Santiago to Buenos Aires flights
The cheapest round trip we found from Santiago to Buenos Aires is $222 (Jan 10 – 14, 2027, Nonstop), 7% below the usual $238.
SCL to BUE · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $204 (cheapest month) |
| December 2026 | $241 |
| January 2027 | $209 |
| February 2027 | No fares found yet |
| March 2027 | $240 |
| April 2027 | $235 |
| May 2027 | $235 |
| June 2027 | $249 |
| July 2027 | No fares found yet |
| August 2027 | No fares found yet |
| September 2027 | $277 |
Cheapest dates in the next 4 months
Round trip, per person-
Jan 10 – 14, 2027 4 nights · leave Sun$222 −7% vs usual$222 −7% vs usual Book
Sky Airline Nonstop · 2h 05m -
Nov 25 – Dec 2 7 nights · leave Wed$337 +42% vs usual$337 +42% vs usual Book
Aerolineas Argentinas Nonstop · 2h 05m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Buenos Aires
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Airport transfer to Buenos Aires
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Plan the rest of your trip
Buenos Aires · Jan 10 – 14, 2027- eSIM for Argentina Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental Economybookings · compare rental companies (opens Economybookings in a new tab)
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Good to know
More from Santiago
- Calama $65 −10%
- Punta Arenas $163
- Puerto Natales $282
- Temuco $64
- Copiapo $90
- Antofagasta $145
- Mendoza $185
- Arica $252
Flights to Buenos Aires from other cities
All flights to Buenos Aires
Santiago to Buenos Aires: questions
How much does a flight from Santiago to Buenos Aires cost?
The cheapest round trip we have found right now is $222, leaving January 10 and returning January 14. The usual price on this route is about $238, so this fare is 7% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Santiago to Buenos Aires?
November 2026, with round trips from $204. The most expensive month in our data is September (from $277). Based on the 8 months ahead we have prices for.
Which airports do Santiago to Buenos Aires flights use?
Santiago airports include Arturo Merino Benitez (SCL). Buenos Aires airports include Ministro Pistarini (EZE) and Jorge Newbery (AEP). The prices on this page cover every airport in both cities (SCL and BUE are the city codes).
About this route
We track round-trip economy fares from Santiago (Chile) to Buenos Aires (Argentina) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $222, departing January 10 and returning January 14 on a nonstop flight, about 7% below the usual $238. The cheapest month to fly in our data is November, from $204. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.