Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Buenos Aires from $1,173

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 19/11. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sydney to Buenos Aires

Cheap return flights

British Airways Logo
11:20 - 07:05SYD-EZE
33h 45m2 stops
British Airways Logo
22:25 - 09:00EZE-SYD
44h 35m2 stops
$1,946British Airways
Find Deal
Thu, 30 Oct - Thu, 6 Nov
British Airways Logo
11:20 - 08:20SYD-EZE
35h 00m2 stops
British Airways Logo
20:45 - 09:00EZE-SYD
46h 15m2 stops
$1,961British Airways
Find Deal
Sat, 1 Nov - Sat, 8 Nov
Iberia Logo
10:10 - 07:25SYD-EZE
35h 15m2 stops
Iberia Logo
22:30 - 09:00EZE-SYD
44h 30m2 stops
$1,963Iberia
Find Deal
Mon, 13 Oct - Fri, 24 Oct
American Airlines Logo
11:20 - 08:10SYD-EZE
34h 50m2 stops
American Airlines Logo
22:25 - 09:00EZE-SYD
44h 35m2 stops
$1,967American Airlines
Find Deal
Fri, 7 Nov - Wed, 19 Nov
American Airlines Logo
11:20 - 07:05SYD-EZE
33h 45m2 stops
American Airlines Logo
23:59 - 09:00EZE-SYD
43h 01m2 stops
$1,969American Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Iberia Logo
11:20 - 08:20SYD-EZE
35h 00m2 stops
Iberia Logo
23:20 - 09:00EZE-SYD
43h 40m2 stops
$1,979Iberia
Find Deal
Sat, 1 Nov - Sat, 8 Nov
LATAM Airlines Logo
08:30 - 17:11SYD-EZE
22h 41m2 stops
LATAM Airlines Logo
18:13 - 07:45EZE-SYD
23h 32m1 stop
$2,237LATAM Airlines
Find Deal
Mon, 20 Oct - Fri, 24 Oct
LATAM Airlines Logo
08:45 - 18:43SYD-EZE
23h 58m2 stops
LATAM Airlines Logo
19:43 - 06:20EZE-SYD
20h 37m1 stop
$2,240LATAM Airlines
Find Deal
Fri, 7 Nov - Fri, 21 Nov
Air Canada Logo
11:20 - 15:10SYD-EZE
65h 50m3 stops
Air Canada Logo
16:45 - 09:35EZE-SYD
50h 50m3 stops
$2,257Air Canada
Find Deal
Mon, 10 Nov - Wed, 19 Nov
Air Canada Logo
11:20 - 15:10SYD-EZE
65h 50m3 stops
Air Canada Logo
16:45 - 09:35EZE-SYD
50h 50m3 stops
$2,260Air Canada
Find Deal
Mon, 10 Nov - Wed, 19 Nov

American Airlines flights from Sydney to Buenos Aires

Our best American Airlines deals on Sydney to Buenos Aires flight tickets
American Airlines
7 Nov
SYD11:20Sydney Kingsford Smith
34h 50m
2 stops
EZE08:10Buenos Aires Ministro Pistarini
19 Nov
EZE22:25Buenos Aires Ministro Pistarini
44h 35m
2 stops
SYD09:00Sydney Kingsford Smith
$1,967
Find similar
American Airlines
30 Oct
SYD11:20Sydney Kingsford Smith
33h 45m
2 stops
EZE07:05Buenos Aires Ministro Pistarini
6 Nov
EZE23:59Buenos Aires Ministro Pistarini
43h 01m
2 stops
SYD09:00Sydney Kingsford Smith
$1,969
Find similar
American Airlines
9 Nov
SYD11:20Sydney Kingsford Smith
35h 40m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
18 Nov
EZE23:59Buenos Aires Ministro Pistarini
43h 01m
2 stops
SYD09:00Sydney Kingsford Smith
$1,970
Find similar

Iberia flights from Sydney to Buenos Aires

Our best Iberia deals on Sydney to Buenos Aires flight tickets
Iberia
13 Oct
SYD10:10Sydney Kingsford Smith
35h 15m
2 stops
EZE07:25Buenos Aires Ministro Pistarini
24 Oct
EZE22:30Buenos Aires Ministro Pistarini
44h 30m
2 stops
SYD09:00Sydney Kingsford Smith
$1,963
Find similar
Iberia
1 Nov
SYD11:20Sydney Kingsford Smith
35h 00m
2 stops
EZE08:20Buenos Aires Ministro Pistarini
8 Nov
EZE23:20Buenos Aires Ministro Pistarini
43h 40m
2 stops
SYD09:00Sydney Kingsford Smith
$1,979
Find similar

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 17 September 2025.
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 - EZE

SYDEZE

Sydney Kingsford Smith

Thu 30/10

11:20-07:05

2 stops33h 45m

Buenos Aires Ministro Pistarini

Thu 6/11

22:25-09:00

2 stops44h 35m

$1,946

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sat 1/11

11:20-08:20

2 stops35h 00m

Buenos Aires Ministro Pistarini

Sat 8/11

20:45-09:00

2 stops46h 15m

$1,961

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 13/10

10:10-07:25

2 stops35h 15m

Buenos Aires Ministro Pistarini

Fri 24/10

22:30-09:00

2 stops44h 30m

$1,963

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 7/11

11:20-08:10

2 stops34h 50m

Buenos Aires Ministro Pistarini

Wed 19/11

22:25-09:00

2 stops44h 35m

$1,967

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Thu 30/10

11:20-07:05

2 stops33h 45m

Buenos Aires Ministro Pistarini

Thu 6/11

23:59-09:00

2 stops43h 01m

$1,969

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Sat 1/11

11:20-08:20

2 stops35h 00m

Buenos Aires Ministro Pistarini

Sat 8/11

23:20-09:00

2 stops43h 40m

$1,979

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 20/10

08:30-17:11

2 stops22h 41m

Buenos Aires Ministro Pistarini

Fri 24/10

18:13-07:45

1 stop23h 32m

$2,237

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Fri 7/11

08:45-18:43

2 stops23h 58m

Buenos Aires Ministro Pistarini

Fri 21/11

19:43-06:20

1 stop20h 37m

$2,240

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 10/11

11:20-15:10

3 stops65h 50m

Buenos Aires Ministro Pistarini

Wed 19/11

16:45-09:35

3 stops50h 50m

$2,257

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Mon 10/11

11:20-15:10

3 stops65h 50m

Buenos Aires Ministro Pistarini

Wed 19/11

16:45-09:35

3 stops50h 50m

$2,260

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $2,269, 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 July to fly from Sydney, when ticket prices are also cheap, with an average price of $2,295.

What is the cheapest day to depart on your flight to Buenos Aires?

Our data shows that Tuesday is the least expensive day to fly to Buenos Aires. Tickets to fly out on this day can be as low as $2,568. Flights from Sydney to Buenos Aires on a Saturday will generally be more expensive and average around $2,884. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Sydney to Buenos Aires flights are usually those with departure times in the morning. Our users have found flights to Buenos Aires in the morning for as low as $2,649. Flights at midday are often more expensive, with an average ticket price of $3,288.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $2,612 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Sydney for as low as $2,351 on momondo.

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

You could potentially save up to 14% 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 September 2025, prices for Sydney to Buenos Aires flights are approximately 6% 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

Direct flights

None
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 17h 30m.

  • 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 $1,859Free cancellationRating
7.5
1,849 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,976Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $2,203Free cancellationRating
7.1
10,000 reviews
Search Air Canada 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.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 17/10
Fri 24/10
By creating a price alert you accept our terms of use and privacy policy.

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