$1,250 Cheap Flights from Buenos Aires (BUE) to Sydney (SYD)

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Find available prices by choosing your travel dates.

Cheap Flights from Buenos Aires to Sydney (BUE-SYD)

Prices were available within the past 7 days and start at $1,250 for one-way flights and $1,550 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
LATAM Airlines Group
LATAM Airlines Group
LATAM Airlines Group
LATAM Airlines Group
LATAM Airlines Group
United
Turkish Airlines
Emirates
Iberia
Flights from Buenos Aires (EZE) to Sydney (SYD)
Origin airport
Ministro Pistarini Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, American Airlines, British Airways, Delta, Emirates, Iberia, LATAM Airlines Group, Qatar Airways, Turkish Airlines, United
Roundtrip price
$1,549
Distance
7312 mi

Buenos Aires to Sydney Flights

The cheapest times to fly from Buenos Aires to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buenos Aires to Sydney are during the month of May. You can find some of the cheapest flights from Buenos Aires to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buenos Aires to Sydney

Sunday is one of the best days to book for cheap flights from Buenos Aires to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buenos Aires to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buenos Aires to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,250 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buenos Aires to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buenos Aires to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much is a flight from Buenos Aires (BUE-All Airports) to Mascot Airport?
Round-trip tickets from Buenos Aires (BUE-All Airports) to Mascot Airport start from $1,550. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Buenos Aires (BUE-All Airports) to Kingsford Smith Intl. Airport (SYD)?
When it comes to cancellation fees, each airline has its own terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Buenos Aires (BUE-All Airports) to Mascot Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Buenos Aires (BUE-All Airports) to Mascot Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Buenos Aires (BUE-All Airports) to SYD?
With around 7334 mi separating Buenos Aires (BUE-All Airports) and Mascot Airport, your flight will be a long one. Pack wisely and make your time on board more comfortable. Little things like a sleep mask and a good travel pillow can make the biggest difference.
Which airlines fly direct from Buenos Aires (BUE-All Airports) to Kingsford Smith Intl. Airport (SYD)?
Unfortunately, there are no airlines that directly fly between Buenos Aires (BUE-All Airports) and Kingsford Smith Intl. Airport (SYD). You’ll need to book a flight with one or more stops.
Are Buenos Aires (BUE-All Airports) to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute deals between Buenos Aires (BUE-All Airports) and Sydney Airport are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers announce their prices up to 12 months before the departure date. Expedia is constantly updating the best bargains around, so keep checking back and be ready to lock in your seat when the price dips.

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*Available to One Key members.