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Buenos Aires

$762+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 73 days in advance, depart on a Tuesday or Sunday and return on a Sunday

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 October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:10 amSYD - EZE
1 stop21h 33mLATAM Airlines
Thu 12/117:43 pmEZE - SYD
1 stop20h 32mLATAM Airlines
Deal found 10/30$1,162
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:10 amSYD - AEP
1 stop17h 30mLATAM Airlines
Thu 12/119:05 pmAEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 10/30$1,172
This Travelocity deal was found by Cheapflights users on 10/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:20 amSYD - AEP
2 stops27h 20mMultiple Airlines
Tue 11/2510:30 pmAEP - SYD
2 stops49h 55mMultiple Airlines
Deal found 10/30$1,254
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amSYD - AEP
1 stop22h 30mLATAM Airlines
Tue 11/258:25 pmAEP - SYD
2 stops43h 50mLATAM Airlines
Deal found 10/30$1,520
This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amSYD - EZE
1 stop21h 33mLATAM Airlines
Tue 11/257:45 amEZE - SYD
2 stops56h 30mLATAM Airlines
Deal found 10/30$1,520
This Qantas Airways deal was found by Cheapflights users on 10/30. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:20 pmSYD - EZE
1 stop16h 15mMultiple Airlines
Sun 12/218:55 amEZE - SYD
1 stop18h 45mMultiple Airlines
Deal found 10/30$1,683
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:55 amSYD - EZE
2 stops23h 48mLATAM Airlines
Sun 11/307:43 pmEZE - SYD
1 stop20h 32mLATAM Airlines
Deal found 10/30$1,765
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:00 amSYD - EZE
2 stops25h 55mMultiple Airlines
Sun 11/307:43 pmEZE - SYD
2 stops31h 07mMultiple Airlines
Deal found 10/30$1,773
This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:00 amSYD - EZE
2 stops23h 43mMultiple Airlines
Thu 12/47:43 pmEZE - SYD
2 stops33h 42mMultiple Airlines
Deal found 10/30$1,795
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:05 pmSYD - AEP
2 stops20h 35mMultiple Airlines
Sun 11/303:40 pmAEP - SYD
1 stop24h 35mMultiple Airlines
Deal found 10/30$1,817
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/261:05 pmSYD - AEP
2 stops20h 35mLATAM Airlines
Sun 11/309:05 pmAEP - SYD
2 stops22h 40mLATAM Airlines
Deal found 10/30$1,818
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:20 amSYD - EZE
2 stops34h 50mAmerican Airlines
Thu 11/2011:59 pmEZE - SYD
2 stops40h 56mAmerican Airlines
Deal found 10/28$1,822

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,162
(Gotogate)

One-way from

$759
(LATAM Airlines)

Popular in

December

Cheapest in

May

Average price

$1,654
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. 12% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 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

Thu 12/4

11:10 am-2:40 pm

1 stop17h 30m

Buenos Aires Jorge Newbery

Thu 12/11

9:05 pm-6:15 am

1 stop19h 10m

$1,172

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Wed 11/26

1:05 pm-7:40 pm

2 stops20h 35m

Buenos Aires Jorge Newbery

Sun 11/30

3:40 pm-6:15 am

1 stop24h 35m

$1,817

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 3/1

9:15 pm-10:25 pm

3 stops63h 10m

Buenos Aires Ministro Pistarini

Tue 3/31

11:55 pm-8:15 pm

3 stops54h 20m

$1,830

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 1/17

7:25 am-2:40 pm

2 stops21h 15m

Buenos Aires Jorge Newbery

Sun 2/8

3:40 pm-9:20 am

2 stops27h 40m

$1,904

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 11/27

9:00 am-7:40 pm

2 stops24h 40m

Buenos Aires Jorge Newbery

Thu 12/4

3:40 pm-7:25 pm

2 stops37h 45m

$1,930

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 11/10

11:50 am-9:20 am

1 stop35h 30m

Buenos Aires Ministro Pistarini

Sat 11/22

10:05 pm-7:00 am

1 stop42h 55m

$1,955

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 11/11

11:50 am-9:20 am

1 stop35h 30m

Buenos Aires Ministro Pistarini

Wed 1/21

10:05 pm-9:15 am

2 stops45h 10m

$1,955

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 1/18

2:00 pm-7:20 am

2 stops31h 20m

Buenos Aires Ministro Pistarini

Sat 2/7

11:55 pm-7:00 am

1 stop41h 05m

$1,960

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Wed 1/14

11:50 am-7:20 am

1 stop33h 30m

Buenos Aires Ministro Pistarini

Tue 2/10

11:55 pm-7:00 am

1 stop41h 05m

$1,960

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Thu 1/15

2:00 pm-7:20 am

2 stops31h 20m

Buenos Aires Ministro Pistarini

Thu 2/5

11:55 pm-9:05 am

2 stops43h 10m

$1,960

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Buenos Aires flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

The best time to book flights from Sydney to Buenos Aires is 73 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 $1,028). Flying from Sydney to Buenos Aires in December is currently the most expensive (average of $1,742). 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 October 30, 2025.
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
1,873 reviews

Overall

7.5

Boarding

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

7.0

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
1,873 reviews
LATAM Airlines
7.5
Good
1,873 reviews

Overall

7.5

Boarding

7.5

Comfort

7.3

Crew

8.0

Food

6.7

Entertainment

7.0

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 17h 30m. The distance between Sydney and Buenos Aires is about 7326 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 $1,028). Flying from Sydney to Buenos Aires in December is currently the most expensive (average of $1,742). 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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