China EasternDepart02:00
Sun, Dec 13EZE → SYD
18h 25m · 1 stop
$1,106one way, per person
View deal
- Cheapest fare
- $1,106
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 18h 15m
China Eastern · Sun, Dec 13
from $1,106
Usually 1+ stop
11,800 km
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Cheapest month to fly from Buenos Aires to Sydney
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
China EasternChina EasternDepart02:00
Tue, Dec 1EZE → SYD
18h 15m · 1 stop
$1,150one way, per person
View deal
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Getting around
About flights from Buenos Aires to Sydney
Buenos Aires (BUE) and Sydney (SYD) 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 18h 15m. Over the next few months, one-way fares start from $1,106, and December 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 Buenos Aires to Sydney?
The cheapest one-way fare we've seen recently is $1,106 with China Eastern, departing Sunday, December 13, 2026. Over the coming months, the lowest fare in each month ranges from $1,106 to $1,531.
What is the cheapest month to fly from Buenos Aires to Sydney?
December 2026 currently has the lowest fares, from $1,106 one way.
Are there direct flights from Buenos Aires to Sydney?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Buenos Aires to Sydney?
The quickest journey we've seen takes about 18h 15m. Buenos Aires and Sydney are around 11,800 km apart.
Which airlines fly from Buenos Aires to Sydney?
Recent fares on this route were with China Eastern and LATAM Airlines Group.
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