Cheap flights from Sydney to Buenos Aires from $1,152
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BUE
27 Dec — 3 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Buenos Aires are usually found in May or July, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Find flight deals from Sydney to Buenos Aires
Enter your travel dates to find the best prices.
Cheapest flights from Sydney to Buenos Aires
Explore the most affordable flight options available from Sydney to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.
Wed 3/1211:20SYD - EZE
2 stops34h 45mAmerican Airlines
Tue 3/322:25EZE - SYD
2 stops44h 35mAmerican Airlines
Deal found 25/11$2,300
Tue 2/1212:20SYD - EZE
1 stop20h 23mMultiple Airlines
Tue 9/1206:40EZE - SYD
1 stop21h 00mMultiple Airlines
Deal found 25/11$2,308
Mon 8/1209:55SYD - EZE
1 stop20h 35mMultiple Airlines
Thu 25/1202:00EZE - SYD
1 stop23h 05mMultiple Airlines
Deal found 24/11$2,337
Tue 2/1212:20SYD - AEP
1 stop20h 20mMultiple Airlines
Tue 9/1205:45AEP - SYD
1 stop21h 55mMultiple Airlines
Deal found 25/11$2,352
Tue 9/1211:10SYD - AEP
1 stop22h 30mLATAM Airlines
Fri 12/1208:50AEP - SYD
1 stop31h 25mLATAM Airlines
Deal found 25/11$2,446
Sun 30/1111:10SYD - EZE
1 stop21h 33mLATAM Airlines
Sat 14/219:43EZE - SYD
2 stops23h 17mLATAM Airlines
Deal found 26/11$2,701
Thu 4/1214:05SYD - EZE
1 stop32h 00mAmerican Airlines
Fri 5/1223:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 26/11$2,729
Sun 7/1219:15SYD - EZE
1 stop35h 15mMultiple Airlines
Thu 25/1202:00EZE - SYD
1 stop23h 05mMultiple Airlines
Deal found 24/11$2,738
Fri 5/1211:20SYD - EZE
2 stops36h 55mAmerican Airlines
Mon 12/120:45EZE - SYD
2 stops43h 25mAmerican Airlines
Deal found 25/11$2,758
Wed 10/1211:10SYD - AEP
1 stop17h 30mLATAM Airlines
Wed 31/1208:50AEP - SYD
1 stop31h 25mLATAM Airlines
Deal found 24/11$2,763
Thu 4/1211:20SYD - EZE
2 stops35h 50mAmerican Airlines
Sat 27/1222:30EZE - SYD
2 stops41h 40mAmerican Airlines
Deal found 24/11$2,783
Tue 9/1211:10SYD - EZE
1 stop21h 33mMultiple Airlines
Thu 11/1202:00EZE - SYD
1 stop41h 10mMultiple Airlines
Deal found 25/11$2,791
Best flights from Sydney to Buenos Aires
Discover carefully curated flight deals from Sydney to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 November 2025.
Tue 5/522:00SYD - EZE
2 stops33h 21mMultiple Airlines
Tue 19/519:21EZE - SYD
1 stop21h 54mMultiple Airlines
Deal found 26/11$2,254
Tue 10/311:20SYD - EZE
2 stops36h 55mAmerican Airlines
Tue 28/422:30EZE - SYD
2 stops43h 35mAmerican Airlines
Deal found 26/11$2,302
Sat 24/111:10SYD - AEP
1 stop22h 30mLATAM Airlines
Wed 11/221:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 26/11$2,446
Wed 6/509:10SYD - EZE
2 stops59h 25mAmerican Airlines
Thu 21/509:15EZE - SYD
2 stops56h 50mAmerican Airlines
Deal found 26/11$2,317
Tue 10/322:00SYD - EZE
2 stops34h 43mMultiple Airlines
Tue 24/307:10EZE - SYD
3 stops36h 35mMultiple Airlines
Deal found 25/11$2,403
Wed 21/111:10SYD - AEP
1 stop22h 30mLATAM Airlines
Wed 11/221:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 26/11$2,446
Mon 4/509:10SYD - EZE
2 stops62h 05mAmerican Airlines
Thu 21/509:15EZE - SYD
2 stops56h 50mAmerican Airlines
Deal found 26/11$2,317
Thu 22/108:10SYD - AEP
2 stops25h 30mMultiple Airlines
Fri 13/221:05AEP - SYD
2 stops21h 50mMultiple Airlines
Deal found 26/11$2,440
Thu 22/111:10SYD - AEP
1 stop22h 30mLATAM Airlines
Mon 16/221:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 26/11$2,446
Sun 3/509:10SYD - EZE
2 stops62h 05mAmerican Airlines
Sat 16/520:30EZE - SYD
2 stops45h 35mAmerican Airlines
Deal found 26/11$2,411
Sat 2/511:10SYD - EZE
1 stop20h 11mLATAM Airlines
Fri 22/512:15EZE - SYD
1 stop29h 00mLATAM Airlines
Deal found 26/11$2,460
Tue 7/422:00SYD - EZE
2 stops33h 21mMultiple Airlines
Tue 28/407:45EZE - SYD
2 stops33h 30mMultiple Airlines
Deal found 25/11$2,482
Sun 3/509:10SYD - EZE
2 stops62h 05mAmerican Airlines
Mon 18/520:30EZE - SYD
2 stops45h 35mAmerican Airlines
Deal found 26/11$2,411
Tue 10/321:15SYD - EZE
2 stops35h 28mMultiple Airlines
Tue 28/419:21EZE - SYD
1 stop21h 54mMultiple Airlines
Deal found 26/11$2,554
Wed 21/111:10SYD - AEP
1 stop22h 30mLATAM Airlines
Thu 12/215:40AEP - SYD
1 stop24h 35mLATAM Airlines
Deal found 26/11$2,555
Tue 10/311:10SYD - EZE
1 stop21h 33mLATAM Airlines
Mon 27/403:55EZE - SYD
2 stops37h 20mLATAM Airlines
Deal found 26/11$2,555
Wed 3/1207:25SYD - AEP
2 stops21h 15mMultiple Airlines
Tue 3/321:05AEP - SYD
2 stops21h 50mMultiple Airlines
Deal found 25/11$2,823
Wed 21/111:10SYD - AEP
1 stop23h 30mMultiple Airlines
Tue 10/209:50AEP - SYD
2 stops55h 35mMultiple Airlines
Deal found 26/11$2,920
Thu 22/111:10SYD - AEP
1 stop20h 30mMultiple Airlines
Thu 12/209:50AEP - SYD
2 stops55h 35mMultiple Airlines
Deal found 26/11$2,961
Fri 26/1211:10SYD - AEP
1 stop37h 20mLATAM Airlines
Mon 19/121:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 26/11$3,485
Thu 22/111:10SYD - AEP
1 stop30h 30mMultiple Airlines
Wed 11/205:15AEP - SYD
2 stops36h 10mMultiple Airlines
Deal found 26/11$3,087
Last-minute flights from Sydney to Buenos Aires
Discover last-minute flight deals from Sydney to Buenos Aires. Data last updated 27 November 2025 and is based on user searches.
Sun 30/1111:10SYD - EZE
1 stop21h 33mLATAM Airlines
Sat 14/219:43EZE - SYD
2 stops23h 17mLATAM Airlines
Deal found 26/11$2,701
Tue 2/1212:20SYD - EZE
1 stop20h 23mMultiple Airlines
Tue 9/1206:40EZE - SYD
1 stop21h 00mMultiple Airlines
Deal found 25/11$2,308
Tue 2/1212:20SYD - AEP
1 stop20h 20mMultiple Airlines
Tue 9/1205:45AEP - SYD
1 stop21h 55mMultiple Airlines
Deal found 25/11$2,352
Wed 3/1211:20SYD - EZE
2 stops34h 45mAmerican Airlines
Tue 3/322:25EZE - SYD
2 stops44h 35mAmerican Airlines
Deal found 25/11$2,300
Thu 4/1214:05SYD - EZE
1 stop32h 00mAmerican Airlines
Fri 5/1223:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 26/11$2,729
Thu 4/1211:20SYD - EZE
2 stops35h 50mAmerican Airlines
Sat 27/1222:30EZE - SYD
2 stops41h 40mAmerican Airlines
Deal found 24/11$2,783
Fri 5/1211:20SYD - EZE
2 stops36h 55mAmerican Airlines
Sun 11/122:25EZE - SYD
2 stops42h 10mAmerican Airlines
Deal found 25/11$2,758
Sun 7/1219:15SYD - EZE
1 stop35h 15mMultiple Airlines
Thu 25/1202:00EZE - SYD
1 stop23h 05mMultiple Airlines
Deal found 24/11$2,738
Mon 8/1209:55SYD - EZE
1 stop20h 35mMultiple Airlines
Thu 25/1202:00EZE - SYD
1 stop23h 05mMultiple Airlines
Deal found 24/11$2,337
Tue 9/1211:10SYD - AEP
1 stop22h 30mLATAM Airlines
Fri 12/1208:50AEP - SYD
1 stop31h 25mLATAM Airlines
Deal found 25/11$2,446
Tue 9/1211:10SYD - EZE
1 stop21h 33mMultiple Airlines
Thu 11/1202:00EZE - SYD
1 stop41h 10mMultiple Airlines
Deal found 25/11$2,791
Wed 10/1211:10SYD - AEP
1 stop17h 30mLATAM Airlines
Wed 31/1208:50AEP - SYD
1 stop31h 25mLATAM Airlines
Deal found 24/11$2,763
One-way flights from Sydney to Buenos Aires
Search for one-way flight options from Sydney to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 27 November 2025.
Thu 19/308:30SYD - AEP
2 stops20h 10mLATAM Airlines
Deal found 26/11$1,152
Fri 20/208:30SYD - AEP
2 stops20h 10mLATAM Airlines
Deal found 26/11$1,156
Fri 20/208:30SYD - EZE
2 stops24h 13mLATAM Airlines
Deal found 26/11$1,156
Sun 15/219:15SYD - EZE
1 stop35h 15mMultiple Airlines
Deal found 25/11$1,175
Sun 15/211:10SYD - AEP
1 stop22h 30mLATAM Airlines
Deal found 25/11$1,187
Wed 18/311:10SYD - AEP
1 stop17h 30mLATAM Airlines
Deal found 26/11$1,215
Sun 15/208:30SYD - EZE
2 stops24h 13mLATAM Airlines
Deal found 25/11$1,216
Wed 21/106:00SYD - EZE
2 stops26h 43mMultiple Airlines
Deal found 25/11$1,218
Fri 24/406:00SYD - AEP
2 stops26h 40mMultiple Airlines
Deal found 26/11$1,219
Wed 21/111:10SYD - EZE
1 stop21h 33mLATAM Airlines
Deal found 25/11$1,221
Tue 24/311:10SYD - AEP
1 stop17h 30mLATAM Airlines
Deal found 26/11$1,236
Mon 16/311:10SYD - AEP
1 stop22h 30mLATAM Airlines
Deal found 26/11$1,238
Cheap flight deals from Sydney to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 November 2025.
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, Cheapflights users made 647,157 searches. Data last updated 27 November 2025.
Use the filters below to find and compare flights from Sydney to Buenos Aires that are best for you.
Fly from
Sydney
Fly to
Buenos Aires
Route
Depart
Return
Price
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Tue 5/5
22:00-18:21
2 stops33h 21m
Buenos Aires Ministro Pistarini
Tue 19/5
19:21-06:15
1 stop21h 54m
$2,254
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Tue 10/3
11:20-10:15
2 stops36h 55m
Buenos Aires Ministro Pistarini
Tue 28/4
22:30-07:05
2 stops43h 35m
$2,302
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Wed 6/5
09:10-07:35
2 stops59h 25m
Buenos Aires Ministro Pistarini
Thu 21/5
09:15-07:05
2 stops56h 50m
$2,317
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Mon 4/5
09:10-10:15
2 stops62h 05m
Buenos Aires Ministro Pistarini
Thu 21/5
09:15-07:05
2 stops56h 50m
$2,317
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Tue 10/3
22:00-18:43
2 stops34h 43m
Buenos Aires Ministro Pistarini
Tue 24/3
07:10-09:45
3 stops36h 35m
$2,403
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Sun 3/5
09:10-10:15
2 stops62h 05m
Buenos Aires Ministro Pistarini
Sat 16/5
20:30-07:05
2 stops45h 35m
$2,411
SydneyBuenos Aires
SYD - EZE
SYDEZE
Sydney Kingsford Smith
Sun 3/5
09:10-10:15
2 stops62h 05m
Buenos Aires Ministro Pistarini
Mon 18/5
20:30-07:05
2 stops45h 35m
$2,411
SydneyBuenos Aires
SYD - AEP
SYDAEP
Sydney Kingsford Smith
Thu 22/1
08:10-19:40
2 stops25h 30m
Buenos Aires Jorge Newbery
Fri 13/2
21:05-08:55
2 stops21h 50m
$2,440
SydneyBuenos Aires
SYD - AEP
SYDAEP
Sydney Kingsford Smith
Sat 24/1
11:10-19:40
1 stop22h 30m
Buenos Aires Jorge Newbery
Wed 11/2
21:05-06:15
1 stop19h 10m
$2,446
SydneyBuenos Aires
SYD - AEP
SYDAEP
Sydney Kingsford Smith
Wed 21/1
11:10-19:40
1 stop22h 30m
Buenos Aires Jorge Newbery
Wed 11/2
21:05-06:15
1 stop19h 10m
$2,446
Flights are sorted by cheapest return flights first.
Deals found on 26/11
Showing 1-10 of 36 results
1
2
3
4
Best time to book a flight from Sydney to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sydney to Buenos Aires
How far ahead should I book a flight from Sydney to Buenos Aires?
Use this chart to determine the optimal time to book a return flight from Sydney to Buenos Aires. Price data was last updated on 21 November 2025.
Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Sydney to Buenos Aires?
Currently, May is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $1,581). Flying from Sydney to Buenos Aires in January is currently the most expensive (average of $2,329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SYD to BUE?
Find hourly flight availability from Sydney to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.
It’s optimal to fly from Sydney to Buenos Aires at midday. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.
How much does it cost for a return flight from Sydney to Buenos Aires?
What’s the top stopover airport for flights from Sydney to Buenos Aires?
Share of one-stop return flights from Sydney to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Santiago (SCL) – chosen by Cheapflights users on 100% of one-stop itineraries from Sydney to Buenos Aires on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to Buenos Aires?
Average return fare for one-stop flights from Sydney to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Santiago (SCL) is the most affordable one-stop option, with an average return flight price of $2,619.
What’s the fastest stopover option from Sydney to Buenos Aires?
Shortest average travel time for one-stop one-way flights from Sydney to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Santiago (SCL) have the shortest average one-way travel time for one-stop routes: 18h 43m.
Which airport typically offers the quickest stopover for flights from Sydney to Buenos Aires?
Average stopover duration for one-stop one-way flights from Sydney to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 2h 10m.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 27 November 2025.
Read through reviews of airlines operating flights from Sydney to Buenos Aires, such as LATAM Airlines, United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Related info for your journey
Find useful and relevant information for your journey from Sydney to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Sydney to Buenos Aires?
Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Kingsford Smith; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Sydney airport to Buenos Aires. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.
How long is the flight from Sydney to Buenos Aires?
Departing from Sydney to Buenos Aires will take you 22h 30m. There are 11790 km between Sydney and Buenos Aires. This flight may include one or multiple stops.
What is the cheapest airline to fly from Sydney to Buenos Aires round-trip?
Currently priced at $1,875, LATAM Airlines will fly you from Sydney to Buenos Aires and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. LATAM Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for business class flights from Sydney to Buenos Aires?
Yes. Cheapflights offers flight deals from Sydney to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sydney to Buenos Aires?
Currently, May is the cheapest month in which you can book a flight from Sydney to Buenos Aires (average of $1,581). Flying from Sydney to Buenos Aires in January is currently the most expensive (average of $2,329). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Fly from Sydney to Buenos Aires on these airlines
Choose from the following airlines for your flight from Sydney to Buenos Aires. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 November 2025.
Discover the top airline that operate flights from Sydney to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 27 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Buenos Aires?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Buenos Aires from Sydney today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Sydney to Buenos Aires?
Cheapflights simply makes it quick and affordable to book flights from Sydney to Buenos Aires by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Sydney to Buenos Aires with no change fees?
Yes, we can. To see specific flights from Sydney to Buenos Aires with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Sydney to Buenos Aires become cheaper?
Of course! You can now track prices for flights from Sydney to Buenos Aires and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.