Cheap flights from Santiago to Buenos Aires

One-way fares from $55 · SCL → BUE · prices found by travellers in the last 48 hours

Compare all dates Buenos Aires → Santiago
Cheapest fare
$55

JetSmart · Wed, Jan 13

Cheapest month
January

from $55

Direct flights
Yes

JetSmart, Aerolineas Argentinas and LATAM Airlines Group

Flight time
2h 05m

1,140 km

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Cheapest month to fly from Santiago to Buenos Aires

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $59
  2. December 2026 $69
  3. January 2027 Cheapest $55
  4. February 2027 $81
  5. March 2027 $74
  6. May 2027 $66
  7. July 2027 $104

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

JetSmart
Depart07:23 Wed, Jan 13SCL → AEP 2h 07m · Direct
$55one way, per person
View deal
JetSmart
Depart13:23 Fri, Jan 1SCL → AEP 2h 07m · Direct
$57one way, per person
View deal
JetSmart
Depart16:13 Thu, Jan 21SCL → EZE 2h 07m · Direct
$57one way, per person
View deal
JetSmart
Depart16:13 Tue, Jan 26SCL → EZE 2h 07m · Direct
$61one way, per person
View deal
Aerolineas Argentinas
Depart21:15 Tue, Jan 19SCL → AEP 2h 05m · Direct
$80one way, per person
View deal
JetSmart
Depart16:13 Tue, Jan 5SCL → EZE 2h 07m · Direct
$81one way, per person
View deal
JetSmart
Depart06:54 Sun, Jan 10SCL → AEP 2h 47m · 1 stop
$88one way, per person
View deal
JetSmart
Depart07:23 Mon, Jan 11SCL → AEP 2h 07m · Direct
$88one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Buenos Aires

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in Buenos AiresCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in Buenos AiresTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in Buenos AiresPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in Buenos AiresCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for ArgentinaMobile data from the moment you land, by Airalo Get eSIM →

About flights from Santiago to Buenos Aires

Santiago (SCL) and Buenos Aires (BUE) are about 1,140 km apart. Direct flights take around 2h 05m, and recent direct fares were with JetSmart, Aerolineas Argentinas and LATAM Airlines Group. Over the next few months, one-way fares start from $55, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Santiago to Buenos Aires?

The cheapest one-way fare we've seen recently is $55 with JetSmart, departing Wednesday, January 13, 2027. Over the coming months, the lowest fare in each month ranges from $55 to $104.

What is the cheapest month to fly from Santiago to Buenos Aires?

January 2027 currently has the lowest fares, from $55 one way.

Are there direct flights from Santiago to Buenos Aires?

Yes. Recent direct fares were with JetSmart, Aerolineas Argentinas and LATAM Airlines Group.

How long is the flight from Santiago to Buenos Aires?

A direct flight takes about 2h 05m. Santiago and Buenos Aires are around 1,140 km apart.

Which airlines fly from Santiago to Buenos Aires?

Recent fares on this route were with JetSmart, Aerolineas Argentinas and LATAM Airlines Group.

More cheap flights from Santiago

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