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$822+ Cheap flights from Sydney (SYD) to Buenos Aires (BUE)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BUE
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 Sunday and return on a Sunday

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 July 31, 2025.

Round-trip from

$1,357
(LATAM Airlines)

One-way from

$822
(LATAM Airlines)

Popular in

December

Cheapest in

May

Average price

$1,556
From Sydney Kingsford Smith to Buenos Aires (BUE)
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One-way flight from Sydney Kingsford Smith to Buenos Aires (BUE)
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Highest demand for flights based on searches. 14% potential increase in price ($280 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This LATAM Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:10 amSYD - AEP
1 stop17h 30mLATAM Airlines
Sun 4/198:10 pmAEP - SYD
2 stops45h 05mLATAM Airlines
Deal found 7/31$1,357
This LATAM Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:10 amSYD - EZE
1 stop21h 33mLATAM Airlines
Mon 4/207:40 amEZE - SYD
2 stops33h 35mLATAM Airlines
Deal found 7/31$1,357
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3111:30 amSYD - AEP
1 stop22h 10mMultiple Airlines
Sun 9/79:50 amAEP - SYD
1 stop18h 25mMultiple Airlines
Deal found 7/29$1,368
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1411:30 amSYD - EZE
1 stop24h 55mMultiple Airlines
Mon 11/177:43 pmEZE - SYD
2 stops26h 42mMultiple Airlines
Deal found 7/29$1,368
This Turkish Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:55 pmSYD - EZE
3 stops62h 30mTurkish Airlines
Sun 10/2611:55 pmEZE - SYD
3 stops53h 55mTurkish Airlines
Deal found 7/30$1,409

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 31, 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 - AEP

SYDAEP

Sydney Kingsford Smith

Sat 11/15

11:10 am-2:40 pm

1 stop17h 30m

Buenos Aires Jorge Newbery

Sun 4/19

8:10 pm-6:15 am

2 stops45h 05m

$1,357

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sat 11/15

11:10 am-6:43 pm

1 stop21h 33m

Buenos Aires Ministro Pistarini

Mon 4/20

7:40 am-6:15 am

2 stops33h 35m

$1,357

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sun 8/31

11:30 am-8:40 pm

1 stop22h 10m

Buenos Aires Jorge Newbery

Sun 9/7

9:50 am-5:15 pm

1 stop18h 25m

$1,368

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 10/14

11:30 am-10:25 pm

1 stop24h 55m

Buenos Aires Ministro Pistarini

Mon 11/17

7:43 pm-12:25 pm

2 stops26h 42m

$1,368

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 10/10

9:55 pm-10:25 pm

3 stops62h 30m

Buenos Aires Ministro Pistarini

Sun 10/26

11:55 pm-7:50 pm

3 stops53h 55m

$1,409

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 11/10

11:10 am-8:55 pm

1 stop23h 45m

$822

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 11/14

8:45 am-7:40 pm

2 stops24h 55m

$836

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 9/2

2:45 pm-6:10 pm

2 stops40h 25m

$848

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 8/28

11:50 am-1:00 am

2 stops26h 10m

$879

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Thu 1/15

11:15 am-8:30 am

2 stops35h 15m

$1,017

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 16 results
1
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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 round-trip 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 round-trip flight from Sydney to Buenos Aires. Price data was last updated on July 25, 2025.

The best time to book flights from Sydney to Buenos Aires is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $795). Flying from Sydney to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

How much does it cost to fly round-trip from Sydney to Buenos Aires?

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 July 31, 2025.
Get a feel of what it's like to fly with Emirates, LATAM Airlines, and Qatar Airways from Sydney to Buenos Aires by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,300 reviews

Comfort

8.0

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Emirates
8.1
Very good
3,300 reviews
Emirates
8.1
Very good
3,300 reviews

Comfort

8.0

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
LATAM Airlines
7.5
Good
1,822 reviews
Emirates
8.1
Very good
3,300 reviews

Comfort

8.0

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Qatar Airways
7.4
Good
3,609 reviews
Emirates
8.1
Very good
3,300 reviews

Comfort

8.0

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
United Airlines
7.4
Good
8,900 reviews
Emirates
8.1
Very good
3,300 reviews

Comfort

8.0

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Turkish Airlines
7.3
Good
3,933 reviews
Emirates
8.1
Very good
3,300 reviews

Comfort

8.0

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.

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 0 airlines have flights from the Sydney airport to Buenos Aires. It is only a 4.6 mi journey to Kingsford Smith (SYD) from Sydney’s city center.

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

    LATAM Airlines, at $1,357, was found to be the cheapest airline from Sydney to Buenos Aires. An alternate airline flying to your destination would be Turkish Airlines. You may be able to fly from Sydney to Buenos Aires for 21% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Sydney to Buenos Aires one-way?

    For one-way options, check prices for LATAM Airlines. According to our data, you can fly for as low as $822. Users have also found prices from $1,017 and $1,022 on American Airlines and Air Canada, respectively.

  • 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 vacation 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, April is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $795). Flying from Sydney to Buenos Aires in December is currently the most expensive (average of $1,260). 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

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