánFlorianopolisAsunciónLimaEl CalafateMadridBogotaPanama CityComodoro RivadaviaMiamiSan Salvador de JujuyPosadasRosarioMontevideoPunta CanaResistenciaMar del PlataNew York CitySanta Cruz de la SierraBarcelonaSalvadorRomePorto AlegreRecifeBrasiliaAtlantaSan Martín de los AndesPunta del EsteBahia BlancaFrankfurt am MainCuritiba

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