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Cheap flights from Sydney to Buenos Aires from $1,039

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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BUE
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Buenos Aires are usually found in May or July, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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Enter your travel dates to find the best prices.

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 7 November 2025.

Thu 4/1211:45SYD - EZE
1 stop19h 10mMultiple Airlines
Mon 15/1202:00EZE - SYD
1 stop20h 40mMultiple Airlines
Deal found 7/11$1,804
Fri 5/1211:20SYD - EZE
2 stops34h 45mAmerican Airlines
Fri 12/1223:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 6/11$1,979
Wed 3/1211:10SYD - AEP
1 stop17h 30mLATAM Airlines
Tue 3/321:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 6/11$2,267
Thu 27/1107:05SYD - EZE
1 stop23h 50mMultiple Airlines
Thu 11/1202:00EZE - SYD
1 stop20h 40mMultiple Airlines
Deal found 5/11$2,367
Fri 5/1211:10SYD - AEP
1 stop17h 30mLATAM Airlines
Sat 20/1221:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 5/11$2,399
Tue 18/1106:20SYD - EZE
2 stops26h 23mMultiple Airlines
Sat 29/1119:43EZE - SYD
2 stops23h 12mMultiple Airlines
Deal found 5/11$2,410
Fri 5/1211:10SYD - EZE
1 stop23h 35mLATAM Airlines
Fri 12/1207:10EZE - SYD
2 stops33h 05mLATAM Airlines
Deal found 6/11$2,416
Fri 21/1112:20SYD - EZE
1 stop16h 15mMultiple Airlines
Fri 12/1208:55EZE - SYD
1 stop18h 45mMultiple Airlines
Deal found 5/11$2,433
Sun 7/1211:20SYD - EZE
2 stops33h 45mAmerican Airlines
Sun 14/1223:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 7/11$2,465
Thu 4/1211:10SYD - EZE
1 stop21h 33mLATAM Airlines
Thu 11/1219:43EZE - SYD
1 stop20h 32mLATAM Airlines
Deal found 6/11$2,479
Wed 3/1211:20SYD - EZE
2 stops34h 45mAmerican Airlines
Wed 10/1223:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 4/11$2,481
Sun 7/1211:10SYD - AEP
1 stop17h 30mLATAM Airlines
Sun 14/1221:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 7/11$2,485

Cheap flight deals from Sydney to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

$1,756

One-way from

$1,039

Popular in

December

Cheapest in

May

Average price

$2,591
12/2-5/3
  • 12/2-5/3
  • 2 total stops
  • 41h 40m total
  • Sydney to Buenos Aires
Search Deals
24/12
  • 24/12
  • 1 total stop
  • 34h 40m total
  • Sydney to Buenos Aires
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($551 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($121 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Sydney to Buenos Aires that are best for you.

Fly from

Sydney

Fly to

Buenos Aires

Route

Depart

Return

Price

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 2/3

08:45-18:43

2 stops23h 58m

Buenos Aires Ministro Pistarini

Sun 15/3

07:10-06:15

2 stops33h 05m

$2,099

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 10/1

11:10-14:40

1 stop17h 30m

Buenos Aires Jorge Newbery

Mon 23/2

21:05-10:25

2 stops23h 20m

$2,436

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Tue 17/3

08:30-14:40

2 stops20h 10m

Buenos Aires Jorge Newbery

Wed 25/3

21:05-09:00

2 stops21h 55m

$2,474

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 3/4

11:10-07:40

1 stop34h 30m

Buenos Aires Jorge Newbery

Fri 17/4

21:05-06:15

1 stop20h 10m

$2,527

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 6/2

08:45-19:40

2 stops24h 55m

Buenos Aires Jorge Newbery

Sun 8/3

11:30-06:15

1 stop28h 45m

$2,707

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 1/3

21:15-22:25

3 stops63h 10m

Buenos Aires Ministro Pistarini

Tue 31/3

23:55-20:15

3 stops54h 20m

$2,790

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 13/3

21:15-22:25

3 stops63h 10m

Buenos Aires Ministro Pistarini

Tue 28/4

23:55-19:15

3 stops54h 20m

$2,790

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sat 7/3

21:15-22:25

3 stops63h 10m

Buenos Aires Ministro Pistarini

Tue 28/4

23:55-19:15

3 stops54h 20m

$2,790

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 15/2

21:15-22:25

3 stops63h 10m

Buenos Aires Ministro Pistarini

Tue 24/2

23:55-19:20

3 stops53h 25m

$2,795

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 6/2

21:15-22:25

3 stops63h 10m

Buenos Aires Ministro Pistarini

Tue 10/3

23:55-19:20

3 stops53h 25m

$2,795

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 44 results
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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?

Use this chart to determine the optimal time to book a return flight from Sydney to Buenos Aires. Price data was last updated on 31 October 2025.

Booking 73 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 month to book a flight from Sydney to Buenos Aires?

Currently, May is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $1,582). Flying from Sydney to Buenos Aires in December is currently the most expensive (average of $2,681). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 7 November 2025.

It’s optimal to fly from Sydney to Buenos Aires at midday. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from Sydney to Buenos Aires?

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.

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?

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.

Santiago (SCL) is the most affordable one-stop option, with an average return flight price of $2,622.

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.

Flights via Santiago (SCL) have the shortest average one-way travel time for one-stop routes: 18h 49m.

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.

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

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 7 November 2025.
Read through reviews of airlines operating flights from Sydney to Buenos Aires, such as LATAM Airlines, United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Crew

8.0

Overall

7.5

Boarding

7.6

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,872 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Crew

8.0

Overall

7.5

Boarding

7.6

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
United Airlines
7.4
Good
9,009 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Crew

8.0

Overall

7.5

Boarding

7.6

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
American Airlines
7.2
Good
11,044 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Crew

8.0

Overall

7.5

Boarding

7.6

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Air Canada
7.1
Good
10,421 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Crew

8.0

Overall

7.5

Boarding

7.6

Entertainment

7.0

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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?

    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 1 airline has 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 23h 58m. There are 11759 km between Sydney and Buenos Aires. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Sydney to Buenos Aires round-trip?

    Currently priced at $1,876, 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. 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.

  • What is the cheapest month to book a flight from Sydney to Buenos Aires?

    Currently, May is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $1,582). Flying from Sydney to Buenos Aires in December is currently the most expensive (average of $2,681). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 7 November 2025.
LATAM Airlines flights from Sydney Kingsford Smith to Buenos Aires
United Airlines flights from Sydney Kingsford Smith to Buenos Aires

Top airline flying from Sydney to Buenos Aires

Discover the top airline that operate flights from Sydney to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,876Average$2,627FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

Fly with Cheapflights

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

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

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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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