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Cheap flights from Sydney to Buenos Aires from $1,160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Buenos Aires departing on 21/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 - 16:30
SYD
-
EZE
19h 30m
1 stop
Multiple Airlines Logo
02:00 - 12:40
EZE
-
SYD
20h 40m
1 stop
$1,956Multiple Airlines
Mon, 19 Oct - Mon, 16 Nov
Multiple Airlines Logo
09:05 - 16:45
SYD
-
EZE
20h 40m
1 stop
Multiple Airlines Logo
02:15 - 18:10
EZE
-
SYD
26h 55m
1 stop
$1,961Multiple Airlines
Thu, 2 Jul - Thu, 9 Jul
American Airlines Logo
10:10 - 11:05
SYD
-
EZE
38h 55m
2 stops
American Airlines Logo
23:35 - 09:00
EZE
-
SYD
43h 25m
2 stops
$1,963American Airlines
Fri, 16 Oct - Thu, 19 Nov
American Airlines Logo
09:10 - 08:45
SYD
-
EZE
60h 35m
2 stops
American Airlines Logo
21:05 - 07:05
EZE
-
SYD
45h 00m
2 stops
$1,973American Airlines
Sun, 30 Aug - Tue, 8 Sep
Multiple Airlines Logo
09:05 - 16:45
SYD
-
EZE
20h 40m
1 stop
Multiple Airlines Logo
02:15 - 18:10
EZE
-
SYD
26h 55m
1 stop
$1,976Multiple Airlines
Thu, 2 Jul - Thu, 9 Jul
American Airlines Logo
09:10 - 06:00
SYD
-
EZE
57h 50m
2 stops
American Airlines Logo
22:30 - 07:05
EZE
-
SYD
67h 35m
2 stops
$1,977American Airlines
Tue, 18 Aug - Tue, 8 Sep
LATAM Airlines Logo
11:45 - 21:30
SYD
-
AEP
22h 45m
1 stop
LATAM Airlines Logo
22:30 - 06:50
AEP
-
SYD
19h 20m
1 stop
$2,174LATAM Airlines
Sun, 12 Jul - Mon, 27 Jul
LATAM Airlines Logo
11:45 - 14:50
SYD
-
AEP
16h 05m
1 stop
LATAM Airlines Logo
21:00 - 06:50
AEP
-
SYD
20h 50m
1 stop
$2,184LATAM Airlines
Thu, 16 Jul - Mon, 27 Jul
LATAM Airlines Logo
11:45 - 14:50
SYD
-
AEP
16h 05m
1 stop
LATAM Airlines Logo
21:00 - 06:50
AEP
-
SYD
20h 50m
1 stop
$2,242LATAM Airlines
Sun, 5 Jul - Mon, 27 Jul
LATAM Airlines Logo
11:45 - 21:30
SYD
-
AEP
22h 45m
1 stop
LATAM Airlines Logo
21:00 - 06:50
AEP
-
SYD
20h 50m
1 stop
$2,254LATAM Airlines
Sun, 12 Jul - Mon, 27 Jul

Air Canada flights from Sydney to Buenos Aires

Our best Air Canada deals on Sydney to Buenos Aires flight tickets
Air Canada
11 Nov
SYD11:20Sydney Kingsford Smith
65h 50m
3 stops
EZE15:10Buenos Aires Ministro Pistarini
2 Dec
EZE16:45Buenos Aires Ministro Pistarini
48h 10m
3 stops
SYD06:55Sydney Kingsford Smith
$2,252
Air Canada
20 Oct
SYD10:20Sydney Kingsford Smith
42h 10m
3 stops
EZE14:30Buenos Aires Ministro Pistarini
16 Nov
EZE16:45Buenos Aires Ministro Pistarini
50h 50m
3 stops
SYD09:35Sydney Kingsford Smith
$2,259
Air Canada
12 Nov
SYD11:20Sydney Kingsford Smith
41h 50m
3 stops
EZE15:10Buenos Aires Ministro Pistarini
21 Nov
EZE16:45Buenos Aires Ministro Pistarini
74h 50m
3 stops
SYD09:35Sydney Kingsford Smith
$2,282

American Airlines flights from Sydney to Buenos Aires

Our best American Airlines deals on Sydney to Buenos Aires flight tickets
American Airlines
16 Oct
SYD10:10Sydney Kingsford Smith
38h 55m
2 stops
EZE11:05Buenos Aires Ministro Pistarini
19 Nov
EZE23:35Buenos Aires Ministro Pistarini
43h 25m
2 stops
SYD09:00Sydney Kingsford Smith
$1,963
American Airlines
30 Aug
SYD09:10Sydney Kingsford Smith
60h 35m
2 stops
EZE08:45Buenos Aires Ministro Pistarini
8 Sept
EZE21:05Buenos Aires Ministro Pistarini
45h 00m
2 stops
SYD07:05Sydney Kingsford Smith
$1,973
American Airlines
18 Aug
SYD09:10Sydney Kingsford Smith
57h 50m
2 stops
EZE06:00Buenos Aires Ministro Pistarini
8 Sept
EZE22:30Buenos Aires Ministro Pistarini
67h 35m
2 stops
SYD07:05Sydney Kingsford Smith
$1,977

momondo Fare Finder

 
Customise 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, momondo users made 78,305 searches. Data last updated 8 June 2026.
Use the filters below to find and compare flights from Sydney to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 19/10

11:00-16:30

1 stop19h 30m

Buenos Aires Ministro Pistarini

Mon 16/11

02:00-12:40

1 stop20h 40m

$1,956

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Thu 2/7

09:05-16:45

1 stop20h 40m

Buenos Aires Ministro Pistarini

Thu 9/7

02:15-18:10

1 stop26h 55m

$1,961

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 16/10

10:10-11:05

2 stops38h 55m

Buenos Aires Ministro Pistarini

Thu 19/11

23:35-09:00

2 stops43h 25m

$1,963

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sun 30/8

09:10-08:45

2 stops60h 35m

Buenos Aires Ministro Pistarini

Tue 8/9

21:05-07:05

2 stops45h 00m

$1,973

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Thu 2/7

09:05-16:45

1 stop20h 40m

Buenos Aires Ministro Pistarini

Thu 9/7

02:15-18:10

1 stop26h 55m

$1,976

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 18/8

09:10-06:00

2 stops57h 50m

Buenos Aires Ministro Pistarini

Tue 8/9

22:30-07:05

2 stops67h 35m

$1,977

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sun 12/7

11:45-21:30

1 stop22h 45m

Buenos Aires Jorge Newbery

Mon 27/7

22:30-06:50

1 stop19h 20m

$2,174
Fastest return journey

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 16/7

11:45-14:50

1 stop16h 05m

Buenos Aires Jorge Newbery

Mon 27/7

21:00-06:50

1 stop20h 50m

$2,184

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sun 5/7

11:45-14:50

1 stop16h 05m

Buenos Aires Jorge Newbery

Mon 27/7

21:00-06:50

1 stop20h 50m

$2,242

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sun 12/7

11:45-21:30

1 stop22h 45m

Buenos Aires Jorge Newbery

Mon 27/7

21:00-06:50

1 stop20h 50m

$2,254

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 Buenos Aires from

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

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 Sydney and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Sydney is in January. Flight prices, which tend to average around $979, are often lower during this time because this is during the off-season. If you don’t want to visit Buenos Aires in January, then you should wait until August to fly from Sydney, when ticket prices are also cheap, with an average price of $1,249.

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

You could potentially save up to 18% on your flight if you consider stops on a Sydney to Buenos Aires flight.

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

As of June 2026, prices for Sydney to Buenos Aires flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Sydney to Buenos Aires

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

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

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

Fastest flight time

19h 25m

Direct flights

None
The fastest flight from Sydney to Buenos Aires takes 19h 25m
There are no direct flights from Sydney to Buenos Aires. There are no popular flight routes from Sydney to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Sydney to Buenos Aires

  • How far is Sydney Kingsford Smith to Buenos Aires by plane?

    There are 11791.2 km between Sydney Kingsford Smith and Buenos Aires. By plane, this route typically takes 19h 25m.

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

    Prices for flights from Sydney Kingsford Smith Airport to Buenos Aires were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Sydney to Buenos Aires?

Best airlines flying from Sydney to Buenos Aires

Compare and see reviews for airlines that fly from Sydney to Buenos Aires with momondo
Airline
Rating
Free cancellation
Price
LATAM AirlinesPriceFrom $1,713Free cancellationRating
7.4
1,925 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,821Free cancellationRating
7.1
11,645 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Buenos Aires for you.

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

Yes. All flights to Buenos Aires from Sydney on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Sydney to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Buenos Aires from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport