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Cheap flights from Buenos Aires to Sydney from $1,200

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 8/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
02:00 - 12:40EZE-SYD
20h 40m1 stop
Multiple Airlines Logo
11:45 - 16:30SYD-EZE
18h 45m1 stop
$1,844Multiple Airlines
Find Deal
Mon, 15 Dec - Mon, 19 Jan
Multiple Airlines Logo
02:00 - 12:40EZE-SYD
20h 40m1 stop
Multiple Airlines Logo
19:15 - 16:30SYD-EZE
35h 15m1 stop
$1,881Multiple Airlines
Find Deal
Mon, 15 Dec - Sun, 18 Jan
Multiple Airlines Logo
02:00 - 08:45EZE-SYD
40h 45m1 stop
Multiple Airlines Logo
09:55 - 16:30SYD-EZE
20h 35m1 stop
$2,182Multiple Airlines
Find Deal
Mon, 22 Dec - Mon, 26 Jan
Multiple Airlines Logo
02:00 - 08:45EZE-SYD
40h 45m1 stop
Multiple Airlines Logo
11:45 - 16:30SYD-EZE
18h 45m1 stop
$2,196Multiple Airlines
Find Deal
Mon, 22 Dec - Mon, 26 Jan
Multiple Airlines Logo
02:00 - 08:45EZE-SYD
40h 45m1 stop
Multiple Airlines Logo
11:45 - 16:30SYD-EZE
18h 45m1 stop
$2,199Multiple Airlines
Find Deal
Mon, 22 Dec - Mon, 26 Jan
Multiple Airlines Logo
02:00 - 08:45EZE-SYD
40h 45m1 stop
Multiple Airlines Logo
19:15 - 16:30SYD-EZE
35h 15m1 stop
$2,211Multiple Airlines
Find Deal
Mon, 22 Dec - Sun, 11 Jan
Multiple Airlines Logo
02:00 - 08:45EZE-SYD
40h 45m1 stop
Multiple Airlines Logo
19:15 - 16:30SYD-EZE
35h 15m1 stop
$2,213Multiple Airlines
Find Deal
Mon, 22 Dec - Sun, 11 Jan
LATAM Airlines Logo
21:05 - 06:15AEP-SYD
20h 10m1 stop
LATAM Airlines Logo
08:15 - 19:40SYD-AEP
24h 25m2 stops
$2,245LATAM Airlines
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Thu, 7 May - Mon, 18 May
Multiple Airlines Logo
02:00 - 17:40EZE-SYD
25h 40m1 stop
Multiple Airlines Logo
09:00 - 16:30SYD-EZE
21h 30m1 stop
$2,287Multiple Airlines
Find Deal
Mon, 22 Dec - Mon, 12 Jan
LATAM Airlines Logo
07:40 - 06:15EZE-SYD
33h 35m2 stops
LATAM Airlines Logo
08:15 - 18:13SYD-EZE
22h 58m2 stops
$2,347LATAM Airlines
Find Deal
Thu, 7 May - Mon, 18 May

LATAM Airlines flights from Buenos Aires to Sydney

Our best LATAM Airlines deals on Buenos Aires to Sydney flight tickets
LATAM Airlines
7 May
AEP21:05Buenos Aires Jorge Newbery
20h 10m
1 stop
SYD06:15Sydney Kingsford Smith
18 May
SYD08:15Sydney Kingsford Smith
24h 25m
2 stops
AEP19:40Buenos Aires Jorge Newbery
$2,245
Find similar
LATAM Airlines
7 May
EZE07:40Buenos Aires Ministro Pistarini
33h 35m
2 stops
SYD06:15Sydney Kingsford Smith
18 May
SYD08:15Sydney Kingsford Smith
22h 58m
2 stops
EZE18:13Buenos Aires Ministro Pistarini
$2,347
Find similar
LATAM Airlines
7 May
AEP21:05Buenos Aires Jorge Newbery
20h 10m
1 stop
SYD06:15Sydney Kingsford Smith
18 May
SYD11:10Sydney Kingsford Smith
16h 30m
1 stop
AEP14:40Buenos Aires Jorge Newbery
$2,406
Find similar

United Airlines flights from Buenos Aires to Sydney

Our best United Airlines deals on Buenos Aires to Sydney flight tickets
United Airlines
13 Nov
EZE23:55Buenos Aires Ministro Pistarini
43h 10m
2 stops
SYD09:05Sydney Kingsford Smith
24 Nov
SYD11:50Sydney Kingsford Smith
33h 30m
1 stop
EZE07:20Buenos Aires Ministro Pistarini
$3,183
Find similar
United Airlines
13 Nov
EZE23:55Buenos Aires Ministro Pistarini
43h 10m
2 stops
SYD09:05Sydney Kingsford Smith
25 Nov
SYD12:10Sydney Kingsford Smith
33h 10m
2 stops
EZE07:20Buenos Aires Ministro Pistarini
$3,191
Find similar
United Airlines
13 Nov
EZE23:55Buenos Aires Ministro Pistarini
41h 05m
1 stop
SYD07:00Sydney Kingsford Smith
29 Nov
SYD11:50Sydney Kingsford Smith
33h 30m
1 stop
EZE07:20Buenos Aires Ministro Pistarini
$4,016
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 8 November 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

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 15/12

02:00-12:40

1 stop20h 40m

Sydney Kingsford Smith

Mon 19/1

11:45-16:30

1 stop18h 45m

$1,844

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 15/12

02:00-12:40

1 stop20h 40m

Sydney Kingsford Smith

Sun 18/1

19:15-16:30

1 stop35h 15m

$1,881

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 22/12

02:00-08:45

1 stop40h 45m

Sydney Kingsford Smith

Mon 26/1

09:55-16:30

1 stop20h 35m

$2,182

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 22/12

02:00-08:45

1 stop40h 45m

Sydney Kingsford Smith

Mon 26/1

11:45-16:30

1 stop18h 45m

$2,196

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 22/12

02:00-08:45

1 stop40h 45m

Sydney Kingsford Smith

Mon 26/1

11:45-16:30

1 stop18h 45m

$2,199

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 22/12

02:00-08:45

1 stop40h 45m

Sydney Kingsford Smith

Sun 11/1

19:15-16:30

1 stop35h 15m

$2,211

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 22/12

02:00-08:45

1 stop40h 45m

Sydney Kingsford Smith

Sun 11/1

19:15-16:30

1 stop35h 15m

$2,213

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Thu 7/5

21:05-06:15

1 stop20h 10m

Sydney Kingsford Smith

Mon 18/5

08:15-19:40

2 stops24h 25m

$2,245

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Mon 22/12

02:00-17:40

1 stop25h 40m

Sydney Kingsford Smith

Mon 12/1

09:00-16:30

1 stop21h 30m

$2,287

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Thu 7/5

07:40-06:15

2 stops33h 35m

Sydney Kingsford Smith

Mon 18/5

08:15-18:13

2 stops22h 58m

$2,347

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 $2,707. If you aren’t able to travel to Sydney during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $2,847.

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 $2,714. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,954.

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 $2,891. 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 $3,954 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.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $3,439 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Buenos Aires for as low as $2,805 on momondo.

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

You could potentially save up to 26% 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 November 2025, prices for Buenos Aires to Sydney flights are approximately 14% 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

Direct flights

None
There are no direct flights from Buenos Aires to Sydney. There are no popular flight routes from Buenos Aires to Sydney.
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  • 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 18h 50m.

  • 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 $2,580Free cancellationRating
7.5
1,872 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
Penrith
Katoomba
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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