Cheap flights from Santiago to Buenos Aires, Argentina (SCL - BUE)

Flying from Santiago to Buenos Aires can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Santiago - Buenos Aires (SCL - BUE). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Buenos Aires to Santiago.

Airfares found by our users in the past 24 hours

The cheapest flight from Santiago to Buenos Aires is $138 on Sky Airline, departing on 03/23/2026 - 07:35 and returning on 04/04/2026 - 22:30.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Santiago to Buenos Aires by months

MonthRound-Trip
January 202627.01 - 03.02from $161
February 202606.02 - 07.02from $179
March 202623.03 - 04.04from $138
April 202609.04 - 10.04from $138
May 2026find now
June 2026find now
July 2026find now
August 2026find now
September 202601.09 - 11.09from $170
October 202624.10 - 03.11from $164
November 202611.11 - 14.11from $160
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Santiago to Buenos Aires

Air BosnaWebJet Linhas ASky AirlineDalavia
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