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Cheap flights from Sydney to Buenos Aires from $1,029

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 15/4. 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

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LATAM Airlines Logo
11:10 - 19:45
SYD
-
AEP
22h 35m
1 stop
LATAM Airlines Logo
15:45 - 10:45
AEP
-
SYD
29h 00m
2 stops
$1,784LATAM Airlines
Mon, 9 Mar - Fri, 3 Apr
LATAM Airlines Logo
11:10 - 18:04
SYD
-
EZE
20h 54m
1 stop
LATAM Airlines Logo
19:21 - 10:30
EZE
-
SYD
25h 09m
2 stops
$1,784LATAM Airlines
Mon, 9 Mar - Fri, 3 Apr
LATAM Airlines Logo
11:45 - 19:40
SYD
-
AEP
20h 55m
1 stop
LATAM Airlines Logo
08:40 - 08:20
AEP
-
SYD
34h 40m
2 stops
$1,792LATAM Airlines
Mon, 6 Apr - Sun, 26 Apr
Multiple Airlines Logo
22:00 - 18:04
SYD
-
EZE
34h 04m
2 stops
Multiple Airlines Logo
03:55 - 06:50
EZE
-
SYD
37h 55m
2 stops
$1,797Multiple Airlines
Tue, 10 Mar - Mon, 27 Apr
Multiple Airlines Logo
06:25 - 14:50
SYD
-
AEP
21h 25m
2 stops
Multiple Airlines Logo
08:40 - 08:20
AEP
-
SYD
34h 40m
2 stops
$1,819Multiple Airlines
Mon, 6 Apr - Sun, 26 Apr
LATAM Airlines Logo
08:00 - 02:55
SYD
-
EZE
32h 55m
3 stops
LATAM Airlines Logo
07:10 - 09:30
EZE
-
SYD
36h 20m
3 stops
$1,822LATAM Airlines
Thu, 12 Mar - Fri, 20 Mar
Multiple Airlines Logo
06:00 - 14:40
SYD
-
AEP
22h 40m
2 stops
Multiple Airlines Logo
21:05 - 09:30
AEP
-
SYD
22h 25m
2 stops
$1,824Multiple Airlines
Thu, 19 Feb - Mon, 9 Mar
Multiple Airlines Logo
12:20 - 23:36
SYD
-
EZE
24h 16m
1 stop
Multiple Airlines Logo
07:30 - 17:40
EZE
-
SYD
21h 10m
1 stop
$1,855Multiple Airlines
Mon, 6 Apr - Sun, 26 Apr
LATAM Airlines Logo
08:00 - 18:04
SYD
-
EZE
24h 04m
2 stops
LATAM Airlines Logo
07:35 - 06:50
EZE
-
SYD
34h 15m
2 stops
$1,858LATAM Airlines
Wed, 11 Mar - Wed, 8 Apr
American Airlines Logo
11:20 - 08:00
SYD
-
EZE
34h 40m
2 stops
American Airlines Logo
22:25 - 09:00
EZE
-
SYD
44h 35m
2 stops
$1,927American Airlines
Mon, 9 Mar - Tue, 10 Mar

American Airlines flights from Sydney to Buenos Aires

Our best American Airlines deals on Sydney to Buenos Aires flight tickets
American Airlines
9 Mar
SYD11:20Sydney Kingsford Smith
34h 40m
2 stops
EZE08:00Buenos Aires Ministro Pistarini
10 Mar
EZE22:25Buenos Aires Ministro Pistarini
44h 35m
2 stops
SYD09:00Sydney Kingsford Smith
$1,927
American Airlines
6 Feb
SYD11:20Sydney Kingsford Smith
35h 05m
2 stops
EZE08:25Buenos Aires Ministro Pistarini
10 Mar
EZE23:30Buenos Aires Ministro Pistarini
43h 30m
2 stops
SYD09:00Sydney Kingsford Smith
$1,951
American Airlines
6 Mar
SYD11:20Sydney Kingsford Smith
33h 45m
2 stops
EZE07:05Buenos Aires Ministro Pistarini
7 May
EZE20:35Buenos Aires Ministro Pistarini
45h 30m
2 stops
SYD07:05Sydney Kingsford Smith
$1,952

China Eastern flights from Sydney to Buenos Aires

Our best China Eastern deals on Sydney to Buenos Aires flight tickets
China Eastern
4 Mar
SYD19:15Sydney Kingsford Smith
35h 40m
1 stop
EZE16:55Buenos Aires Ministro Pistarini
18 May
EZE02:00Buenos Aires Ministro Pistarini
21h 10m
1 stop
SYD12:10Sydney Kingsford Smith
$2,024
China Eastern
12 Mar
SYD07:05Sydney Kingsford Smith
23h 50m
1 stop
EZE16:55Buenos Aires Ministro Pistarini
30 Mar
EZE02:00Buenos Aires Ministro Pistarini
21h 10m
1 stop
SYD13:10Sydney Kingsford Smith
$2,191
China Eastern
11 Mar
SYD19:15Sydney Kingsford Smith
35h 40m
1 stop
EZE16:55Buenos Aires Ministro Pistarini
30 Mar
EZE02:00Buenos Aires Ministro Pistarini
21h 10m
1 stop
SYD13:10Sydney Kingsford Smith
$2,193

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 4 February 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

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Mon 9/3

11:10-19:45

1 stop22h 35m

Buenos Aires Jorge Newbery

Fri 3/4

15:45-10:45

2 stops29h 00m

$1,784

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 9/3

11:10-18:04

1 stop20h 54m

Buenos Aires Ministro Pistarini

Fri 3/4

19:21-10:30

2 stops25h 09m

$1,784

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Mon 6/4

11:45-19:40

1 stop20h 55m

Buenos Aires Jorge Newbery

Sun 26/4

08:40-08:20

2 stops34h 40m

$1,792

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 10/3

22:00-18:04

2 stops34h 04m

Buenos Aires Ministro Pistarini

Mon 27/4

03:55-06:50

2 stops37h 55m

$1,797

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Mon 6/4

06:25-14:50

2 stops21h 25m

Buenos Aires Jorge Newbery

Sun 26/4

08:40-08:20

2 stops34h 40m

$1,819

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Thu 12/3

08:00-02:55

3 stops32h 55m

Buenos Aires Ministro Pistarini

Fri 20/3

07:10-09:30

3 stops36h 20m

$1,822

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 19/2

06:00-14:40

2 stops22h 40m

Buenos Aires Jorge Newbery

Mon 9/3

21:05-09:30

2 stops22h 25m

$1,824

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 6/4

12:20-23:36

1 stop24h 16m

Buenos Aires Ministro Pistarini

Sun 26/4

07:30-17:40

1 stop21h 10m

$1,855

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Wed 11/3

08:00-18:04

2 stops24h 04m

Buenos Aires Ministro Pistarini

Wed 8/4

07:35-06:50

2 stops34h 15m

$1,858

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 9/3

11:20-08:00

2 stops34h 40m

Buenos Aires Ministro Pistarini

Tue 10/3

22:25-09:00

2 stops44h 35m

$1,927

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 cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Sydney is in May. Flight prices, which tend to average around $2,125, are often lower during this time because this is during the off-season. If you don’t want to visit Buenos Aires in May, then you should wait until February to fly from Sydney, when ticket prices are also cheap, with an average price of $2,179.

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

You could potentially save up to 38% 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 February 2026, prices for Sydney to Buenos Aires flights are approximately 5% cheaper 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

16h 05m

Direct flights

None
The fastest flight from Sydney to Buenos Aires takes 16h 05m
There are no direct flights from Sydney to Buenos Aires. There are no popular flight routes from Sydney to Buenos Aires.
Search flight deals

  • 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 16h 05m.

  • 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 $1,727Free cancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,831Free cancellationRating
7.2
11,218 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