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Cheap flights from Sydney to Buenos Aires from $1,152

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BUE
27 Dec — 3 Jan1
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 74 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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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 27 November 2025.

Wed 3/1211:20SYD - EZE
2 stops34h 45mAmerican Airlines
Tue 3/322:25EZE - SYD
2 stops44h 35mAmerican Airlines
Deal found 25/11$2,300
Tue 2/1212:20SYD - EZE
1 stop20h 23mMultiple Airlines
Tue 9/1206:40EZE - SYD
1 stop21h 00mMultiple Airlines
Deal found 25/11$2,308
Mon 8/1209:55SYD - EZE
1 stop20h 35mMultiple Airlines
Thu 25/1202:00EZE - SYD
1 stop23h 05mMultiple Airlines
Deal found 24/11$2,337
Tue 2/1212:20SYD - AEP
1 stop20h 20mMultiple Airlines
Tue 9/1205:45AEP - SYD
1 stop21h 55mMultiple Airlines
Deal found 25/11$2,352
Tue 9/1211:10SYD - AEP
1 stop22h 30mLATAM Airlines
Fri 12/1208:50AEP - SYD
1 stop31h 25mLATAM Airlines
Deal found 25/11$2,446
Sun 30/1111:10SYD - EZE
1 stop21h 33mLATAM Airlines
Sat 14/219:43EZE - SYD
2 stops23h 17mLATAM Airlines
Deal found 26/11$2,701
Thu 4/1214:05SYD - EZE
1 stop32h 00mAmerican Airlines
Fri 5/1223:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 26/11$2,729
Sun 7/1219:15SYD - EZE
1 stop35h 15mMultiple Airlines
Thu 25/1202:00EZE - SYD
1 stop23h 05mMultiple Airlines
Deal found 24/11$2,738
Fri 5/1211:20SYD - EZE
2 stops36h 55mAmerican Airlines
Mon 12/120:45EZE - SYD
2 stops43h 25mAmerican Airlines
Deal found 25/11$2,758
Wed 10/1211:10SYD - AEP
1 stop17h 30mLATAM Airlines
Wed 31/1208:50AEP - SYD
1 stop31h 25mLATAM Airlines
Deal found 24/11$2,763
Thu 4/1211:20SYD - EZE
2 stops35h 50mAmerican Airlines
Sat 27/1222:30EZE - SYD
2 stops41h 40mAmerican Airlines
Deal found 24/11$2,783
Tue 9/1211:10SYD - EZE
1 stop21h 33mMultiple Airlines
Thu 11/1202:00EZE - SYD
1 stop41h 10mMultiple Airlines
Deal found 25/11$2,791

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 27 November 2025.

Round-trip from

$2,093

One-way from

$1,152

Popular in

December

Cheapest in

May

Average price

$2,495
LATAM Airlines
  • LATAM Airlines
  • 9/4-1/5
  • 4 total stops
  • 78h 40m total
  • Sydney to Buenos Aires
Search Deals
LATAM Airlines
  • LATAM Airlines
  • 19/3
  • 2 total stops
  • 20h 10m total
  • Sydney to Buenos Aires
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($478 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($108 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 27 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

Tue 5/5

22:00-18:21

2 stops33h 21m

Buenos Aires Ministro Pistarini

Tue 19/5

19:21-06:15

1 stop21h 54m

$2,254

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 10/3

11:20-10:15

2 stops36h 55m

Buenos Aires Ministro Pistarini

Tue 28/4

22:30-07:05

2 stops43h 35m

$2,302

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Wed 6/5

09:10-07:35

2 stops59h 25m

Buenos Aires Ministro Pistarini

Thu 21/5

09:15-07:05

2 stops56h 50m

$2,317

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 4/5

09:10-10:15

2 stops62h 05m

Buenos Aires Ministro Pistarini

Thu 21/5

09:15-07:05

2 stops56h 50m

$2,317

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 10/3

22:00-18:43

2 stops34h 43m

Buenos Aires Ministro Pistarini

Tue 24/3

07:10-09:45

3 stops36h 35m

$2,403

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 3/5

09:10-10:15

2 stops62h 05m

Buenos Aires Ministro Pistarini

Sat 16/5

20:30-07:05

2 stops45h 35m

$2,411

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 3/5

09:10-10:15

2 stops62h 05m

Buenos Aires Ministro Pistarini

Mon 18/5

20:30-07:05

2 stops45h 35m

$2,411

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 22/1

08:10-19:40

2 stops25h 30m

Buenos Aires Jorge Newbery

Fri 13/2

21:05-08:55

2 stops21h 50m

$2,440

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 24/1

11:10-19:40

1 stop22h 30m

Buenos Aires Jorge Newbery

Wed 11/2

21:05-06:15

1 stop19h 10m

$2,446

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Wed 21/1

11:10-19:40

1 stop22h 30m

Buenos Aires Jorge Newbery

Wed 11/2

21:05-06:15

1 stop19h 10m

$2,446

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 36 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 21 November 2025.

Booking 74 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 $1,581). Flying from Sydney to Buenos Aires in January is currently the most expensive (average of $2,329). 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 27 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 $2,619.

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 43m.

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 27 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
1,886 reviews
Check prices

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Comfort

7.3

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
1,886 reviews
LATAM Airlines
7.5
Good
1,886 reviews
Check prices

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Comfort

7.3

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
9,050 reviews
LATAM Airlines
7.5
Good
1,886 reviews
Check prices

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Comfort

7.3

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
11,037 reviews
LATAM Airlines
7.5
Good
1,886 reviews
Check prices

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Comfort

7.3

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
10,481 reviews
LATAM Airlines
7.5
Good
1,886 reviews
Check prices

Overall

7.5

Entertainment

7.0

Boarding

7.6

Crew

8.0

Comfort

7.3

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 22h 30m. There are 11790 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 $1,875, 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 26% 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 $1,581). Flying from Sydney to Buenos Aires in January is currently the most expensive (average of $2,329). 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 27 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,875Average$2,615FlexibilityNo 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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