Cheap flights from Sydney to Buenos Aires

One-way fares from $1,228 · SYD → BUE · prices found by travellers in the last 48 hours

Compare all dates Buenos Aires → Sydney
Cheapest fare
$1,228

Cathay Pacific · Tue, 17 Nov

Cheapest month
November

from $1,228

Direct flights
Not recently

Usually 1+ stop

Quickest trip
14h 50m

11,800 km

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Cheapest month to fly from Sydney to Buenos Aires

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

  1. November 2026 Cheapest $1,228
  2. December 2026 $1,636
  3. January 2027 $1,228
  4. March 2027 $1,257

Cheapest dates in November 2026

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

Cathay Pacific
Depart08:45 Tue, 17 NovSYD → EZE 33h 50m · 2 stops
$1,228one way, per person
View deal
Cathay Pacific
Depart08:45 Mon, 16 NovSYD → EZE 33h 50m · 2 stops
$1,231one way, per person
View deal
Cathay Pacific
Depart15:15 Thu, 12 NovSYD → EZE 33h 50m · 2 stops
$1,234one way, per person
View deal
Cathay Pacific
Depart11:05 Mon, 23 NovSYD → EZE 34h 10m · 2 stops
$1,234one way, per person
View deal
Cathay Pacific
Depart08:45 Sat, 14 NovSYD → EZE 33h 50m · 2 stops
$1,263one way, per person
View deal
Cathay Pacific
Depart15:15 Tue, 10 NovSYD → EZE 35h 25m · 2 stops
$1,283one way, per person
View deal
Virgin Australia
Depart11:20 Thu, 26 NovSYD → AEP 26h 50m · 2 stops
$1,453one way, per person
View deal
Cathay Pacific
Depart08:45 Wed, 25 NovSYD → EZE 34h 05m · 2 stops
$1,483one way, per person
View deal
See every date in November 2026 →

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 Sydney to Buenos Aires

Sydney (SYD) and Buenos Aires (BUE) are about 11,800 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 14h 50m. Over the next few months, one-way fares start from $1,228, and November 2026 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 Sydney to Buenos Aires?

The cheapest one-way fare we've seen recently is $1,228 with Cathay Pacific, departing Tuesday 17 November 2026. Over the coming months, the lowest fare in each month ranges from $1,228 to $1,636.

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

November 2026 currently has the lowest fares, from $1,228 one way.

Are there direct flights from Sydney to Buenos Aires?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Sydney to Buenos Aires?

The quickest journey we've seen takes about 14h 50m. Sydney and Buenos Aires are around 11,800 km apart.

Which airlines fly from Sydney to Buenos Aires?

Recent fares on this route were with Cathay Pacific, American Airlines, Virgin Australia, LATAM Airlines Group and Jetstar.

More cheap flights from Sydney

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