Cheap Flights from Sydney (SYD) to Buenos Aires (BAI)

Popular airlines from Sydney Airport (SYD) to Buenos Aires (BAI)

Flights from Sydney (SYD) to Buenos Aires (BAI)
Origin airport
Kingsford Smith Intl.
Destination airport
Buenos Aires
Distance
8593 mi

Sydney to Buenos Aires Flights

The cheapest times to fly from Sydney to Buenos Aires

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 Sydney to Buenos Aires are during the month of . You can find some of the cheapest flights from Sydney to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Sydney to Buenos Aires: 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 Sydney to Buenos Aires

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 Sydney to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Sydney to Buenos Aires 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 Sydney to Buenos Aires 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 does a flight from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI) cost?
Grab a cheap one-way flight or cheap return flight from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI)?
is the most affordable month to fly from SYD to BAI. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SYD to BAI. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI)?
You'll need to book a flight with a layover when traveling from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SYD to BAI?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI)?
Opt for a flight from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI) last-minute?
Waiting until just before your departure to book your flight from SYD to BAI generally means paying more. Although you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a SYD to BAI flight and hotel package?
Compared with arranging hotels and flights separately, booking a SYD to BAI flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Buenos Aires (BAI)?
Typically, it's possible to reschedule or cancel your SYD to BAI flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.