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Cheap flights from Buenos Aires to Sydney from $1,368

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Sydney departing on 17/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Buenos Aires to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:40 - 20:50
AEP
-
SYD
24h 10m2 stops
Multiple Airlines Logo
07:25 - 19:40
SYD
-
AEP
26h 15m2 stops
$1,742Multiple Airlines
Fri, 19 Dec - Sat, 3 Jan
Multiple Airlines Logo
02:00 - 14:50
EZE
-
SYD
22h 50m1 stop
Multiple Airlines Logo
09:55 - 16:55
SYD
-
EZE
21h 00m1 stop
$2,102Multiple Airlines
Thu, 18 Dec - Thu, 1 Jan
Multiple Airlines Logo
02:00 - 14:50
EZE
-
SYD
22h 50m1 stop
Multiple Airlines Logo
07:45 - 16:30
SYD
-
EZE
22h 45m1 stop
$2,132Multiple Airlines
Thu, 18 Dec - Mon, 19 Jan
Multiple Airlines Logo
02:00 - 14:50
EZE
-
SYD
22h 50m1 stop
Multiple Airlines Logo
11:45 - 16:30
SYD
-
EZE
18h 45m1 stop
$2,135Multiple Airlines
Thu, 18 Dec - Mon, 19 Jan
Multiple Airlines Logo
02:00 - 14:50
EZE
-
SYD
22h 50m1 stop
Multiple Airlines Logo
09:55 - 16:55
SYD
-
EZE
21h 00m1 stop
$2,180Multiple Airlines
Thu, 18 Dec - Thu, 1 Jan
LATAM Airlines Logo
21:05 - 06:15
AEP
-
SYD
19h 10m1 stop
LATAM Airlines Logo
08:00 - 14:40
SYD
-
AEP
20h 40m2 stops
$2,431LATAM Airlines
Sun, 15 Feb - Wed, 25 Feb
LATAM Airlines Logo
19:43 - 06:15
EZE
-
SYD
20h 32m1 stop
LATAM Airlines Logo
08:00 - 20:50
SYD
-
EZE
26h 50m2 stops
$2,431LATAM Airlines
Sun, 15 Feb - Wed, 25 Feb
LATAM Airlines Logo
19:43 - 06:15
EZE
-
SYD
20h 32m1 stop
LATAM Airlines Logo
11:10 - 18:43
SYD
-
EZE
21h 33m1 stop
$2,520LATAM Airlines
Sun, 1 Mar - Mon, 23 Mar
China Eastern Logo
02:00 - 14:50
EZE
-
SYD
22h 50m1 stop
China Eastern Logo
19:15 - 16:30
SYD
-
EZE
35h 15m1 stop
$2,531China Eastern
Thu, 29 Jan - Sun, 15 Feb
LATAM Airlines Logo
21:05 - 06:15
AEP
-
SYD
19h 10m1 stop
LATAM Airlines Logo
11:10 - 19:40
SYD
-
AEP
22h 30m1 stop
$2,538LATAM Airlines
Sun, 1 Mar - Mon, 23 Mar

LATAM Airlines flights from Buenos Aires to Sydney

Our best LATAM Airlines deals on Buenos Aires to Sydney flight tickets
LATAM Airlines
15 Feb
AEP21:05Buenos Aires Jorge Newbery
19h 10m
1 stop
SYD06:15Sydney Kingsford Smith
25 Feb
SYD08:00Sydney Kingsford Smith
20h 40m
2 stops
AEP14:40Buenos Aires Jorge Newbery
$2,431
Find similar
LATAM Airlines
1 Mar
EZE19:43Buenos Aires Ministro Pistarini
20h 32m
1 stop
SYD06:15Sydney Kingsford Smith
23 Mar
SYD11:10Sydney Kingsford Smith
21h 33m
1 stop
EZE18:43Buenos Aires Ministro Pistarini
$2,520
Find similar
LATAM Airlines
1 Mar
AEP21:05Buenos Aires Jorge Newbery
19h 10m
1 stop
SYD06:15Sydney Kingsford Smith
23 Mar
SYD11:10Sydney Kingsford Smith
22h 30m
1 stop
AEP19:40Buenos Aires Jorge Newbery
$2,538
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Buenos Aires to Sydney 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, momondo users made 78,305 searches. Data last updated 7 December 2025.
Use the filters below to find and compare flights from Buenos Aires to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Fri 19/12

06:40-20:50

2 stops24h 10m

Sydney Kingsford Smith

Sat 3/1

07:25-19:40

2 stops26h 15m

$1,742

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Thu 18/12

02:00-14:50

1 stop22h 50m

Sydney Kingsford Smith

Thu 1/1

09:55-16:55

1 stop21h 00m

$2,102

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Thu 18/12

02:00-14:50

1 stop22h 50m

Sydney Kingsford Smith

Mon 19/1

07:45-16:30

1 stop22h 45m

$2,132

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Thu 18/12

02:00-14:50

1 stop22h 50m

Sydney Kingsford Smith

Mon 19/1

11:45-16:30

1 stop18h 45m

$2,135

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Thu 18/12

02:00-14:50

1 stop22h 50m

Sydney Kingsford Smith

Thu 1/1

09:55-16:55

1 stop21h 00m

$2,180

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Sun 15/2

21:05-06:15

1 stop19h 10m

Sydney Kingsford Smith

Wed 25/2

08:00-14:40

2 stops20h 40m

$2,431

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Sun 15/2

19:43-06:15

1 stop20h 32m

Sydney Kingsford Smith

Wed 25/2

08:00-20:50

2 stops26h 50m

$2,431

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Sun 1/3

19:43-06:15

1 stop20h 32m

Sydney Kingsford Smith

Mon 23/3

11:10-18:43

1 stop21h 33m

$2,520

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Thu 29/1

02:00-14:50

1 stop22h 50m

Sydney Kingsford Smith

Sun 15/2

19:15-16:30

1 stop35h 15m

$2,531

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Sun 1/3

21:05-06:15

1 stop19h 10m

Sydney Kingsford Smith

Mon 23/3

11:10-19:40

1 stop22h 30m

$2,538

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

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

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

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 $2,630. If you aren’t able to travel to Sydney during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $2,692.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,648. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,858.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Buenos Aires to Sydney in the afternoon for as low as $2,821. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $3,858 on average. Flights to Sydney from Buenos Aires in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You could potentially save up to 36% 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 December 2025, prices for Buenos Aires to Sydney flights are approximately 34% 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

Fastest flight time

18h 45m

Direct flights

None
The fastest flight from Buenos Aires to Sydney takes 18h 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

  • 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 19h 10m.

  • 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 many operators does momondo search for flights from Buenos Aires to Sydney Kingsford Smith Airport?

  • 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?

Best airlines flying from Buenos Aires to Sydney

Compare and see reviews for airlines that fly from Buenos Aires to Sydney with momondo
Airline
Rating
Free cancellation
Price
LATAM AirlinesPriceFrom $2,517Free cancellationRating
7.5
1,889 reviews
Search LATAM Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Katoomba
Penrith
Lithgow
Leura
Manly
Bondi Beach
Coogee
Cronulla
Randwick
Charlestown
Newport
Swansea

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.

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