How long is the flight from Sydney to Buenos Aires?

Departing from Sydney to Buenos Aires will take you 17h 30m. There are 11790 km between Sydney and Buenos Aires. This flight may include one or multiple stops.

What are the cheapest airlines flying from Sydney to Buenos Aires round-trip?

Currently priced at $1,862, LATAM Airlines will fly you from Sydney to Buenos Aires and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Air Canada - these airlines can fly you to your destination from $1,979 and $2,206, respectively. LATAM Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

Travellers seeking maximum savings on their Sydney to Buenos Aires flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular airlines that fly from Sydney to Buenos Aires?

Before booking your flight from Sydney to Buenos Aires, check out the most popular airlines for this route: American Airlines, Air Canada or LATAM Airlines.

Where are the most common stopover locations when flying from Sydney to Buenos Aires?

Of the flights from Sydney to Buenos Aires that have stopovers, most of them stop in Santiago.

Where are the least popular stopover locations for Sydney to Buenos Aires flights?

Sydney to Buenos Aires flights have a stopover in Auckland the least frequently.

What is the cheapest day to fly return from Sydney to Buenos Aires?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Sydney to Buenos Aires?

To save on the cost of your flight from Sydney to Buenos Aires, book at least 21 days before your planned departure. Booking around this time can save you about 22% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $2,253 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,688.

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

The best pricing can be found in the month of May. Prices to Buenos Aires from Sydney average $2,557. You can even find prices in May for less than $2,557, as users have found deals to Buenos Aires from as low as $2,064. The month of December appears to be one of the more expensive times to travel to Buenos Aires from Sydney. Flying in the targeted month can save you up to 32%.

What airport do you fly from for flights from Sydney to Buenos Aires?

Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Kingsford Smith; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Sydney airport to Buenos Aires. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

Can I find deals for flights from Sydney to Buenos Aires that include hotel bookings?

Yes. In addition to deals on Sydney to Buenos Aires flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to Buenos Aires?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Buenos Aires.

Can I find deals for business class flights from Sydney to Buenos Aires?

Yes. Cheapflights offers flight deals from Sydney to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,175+ Flights from Sydney to Buenos Aires

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Buenos Aires are usually found in May or July, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Sydney to Buenos Aires

Round-trip from	$1,949
One-way from	$1,175
Popular in	December
Cheapest in	May
Average price	$2,457

British Airways
30/10-6/11
4 total stops
78h 20m total
Sydney to Buenos Aires

Search Deals

LATAM Airlines
19/11
2 total stops
19h 55m total
Sydney to Buenos Aires

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($607 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($114 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Sydney to Buenos Aires

Cheapest flights from Sydney to Buenos Aires
Explore the most affordable flight options available from Sydney to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 30/1011:20SYD - EZE

2 stops33h 45mBritish Airways

Thu 6/1122:25EZE - SYD

2 stops44h 35mBritish Airways

Deal found 15/9$1,949

Tue 21/1010:10SYD - EZE

2 stops35h 15mAmerican Airlines

Mon 27/1023:35EZE - SYD

2 stops43h 25mAmerican Airlines

Deal found 14/9$1,963

Mon 13/1010:10SYD - EZE

2 stops35h 15mIberia

Fri 24/1022:30EZE - SYD

2 stops44h 30mIberia

Deal found 15/9$1,966

Tue 28/1011:20SYD - EZE

2 stops35h 00mBritish Airways

Tue 4/1123:20EZE - SYD

2 stops43h 40mBritish Airways

Deal found 13/9$1,969

Sun 9/1111:20SYD - EZE

2 stops35h 40mAmerican Airlines

Sun 16/1123:59EZE - SYD

2 stops43h 01mAmerican Airlines

Deal found 13/9$1,970

Thu 30/1011:20SYD - EZE

2 stops33h 45mAmerican Airlines

Thu 6/1123:59EZE - SYD

2 stops43h 01mAmerican Airlines

Deal found 15/9$1,972

Tue 28/1011:20SYD - EZE

2 stops33h 45mAmerican Airlines

Tue 4/1123:59EZE - SYD

2 stops43h 01mAmerican Airlines

Deal found 13/9$1,984

Mon 13/1010:10SYD - EZE

2 stops36h 50mAmerican Airlines

Mon 20/1022:30EZE - SYD

2 stops43h 35mAmerican Airlines

Deal found 13/9$1,985

Mon 15/909:10SYD - EZE

2 stops36h 45mAmerican Airlines

Mon 22/922:30EZE - SYD

2 stops43h 35mAmerican Airlines

Deal found 14/9$1,988

Tue 7/1010:10SYD - EZE

2 stops35h 15mAmerican Airlines

Tue 21/1022:30EZE - SYD

2 stops43h 35mAmerican Airlines

Deal found 13/9$1,991

Thu 6/1111:20SYD - EZE

2 stops34h 50mBritish Airways

Wed 19/1122:25EZE - SYD

2 stops44h 35mBritish Airways

Deal found 14/9$2,042

Thu 6/1111:10SYD - AEP

1 stop22h 30mLATAM Airlines

Wed 19/1111:30AEP - SYD

1 stop28h 50mLATAM Airlines

Deal found 13/9$2,265

Best flights from Sydney to Buenos Aires
Discover carefully curated flight deals from Sydney to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Sat 8/1111:10SYD - AEP

1 stop17h 30mLATAM Airlines

Fri 21/1121:05AEP - SYD

1 stop19h 15mLATAM Airlines

Deal found 14/9$2,346

Wed 29/1007:05SYD - AEP

2 stops26h 35mMultiple Airlines

Wed 5/1115:40AEP - SYD

1 stop24h 40mMultiple Airlines

Deal found 14/9$2,455

Mon 16/221:15SYD - EZE

3 stops63h 10mTurkish Airlines

Sun 8/323:55EZE - SYD

3 stops53h 25mTurkish Airlines

Deal found 12/9$2,761

Mon 23/212:10SYD - EZE

2 stops57h 10mUnited Airlines

Sat 28/223:55EZE - SYD

1 stop41h 05mUnited Airlines

Deal found 12/9$2,964

Tue 11/1111:10SYD - AEP

1 stop17h 30mLATAM Airlines

Tue 18/1115:40AEP - SYD

1 stop24h 40mLATAM Airlines

Deal found 14/9$2,346

Wed 29/1007:05SYD - EZE

2 stops25h 38mMultiple Airlines

Wed 5/1119:43EZE - SYD

1 stop20h 37mMultiple Airlines

Deal found 14/9$2,455

Wed 12/1111:10SYD - AEP

1 stop17h 30mLATAM Airlines

Sun 16/1121:05AEP - SYD

1 stop19h 15mLATAM Airlines

Deal found 14/9$2,346

Tue 21/1019:30SYD - EZE

2 stops35h 41mMultiple Airlines

Wed 12/1104:05EZE - SYD

2 stops36h 15mMultiple Airlines

Deal found 15/9$2,493

Wed 25/221:15SYD - EZE

3 stops63h 10mTurkish Airlines

Sun 8/323:55EZE - SYD

3 stops53h 25mTurkish Airlines

Deal found 12/9$2,761

Thu 13/1111:10SYD - AEP

1 stop22h 30mLATAM Airlines

Sun 16/1115:40AEP - SYD

1 stop24h 40mLATAM Airlines

Deal found 14/9$2,346

Wed 11/307:25SYD - AEP

2 stops21h 15mMultiple Airlines

Sun 22/315:40AEP - SYD

1 stop24h 40mMultiple Airlines

Deal found 15/9$2,497

Sun 9/1111:10SYD - AEP

1 stop22h 30mLATAM Airlines

Tue 25/1120:25AEP - SYD

2 stops43h 55mLATAM Airlines

Deal found 14/9$2,346

Last-minute flights from Sydney to Buenos Aires
Discover last-minute flight deals from Sydney to Buenos Aires. Data last updated 16 September 2025 and is based on user searches.

Mon 15/909:10SYD - EZE

2 stops36h 45mAmerican Airlines

Mon 22/922:30EZE - SYD

2 stops43h 35mAmerican Airlines

Deal found 14/9$1,988

Sun 5/1010:10SYD - EZE

2 stops35h 10mAmerican Airlines

Sat 25/1022:30EZE - SYD

2 stops44h 30mAmerican Airlines

Deal found 16/9$2,095

Fri 10/1010:10SYD - EZE

2 stops38h 05mAmerican Airlines

Wed 22/1022:30EZE - SYD

2 stops43h 35mAmerican Airlines

Deal found 14/9$1,970

Mon 13/1010:10SYD - EZE

2 stops35h 15mIberia

Fri 24/1022:30EZE - SYD

2 stops44h 30mIberia

Deal found 15/9$1,966

Mon 13/1010:10SYD - EZE

2 stops36h 50mAmerican Airlines

Fri 24/1022:30EZE - SYD

2 stops44h 30mAmerican Airlines

Deal found 14/9$2,080

Mon 13/1012:50SYD - AEP

2 stops20h 50mLATAM Airlines

Fri 24/1021:05AEP - SYD

1 stop20h 40mLATAM Airlines

Deal found 15/9$2,316

Wed 15/1010:10SYD - EZE

2 stops35h 15mAmerican Airlines

Wed 22/1022:30EZE - SYD

2 stops43h 35mAmerican Airlines

Deal found 14/9$2,088

Mon 20/1010:10SYD - EZE

2 stops35h 15mAmerican Airlines

Fri 24/1022:30EZE - SYD

2 stops44h 30mAmerican Airlines

Deal found 16/9$1,985

Tue 21/1010:10SYD - EZE

2 stops35h 15mAmerican Airlines

Mon 27/1023:35EZE - SYD

2 stops43h 25mAmerican Airlines

Deal found 14/9$1,963

Thu 30/1011:20SYD - EZE

2 stops33h 45mBritish Airways

Thu 6/1122:25EZE - SYD

2 stops44h 35mBritish Airways

Deal found 15/9$1,949

Thu 30/1011:20SYD - EZE

2 stops33h 45mAmerican Airlines

Thu 6/1123:59EZE - SYD

2 stops43h 01mAmerican Airlines

Deal found 15/9$1,972

Thu 30/1011:10SYD - AEP

1 stop22h 30mLATAM Airlines

Thu 6/1111:30AEP - SYD

1 stop28h 50mLATAM Airlines

Deal found 15/9$2,349

One-way flights from Sydney to Buenos Aires
Search for one-way flight options from Sydney to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Wed 19/1108:45SYD - AEP

2 stops19h 55mLATAM Airlines

Deal found 14/9$1,175

Sat 15/1111:10SYD - AEP

1 stop22h 30mLATAM Airlines

Deal found 12/9$1,196

Thu 20/1111:10SYD - EZE

2 stops29h 40mLATAM Airlines

Deal found 14/9$1,208

Thu 20/1108:30SYD - AEP

2 stops25h 10mMultiple Airlines

Deal found 14/9$1,219

Thu 20/1108:45SYD - EZE

2 stops23h 58mMultiple Airlines

Deal found 14/9$1,219

Sat 15/1122:00SYD - EZE

2 stops34h 43mMultiple Airlines

Deal found 12/9$1,222

Thu 13/1111:10SYD - AEP

1 stop17h 30mLATAM Airlines

Deal found 14/9$1,229

Thu 13/1111:10SYD - EZE

1 stop21h 33mLATAM Airlines

Deal found 14/9$1,229

Sun 16/1111:10SYD - AEP

1 stop22h 30mLATAM Airlines

Deal found 14/9$1,231

Sun 16/1111:10SYD - EZE

1 stop21h 33mLATAM Airlines

Deal found 14/9$1,231

Sat 15/1111:10SYD - EZE

1 stop23h 45mLATAM Airlines

Deal found 13/9$1,232

Fri 14/1111:10SYD - EZE

1 stop23h 45mLATAM Airlines

Deal found 14/9$1,246

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 8/11

11:10-14:40

1 stop17h 30m

Buenos Aires Jorge Newbery

Fri 21/11

21:05-06:20

1 stop19h 15m

$2,346

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Tue 11/11

11:10-14:40

1 stop17h 30m

Buenos Aires Jorge Newbery

Tue 18/11

15:40-06:20

1 stop24h 40m

$2,346

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Wed 12/11

11:10-14:40

1 stop17h 30m

Buenos Aires Jorge Newbery

Sun 16/11

21:05-06:20

1 stop19h 15m

$2,346

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 13/11

11:10-19:40

1 stop22h 30m

Buenos Aires Jorge Newbery

Sun 16/11

15:40-06:20

1 stop24h 40m

$2,346

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sun 9/11

11:10-19:40

1 stop22h 30m

Buenos Aires Jorge Newbery

Tue 25/11

20:25-06:20

2 stops43h 55m

$2,346

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 8/11

11:10-14:40

1 stop17h 30m

Buenos Aires Jorge Newbery

Sat 22/11

11:30-06:20

1 stop28h 50m

$2,349

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Wed 12/11

11:10-19:40

1 stop22h 30m

Buenos Aires Jorge Newbery

Sat 22/11

21:05-06:20

1 stop19h 15m

$2,349

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Wed 29/10

07:05-19:40

2 stops26h 35m

Buenos Aires Jorge Newbery

Wed 5/11

15:40-06:20

1 stop24h 40m

$2,455

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Wed 29/10

07:05-18:43

2 stops25h 38m

Buenos Aires Ministro Pistarini

Wed 5/11

19:43-06:20

1 stop20h 37m

$2,455

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 10/10

13:20-07:40

1 stop32h 20m

Buenos Aires Jorge Newbery

Wed 22/10

21:05-10:35

2 stops23h 30m

$2,491

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 34 results

Best time to book a flight from Sydney to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Sydney with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Buenos Aires

How far ahead should I book a flight from Sydney to Buenos Aires?

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest time of day to fly from SYD to BUE?

It’s optimal to fly from Sydney to Buenos Aires in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at midday.

What’s the top stopover airport for flights from Sydney to Buenos Aires?

Santiago (SCL) – chosen by Cheapflights users on 100% of one-stop itineraries from Sydney to Buenos Aires on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to Buenos Aires?

Santiago (SCL) is the most affordable one-stop option, with an average return flight price of $2,557.

What’s the fastest stopover option from Sydney to Buenos Aires?

Flights via Santiago (SCL) have the shortest average one-way travel time for one-stop routes: 18h 50m.

Which airport typically offers the quickest stopover for flights from Sydney to Buenos Aires?

Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 2h 10m.

Reviews of airlines servicing Buenos Aires

Read through reviews of airlines operating flights from Sydney to Buenos Aires, such as LATAM Airlines, United Airlines, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

The Wi-Fi was not working, so there was no in-flight entertainment. The biggest disappointment was that my Delta diamond status did not transfer any status to my LATAM flight. I WOULD’VE THOUGHT THAT THERE WOULD BE A BETTER WORKING AGREEMENT BETWEEN THE AIRLINES.

LATAM Airlines

7.5

Good

1,847 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

United Airlines

7.4

Good

8,929 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

Turkish Airlines

7.3

Good

3,968 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

American Airlines

7.2

Good

10,000 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

Air Canada

7.1

Good

10,000 reviews

LATAM Airlines

7.5

Good

1,847 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Darrel,Sept 2025

LIM - GRU

Related info for your journey

What airport do you fly from for flights from Sydney to Buenos Aires?
Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Kingsford Smith; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Sydney airport to Buenos Aires. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.
How long is the flight from Sydney to Buenos Aires?
Departing from Sydney to Buenos Aires will take you 17h 30m. There are 11790 km between Sydney and Buenos Aires. This flight may include one or multiple stops.
What are the cheapest airlines flying from Sydney to Buenos Aires round-trip?
Currently priced at $1,862, LATAM Airlines will fly you from Sydney to Buenos Aires and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Air Canada - these airlines can fly you to your destination from $1,979 and $2,206, respectively. LATAM Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.
Where are the most common stopover locations when flying from Sydney to Buenos Aires?
Of the flights from Sydney to Buenos Aires that have stopovers, most of them stop in Santiago.
Where are the least popular stopover locations for Sydney to Buenos Aires flights?
Sydney to Buenos Aires flights have a stopover in Auckland the least frequently.
Can I find deals for flights from Sydney to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Sydney to Buenos Aires flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Buenos Aires.
Can I find deals for business class flights from Sydney to Buenos Aires?
Yes. Cheapflights offers flight deals from Sydney to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly from Sydney to Buenos Aires on these airlines

LATAM Airlines flights from Sydney Kingsford Smith to Buenos Aires

United Airlines flights from Sydney Kingsford Smith to Buenos Aires

Complete your trip

Buenos Aires car hire

Buenos Aires Ministro Pistarini Airport car hire

Buenos Aires Jorge Newbery Airport car hire

San Carlos de Bariloche car hire

Puerto Madero car hire

San Telmo car hire

Belgrano car hire

Caballito car hire

Top 3 airlines flying from Sydney to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest$1,862	Average$2,574	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines flights
American Airlines	Cheapest$1,979	Average$3,049	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	Cheapest$2,206	Average$2,580	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Buenos Aires?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Buenos Aires from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Buenos Aires?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Buenos Aires by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Sydney to Buenos Aires with no change fees?

Yes, we can. To see specific flights from Sydney to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sydney to Buenos Aires become cheaper?

Of course! You can now track prices for flights from Sydney to Buenos Aires and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Sydney to Buenos Aires from $1,175

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Buenos Aires are usually found in May or July, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Sydney to Buenos Aires

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sydney to Buenos Aires

Cheapest flights from Sydney to Buenos AiresExplore the most affordable flight options available from Sydney to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Sydney to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to Buenos Aires that are best for you.

Best time to book a flight from Sydney to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Sydney with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Buenos Aires

How far ahead should I book a flight from Sydney to Buenos Aires?

Use this chart to determine the optimal time to book a return flight from Sydney to Buenos Aires. Price data was last updated on 12 September 2025.

What is the cheapest time of day to fly from SYD to BUE?

Find hourly flight availability from Sydney to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

What’s the top stopover airport for flights from Sydney to Buenos Aires?

Share of one-stop return flights from Sydney to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Sydney to Buenos Aires?

Average return fare for one-stop flights from Sydney to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Sydney to Buenos Aires?

Shortest average travel time for one-stop one-way flights from Sydney to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Sydney to Buenos Aires?

Average stopover duration for one-stop one-way flights from Sydney to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Buenos Aires

Read through reviews of airlines operating flights from Sydney to Buenos Aires, such as LATAM Airlines, United Airlines, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Sydney to Buenos Aires?

How long is the flight from Sydney to Buenos Aires?

What are the cheapest airlines flying from Sydney to Buenos Aires round-trip?

Where are the most common stopover locations when flying from Sydney to Buenos Aires?

Where are the least popular stopover locations for Sydney to Buenos Aires flights?

Can I find deals for flights from Sydney to Buenos Aires that include hotel bookings?

How can I find direct flights from Sydney to Buenos Aires?

Can I find deals for business class flights from Sydney to Buenos Aires?

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Fly from Sydney to Buenos Aires on these airlines

Choose from the following airlines for your flight from Sydney to Buenos Aires. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2025.

Top 3 airlines flying from Sydney to Buenos Aires

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Cheapest flights from Sydney to Buenos Aires
Explore the most affordable flight options available from Sydney to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.