Cheap flights from Sydney to Buenos Aires
from 823 US$
From 1688 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 823 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Sydney to Buenos Aires, a about 11,801 km route (around 15h 15m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Aerolineas Argentinas operate this route.
The airports on this route
About 30 km from central Buenos Aires
Getting around: Direct buses, remises, taxis and apps
The long-haul international gateway; allow 45–75 min to the center.
About 6 km from downtown, on the riverfront
Getting around: Taxis, apps, city buses and remises
Domestic and regional, right in the city: usually the convenient one within the Southern Cone.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Sydney to Buenos Aires?
It's usually 2026-09, from 823 USD. Use the price calendar to compare other dates.
How long is the flight from Sydney to Buenos Aires?
A nonstop flight takes about 15h 15m and covers around 11,801 km. Connecting itineraries take longer.
Are there direct flights from Sydney to Buenos Aires?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Sydney to Buenos Aires?
Aerolineas Argentinas operate this route, among others. Compare them all in the results.
When should I book Sydney–Buenos Aires flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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