What is the cheapest airline that flies from Buenos Aires to Sydney Kingsford Smith?

LATAM Airlines is the most popular carrier operating from Buenos Aires to Sydney Kingsford Smith

When did momondo last update prices for flights from Buenos Aires to Sydney Kingsford Smith Airport?

Prices for flights from Buenos Aires to Sydney Kingsford Smith Airport refresh daily.

How old do you have to be to fly from Buenos Aires to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,291 Cheap Flights from Buenos Aires to Sydney in 2026/27

Find the cheapest flights from Buenos Aires to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

02:00 - 19:10EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

27h 10m1 stop Auckland Intl

11:00 - 16:45SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

18h 45m1 stop Auckland Intl

$2,198Multiple Airlines

Sat, 27 Mar - Thu, 8 Apr

02:00 - 12:50EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

20h 50m1 stop Auckland Intl

18:55 - 16:30SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

35h 35m1 stop Auckland Intl

$2,244Multiple Airlines

Thu, 25 Mar - Sun, 28 Mar

02:00 - 12:50EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

20h 50m1 stop Auckland Intl

19:25 - 16:55SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

35h 30m1 stop Auckland Intl

$2,302Multiple Airlines

Thu, 4 Mar - Sun, 21 Mar

02:00 - 14:30EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

22h 30m1 stop Auckland Intl

18:30 - 16:55SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

36h 25m1 stop Auckland Intl

$2,328Multiple Airlines

Wed, 23 Dec - Fri, 1 Jan

09:25 - 08:00AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

32h 35m2 stops Santiago Arturo Merino Benitez Auckland Intl

11:00 - 19:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

22h 40m2 stops Auckland Intl Santiago Arturo Merino Benitez

$2,337Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

21:00 - 06:15AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

19h 15m1 stop Santiago Arturo Merino Benitez

11:10 - 14:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

17h 30m1 stop Santiago Arturo Merino Benitez

$2,361LATAM Airlines

Mon, 2 Nov - Mon, 16 Nov

21:00 - 06:15AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

19h 15m1 stop Santiago Arturo Merino Benitez

11:10 - 14:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

17h 30m1 stop Santiago Arturo Merino Benitez

$2,364LATAM Airlines

Mon, 2 Nov - Mon, 16 Nov

21:00 - 06:15AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

19h 15m1 stop Santiago Arturo Merino Benitez

11:10 - 19:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

22h 30m1 stop Santiago Arturo Merino Benitez

$2,367LATAM Airlines

Mon, 2 Nov - Mon, 16 Nov

02:00 - 12:50EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

20h 50m1 stop Auckland Intl

09:55 - 16:55SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

21h 00m1 stop Auckland Intl

$2,371Multiple Airlines

Wed, 9 Dec - Thu, 4 Mar

21:00 - 06:15AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

19h 15m1 stop Santiago Arturo Merino Benitez

11:10 - 14:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

17h 30m1 stop Santiago Arturo Merino Benitez

$2,373LATAM Airlines

Mon, 2 Nov - Mon, 16 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:30 - 07:50AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

19h 20m1 stop Santiago Arturo Merino Benitez

12:45 - 19:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

20h 55m1 stop Santiago Arturo Merino Benitez

$2,753LATAM Airlines

Sat, 3 Oct - Sat, 10 Oct

19:21 - 07:50EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

22h 29m1 stop Santiago Arturo Merino Benitez

12:45 - 02:45SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

28h 00m2 stops Santiago Arturo Merino Benitez Lima J Chavez Intl

$2,753LATAM Airlines

Sat, 3 Oct - Sat, 10 Oct

22:30 - 14:20AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

49h 50m2 stops Santiago Arturo Merino Benitez Auckland Intl

08:50 - 21:30SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

26h 40m2 stops Melbourne Santiago Arturo Merino Benitez

$2,754Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

21:00 - 07:50AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

20h 50m1 stop Santiago Arturo Merino Benitez

08:50 - 21:30SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

26h 40m2 stops Melbourne Santiago Arturo Merino Benitez

$2,769Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

19:21 - 14:20EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

52h 59m2 stops Santiago Arturo Merino Benitez Auckland Intl

08:15 - 18:21SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

24h 06m2 stops Melbourne Santiago Arturo Merino Benitez

$2,825Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

15:35 - 14:20EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

56h 45m3 stops Rio de Janeiro–Galeão Intl Santiago Arturo Merino Benitez Auckland Intl

08:50 - 18:21SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

23h 31m2 stops Melbourne Santiago Arturo Merino Benitez

$3,065Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

20:05 - 07:50AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

69h 45m2 stops Lima J Chavez Intl Santiago Arturo Merino Benitez

12:45 - 21:30SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

22h 45m1 stop Santiago Arturo Merino Benitez

$3,354LATAM Airlines

Wed, 7 Oct - Wed, 14 Oct

07:00 - 17:40AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

20h 40m1 stop Santiago Arturo Merino Benitez

12:20 - 17:40SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

19h 20m1 stop Santiago Arturo Merino Benitez

$3,356Multiple Airlines

Tue, 6 Oct - Thu, 8 Oct

19:21 - 10:55EZE Buenos Aires Ministro Pistarini-SYD Sydney Kingsford Smith

25h 34m2 stops Santiago Arturo Merino Benitez Melbourne

21:00 - 18:21SYD Sydney Kingsford Smith-EZE Buenos Aires Ministro Pistarini

35h 21m2 stops Melbourne Santiago Arturo Merino Benitez

$3,439Multiple Airlines

Mon, 5 Oct - Wed, 7 Oct

22:30 - 08:05AEP Buenos Aires Jorge Newbery-SYD Sydney Kingsford Smith

43h 35m2 stops Santiago Arturo Merino Benitez Auckland Intl

12:45 - 14:50SYD Sydney Kingsford Smith-AEP Buenos Aires Jorge Newbery

16h 05m1 stop Santiago Arturo Merino Benitez

$3,491Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

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LATAM Airlines flights from Buenos Aires to Sydney

Our best LATAM Airlines deals on Buenos Aires to Sydney flight tickets

LATAM Airlines

2 Nov

AEP21:00Buenos Aires Jorge Newbery

19h 15m

1 stop

SYD06:15Sydney Kingsford Smith

16 Nov

SYD11:10Sydney Kingsford Smith

17h 30m

1 stop

AEP14:40Buenos Aires Jorge Newbery

$2,361

LATAM Airlines

2 Nov

AEP21:00Buenos Aires Jorge Newbery

19h 15m

1 stop

SYD06:15Sydney Kingsford Smith

16 Nov

SYD11:10Sydney Kingsford Smith

17h 30m

1 stop

AEP14:40Buenos Aires Jorge Newbery

$2,364

LATAM Airlines

2 Nov

AEP21:00Buenos Aires Jorge Newbery

19h 15m

1 stop

SYD06:15Sydney Kingsford Smith

16 Nov

SYD11:10Sydney Kingsford Smith

22h 30m

1 stop

AEP19:40Buenos Aires Jorge Newbery

$2,367

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Buenos AiresSydney

EZE Buenos Aires Ministro Pistarini - SYD Sydney Kingsford Smith

EZESYD

Buenos Aires Ministro Pistarini

Sat 27/3

02:00-19:10

1 stop27h 10m

Sydney Kingsford Smith

Thu 8/4

11:00-16:45

1 stop18h 45m

$2,198

Buenos AiresSydney

EZE Buenos Aires Ministro Pistarini - SYD Sydney Kingsford Smith

EZESYD

Buenos Aires Ministro Pistarini

Thu 25/3

02:00-12:50

1 stop20h 50m

Sydney Kingsford Smith

Sun 28/3

18:55-16:30

1 stop35h 35m

$2,244

Buenos AiresSydney

EZE Buenos Aires Ministro Pistarini - SYD Sydney Kingsford Smith

EZESYD

Buenos Aires Ministro Pistarini

Thu 4/3

02:00-12:50

1 stop20h 50m

Sydney Kingsford Smith

Sun 21/3

19:25-16:55

1 stop35h 30m

$2,302

Buenos AiresSydney

EZE Buenos Aires Ministro Pistarini - SYD Sydney Kingsford Smith

EZESYD

Buenos Aires Ministro Pistarini

Wed 23/12

02:00-14:30

1 stop22h 30m

Sydney Kingsford Smith

Fri 1/1

18:30-16:55

1 stop36h 25m

$2,328

Buenos AiresSydney

AEP Buenos Aires Jorge Newbery - SYD Sydney Kingsford Smith

AEPSYD

Buenos Aires Jorge Newbery

Mon 2/11

09:25-08:00

2 stops32h 35m

Sydney Kingsford Smith

Mon 16/11

11:00-19:40

2 stops22h 40m

$2,337

Fastest return journey

Buenos AiresSydney

AEP Buenos Aires Jorge Newbery - SYD Sydney Kingsford Smith

AEPSYD

Buenos Aires Jorge Newbery

Mon 2/11

21:00-06:15

1 stop19h 15m

Sydney Kingsford Smith

Mon 16/11

11:10-14:40

1 stop17h 30m

$2,361

Buenos AiresSydney

AEP Buenos Aires Jorge Newbery - SYD Sydney Kingsford Smith

AEPSYD

Buenos Aires Jorge Newbery

Mon 2/11

21:00-06:15

1 stop19h 15m

Sydney Kingsford Smith

Mon 16/11

11:10-14:40

1 stop17h 30m

$2,364

Buenos AiresSydney

AEP Buenos Aires Jorge Newbery - SYD Sydney Kingsford Smith

AEPSYD

Buenos Aires Jorge Newbery

Mon 2/11

21:00-06:15

1 stop19h 15m

Sydney Kingsford Smith

Mon 16/11

11:10-19:40

1 stop22h 30m

$2,367

Buenos AiresSydney

EZE Buenos Aires Ministro Pistarini - SYD Sydney Kingsford Smith

EZESYD

Buenos Aires Ministro Pistarini

Wed 9/12

02:00-12:50

1 stop20h 50m

Sydney Kingsford Smith

Thu 4/3

09:55-16:55

1 stop21h 00m

$2,371

Buenos AiresSydney

AEP Buenos Aires Jorge Newbery - SYD Sydney Kingsford Smith

AEPSYD

Buenos Aires Jorge Newbery

Mon 2/11

21:00-06:15

1 stop19h 15m

Sydney Kingsford Smith

Mon 16/11

11:10-14:40

1 stop17h 30m

$2,373

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buenos Aires to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Buenos Aires and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $2,629 to $2,924.
The lowest price recently found on this route was $2,198.

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Buenos Aires, with most prices found around $2,515. If you aren’t able to travel to Sydney during the month of August, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $2,532.

Can stopping save me money on Buenos Aires to Sydney flights?

You could potentially save up to 3% on your flight if you consider stops on a Buenos Aires to Sydney flight.

How have Buenos Aires to Sydney flight prices changed over time?

As of October 2026, prices for Buenos Aires to Sydney flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Buenos Aires to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Buenos Aires to Sydney (BUE to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to Sydney

Best price found	$1,291
Fastest flight time	17h 45m
Direct flights	None

The best one-way flight to Sydney from Buenos Aires in the past 72 hours is $1,291. The best return flight deal from Buenos Aires to Sydney found on momondo in the last 72 hours is $2,198.

The fastest flight from Buenos Aires to Sydney takes 17h 45m

There are no direct flights from Buenos Aires to Sydney. There are no popular flight routes from Buenos Aires to Sydney.

Search flight deals

Frequently asked questions about flying from Buenos Aires to Sydney

How far is Buenos Aires to Sydney Kingsford Smith by plane?
Buenos Aires and Sydney Kingsford Smith are 11791.2 km apart from one another. In terms of flight time, this usually takes a little over 17h 45m.
When did momondo last update prices for flights from Buenos Aires to Sydney Kingsford Smith Airport?
Prices for flights from Buenos Aires to Sydney Kingsford Smith Airport refresh daily.
How old do you have to be to fly from Buenos Aires to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Buenos Aires to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Buenos Aires to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buenos Aires to Sydney is LATAM Airlines (86% of total bookings). The next most popular airline is China Eastern (14%).

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Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buenos Aires to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Buenos Aires to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Buenos Aires which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buenos Aires to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buenos Aires to Sydney.

I’m not ready to book a flight from Buenos Aires to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Buenos Aires and alert you when they change.