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Cheap flights from Buenos Aires to Sydney from $1,524

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 8/9. 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

LATAM Airlines Logo
21:05 - 06:20AEP-SYD
19h 15m1 stop
LATAM Airlines Logo
11:10 - 14:40SYD-AEP
16h 30m1 stop
$2,549LATAM Airlines
Find Deal
Sat, 15 Nov - Fri, 15 May
LATAM Airlines Logo
19:43 - 06:20EZE-SYD
20h 37m1 stop
LATAM Airlines Logo
11:10 - 18:13SYD-EZE
20h 03m1 stop
$2,549LATAM Airlines
Find Deal
Sat, 15 Nov - Fri, 15 May
LATAM Airlines Logo
19:43 - 06:20EZE-SYD
20h 37m1 stop
LATAM Airlines Logo
11:10 - 02:30SYD-EZE
28h 20m2 stops
$2,554LATAM Airlines
Find Deal
Sat, 15 Nov - Fri, 15 May
LATAM Airlines Logo
12:48 - 06:45EZE-SYD
28h 57m1 stop
LATAM Airlines Logo
11:10 - 20:55SYD-EZE
23h 45m1 stop
$2,575LATAM Airlines
Find Deal
Tue, 16 Sep - Sat, 22 Nov
LATAM Airlines Logo
21:05 - 09:45AEP-SYD
22h 40m2 stops
LATAM Airlines Logo
11:10 - 14:40SYD-AEP
16h 30m1 stop
$2,581LATAM Airlines
Find Deal
Sat, 15 Nov - Fri, 15 May
LATAM Airlines Logo
19:43 - 09:45EZE-SYD
24h 02m2 stops
LATAM Airlines Logo
11:10 - 02:30SYD-EZE
28h 20m2 stops
$2,592LATAM Airlines
Find Deal
Sat, 15 Nov - Fri, 15 May
LATAM Airlines Logo
18:13 - 06:45EZE-SYD
23h 32m1 stop
LATAM Airlines Logo
08:45 - 18:43SYD-EZE
23h 58m2 stops
$2,597LATAM Airlines
Find Deal
Tue, 16 Sep - Wed, 19 Nov
LATAM Airlines Logo
15:40 - 09:45AEP-SYD
28h 05m2 stops
LATAM Airlines Logo
11:10 - 19:40SYD-AEP
22h 30m1 stop
$2,603LATAM Airlines
Find Deal
Sat, 15 Nov - Sun, 15 Feb
Logo
17:10 - 17:40AEP-SYD
34h 30m1 stop
Logo
12:20 - 15:30SYD-AEP
17h 10m1 stop
$2,888
Find Deal
Sat, 29 Nov - Fri, 23 Jan
Logo
06:15 - 09:35AEP-SYD
38h 20m3 stops
Logo
08:10 - 01:00SYD-AEP
30h 50m2 stops
$2,909
Find Deal
Mon, 15 Sep - Thu, 20 Nov

LATAM Airlines flights from Buenos Aires to Sydney

Our best LATAM Airlines deals on Buenos Aires to Sydney flight tickets
LATAM Airlines
15 Nov
AEP21:05Buenos Aires Jorge Newbery
19h 15m
1 stop
SYD06:20Sydney Kingsford Smith
15 May
SYD11:10Sydney Kingsford Smith
16h 30m
1 stop
AEP14:40Buenos Aires Jorge Newbery
$2,549
Find similar
LATAM Airlines
15 Nov
EZE19:43Buenos Aires Ministro Pistarini
20h 37m
1 stop
SYD06:20Sydney Kingsford Smith
15 May
SYD11:10Sydney Kingsford Smith
28h 20m
2 stops
EZE02:30Buenos Aires Ministro Pistarini
$2,554
Find similar
LATAM Airlines
29 Aug
EZE05:33Buenos Aires Ministro Pistarini
22h 42m
1 stop
SYD17:15Sydney Kingsford Smith
11 Sept
SYD13:10Sydney Kingsford Smith
17h 01m
1 stop
EZE17:11Buenos Aires Ministro Pistarini
$2,574
Find similar

United Airlines flights from Buenos Aires to Sydney

Our best United Airlines deals on Buenos Aires to Sydney flight tickets
United Airlines
29 Aug
EZE21:00Buenos Aires Ministro Pistarini
44h 55m
2 stops
SYD06:55Sydney Kingsford Smith
8 Oct
SYD11:20Sydney Kingsford Smith
34h 40m
2 stops
EZE08:00Buenos Aires Ministro Pistarini
$3,157
Find similar
United Airlines
31 Aug
EZE21:00Buenos Aires Ministro Pistarini
44h 55m
2 stops
SYD06:55Sydney Kingsford Smith
4 Oct
SYD09:30Sydney Kingsford Smith
35h 30m
2 stops
EZE08:00Buenos Aires Ministro Pistarini
$3,314
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 24 August 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

Sat 15/11

21:05-06:20

1 stop19h 15m

Sydney Kingsford Smith

Fri 15/5

11:10-14:40

1 stop16h 30m

$2,549

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Sat 15/11

19:43-06:20

1 stop20h 37m

Sydney Kingsford Smith

Fri 15/5

11:10-18:13

1 stop20h 03m

$2,549

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Sat 15/11

19:43-06:20

1 stop20h 37m

Sydney Kingsford Smith

Fri 15/5

11:10-02:30

2 stops28h 20m

$2,554

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Tue 16/9

12:48-06:45

1 stop28h 57m

Sydney Kingsford Smith

Sat 22/11

11:10-20:55

1 stop23h 45m

$2,575

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Sat 15/11

21:05-09:45

2 stops22h 40m

Sydney Kingsford Smith

Fri 15/5

11:10-14:40

1 stop16h 30m

$2,581

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Sat 15/11

19:43-09:45

2 stops24h 02m

Sydney Kingsford Smith

Fri 15/5

11:10-02:30

2 stops28h 20m

$2,592

Buenos AiresSydney

EZE - SYD

EZESYD

Buenos Aires Ministro Pistarini

Tue 16/9

18:13-06:45

1 stop23h 32m

Sydney Kingsford Smith

Wed 19/11

08:45-18:43

2 stops23h 58m

$2,597

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Sat 15/11

15:40-09:45

2 stops28h 05m

Sydney Kingsford Smith

Sun 15/2

11:10-19:40

1 stop22h 30m

$2,603

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Sat 29/11

17:10-17:40

1 stop34h 30m

Sydney Kingsford Smith

Fri 23/1

12:20-15:30

1 stop17h 10m

$2,888

Buenos AiresSydney

AEP - SYD

AEPSYD

Buenos Aires Jorge Newbery

Mon 15/9

06:15-09:35

3 stops38h 20m

Sydney Kingsford Smith

Thu 20/11

08:10-01:00

2 stops30h 50m

$2,909

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 $2,701. If you aren’t able to travel to Sydney during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $2,869.

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 $2,708. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,946.

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 $2,885. 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 $3,946 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 $3,483 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 $3,205 on momondo.

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

You could potentially save up to 19% 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 August 2025, prices for Buenos Aires to Sydney flights are approximately 31% 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 35m.

  • 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 $2,653Free cancellationRating
7.5
1,844 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
Manly
Leura
Bondi Beach
Coogee
Randwick
Cronulla
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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