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Buenos Aires

$761+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BUE
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Find cheap flights from Sydney to Buenos Aires with Cheapflights

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Cheap 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 February 6, 2026.

This Qantas Airways deal was found by Cheapflights users on 2/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:20 pm
SYD
-
EZE
1 stop16h 15m
Multiple Airlines
Thu 4/27:30 am
EZE
-
SYD
1 stop20h 10m
Multiple Airlines
Deal found 2/4$1,231
This Qantas Airways deal was found by Cheapflights users on 2/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:20 pm
SYD
-
EZE
1 stop16h 15m
Multiple Airlines
Wed 4/87:30 am
EZE
-
SYD
1 stop21h 10m
Multiple Airlines
Deal found 2/4$1,240
This Qantas Airways deal was found by Cheapflights users on 2/5. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:20 pm
SYD
-
EZE
1 stop16h 15m
Multiple Airlines
Thu 3/268:55 am
EZE
-
SYD
1 stop18h 45m
Multiple Airlines
Deal found 2/5$1,241
This Qantas Airways deal was found by Cheapflights users on 2/4. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:20 pm
SYD
-
EZE
1 stop16h 15m
Multiple Airlines
Sun 4/57:30 am
EZE
-
SYD
1 stop21h 10m
Multiple Airlines
Deal found 2/4$1,245
This LATAM Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/238:45 am
SYD
-
EZE
2 stops26h 05m
LATAM Airlines
Fri 5/111:30 am
EZE
-
SYD
2 stops33h 00m
LATAM Airlines
Deal found 2/6$1,249
This LATAM Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 3/911:10 am
SYD
-
AEP
1 stop22h 35m
Multiple Airlines
Mon 3/169:05 pm
AEP
-
SYD
2 stops24h 20m
Multiple Airlines
Deal found 2/4$1,252
This LATAM Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/238:30 am
SYD
-
AEP
2 stops25h 10m
LATAM Airlines
Tue 4/283:45 pm
AEP
-
SYD
1 stop26h 05m
LATAM Airlines
Deal found 2/6$1,260
This LATAM Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 4/58:40 pm
SYD
-
AEP
2 stops31h 10m
Multiple Airlines
Sat 5/169:05 pm
AEP
-
SYD
1 stop20h 45m
Multiple Airlines
Deal found 2/5$1,263
This LATAM Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 4/66:25 am
SYD
-
AEP
2 stops21h 25m
Multiple Airlines
Sun 4/268:40 am
AEP
-
SYD
2 stops34h 40m
Multiple Airlines
Deal found 2/3$1,275
This LATAM Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 3/1111:35 am
SYD
-
AEP
2 stops41h 05m
Multiple Airlines
Thu 3/269:05 pm
AEP
-
SYD
2 stops22h 25m
Multiple Airlines
Deal found 2/5$1,277
This LATAM Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 2/238:00 am
SYD
-
EZE
2 stops24h 43m
LATAM Airlines
Tue 4/2811:30 am
EZE
-
SYD
1 stop30h 20m
LATAM Airlines
Deal found 2/6$1,285
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:10 am
SYD
-
AEP
1 stop37h 20m
LATAM Airlines
Sun 3/298:40 am
AEP
-
SYD
1 stop33h 10m
LATAM Airlines
Deal found 2/5$1,367

Find 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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,231
(Qantas Airways)

One-way from

$761
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,527
Provider with most accurate pricing for Sydney Kingsford Smith-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Buenos Aires (BUE) flights.
Search Deals
From Sydney Kingsford Smith to Buenos Aires (BUE)
Search Deals
One-way flight from Sydney Kingsford Smith to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 6, 2026.
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

Fri 3/20

12:20 pm-2:35 pm

1 stop16h 15m

Buenos Aires Ministro Pistarini

Thu 4/2

7:30 am-5:40 pm

1 stop20h 10m

$1,231

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Wed 3/18

12:20 pm-2:35 pm

1 stop16h 15m

Buenos Aires Ministro Pistarini

Fri 4/3

7:30 am-5:40 pm

1 stop20h 10m

$1,241

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 3/22

12:20 pm-3:00 pm

1 stop16h 40m

Buenos Aires Ministro Pistarini

Sun 3/29

7:10 am-5:40 pm

1 stop20h 30m

$1,241

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Mon 3/9

11:10 am-7:45 pm

1 stop22h 35m

Buenos Aires Jorge Newbery

Mon 3/16

9:05 pm-11:25 am

2 stops24h 20m

$1,252

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sun 4/5

8:40 pm-2:50 pm

2 stops31h 10m

Buenos Aires Jorge Newbery

Sat 5/16

9:05 pm-6:50 am

1 stop20h 45m

$1,263

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Mon 4/6

6:25 am-2:50 pm

2 stops21h 25m

Buenos Aires Jorge Newbery

Sun 4/26

8:40 am-8:20 am

2 stops34h 40m

$1,275

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Wed 3/11

11:35 am-2:40 pm

2 stops41h 05m

Buenos Aires Jorge Newbery

Thu 3/26

9:05 pm-9:30 am

2 stops22h 25m

$1,277

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 3/20

11:20 am-9:59 am

2 stops36h 39m

Buenos Aires Ministro Pistarini

Thu 4/2

10:20 pm-8:05 am

2 stops43h 45m

$1,397

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 3/21

8:30 am-7:45 pm

2 stops25h 15m

Buenos Aires Jorge Newbery

Sat 3/28

10:30 pm-10:30 am

2 stops22h 00m

$1,504

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 3/10

12:20 pm-2:35 pm

1 stop16h 15m

Buenos Aires Ministro Pistarini

Thu 4/9

7:30 am-5:40 pm

1 stop21h 10m

$1,512

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 35 results
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Compare providers for flights from Sydney to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Buenos Aires in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 30, 2026.

The best time to book flights from Sydney to Buenos Aires is 74 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, May is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $1,005). Flying from Sydney to Buenos Aires in September is currently the most expensive (average of $1,599). 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 February 6, 2026.
Get a feel of what it's like to fly with LATAM Airlines 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.
LATAM Airlines
7.5
Good
1,917 reviews

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Boarding

7.5

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
1,917 reviews
LATAM Airlines
7.5
Good
1,917 reviews

Overall

7.5

Comfort

7.3

Entertainment

7.0

Crew

8.0

Boarding

7.5

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 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.

  • How long is the flight from Sydney to Buenos Aires?

    Departing from Sydney to Buenos Aires will take you 18h 15m. The distance between Sydney and Buenos Aires is about 7307 mi. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $1,005). Flying from Sydney to Buenos Aires in September is currently the most expensive (average of $1,599). 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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