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$999+ Cheap flights to Buenos Aires

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
— BUE
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to Buenos Aires
Explore the most affordable flight options available to Buenos Aires. Find the lowest fares based on data from user searches, with prices last updated on 11 November 2025.

Mon 8/1211:20SYD - EZE
2 stops34h 45mAmerican Airlines
Tue 24/322:35EZE - SYD
2 stops44h 25mAmerican Airlines
Deal found 9/11$1,970
Tue 11/1111:20SYD - EZE
2 stops34h 50mAmerican Airlines
Tue 18/1123:59EZE - SYD
2 stops67h 01mAmerican Airlines
Deal found 10/11$1,985
Mon 8/1211:20SYD - EZE
2 stops33h 45mAmerican Airlines
Wed 25/322:25EZE - SYD
2 stops44h 35mAmerican Airlines
Deal found 9/11$2,066
Wed 3/1219:15SYD - EZE
1 stop35h 40mMultiple Airlines
Mon 2/302:00EZE - SYD
1 stop20h 40mMultiple Airlines
Deal found 8/11$2,101
Wed 3/1211:20SYD - EZE
2 stops33h 45mAmerican Airlines
Tue 3/323:59EZE - SYD
2 stops43h 01mAmerican Airlines
Deal found 8/11$2,299
Tue 2/1211:10SYD - AEP
1 stop22h 30mLATAM Airlines
Thu 11/1211:30AEP - SYD
1 stop28h 45mLATAM Airlines
Deal found 10/11$2,497
Tue 2/1211:10SYD - EZE
1 stop21h 33mLATAM Airlines
Thu 11/1212:15EZE - SYD
1 stop28h 00mLATAM Airlines
Deal found 10/11$2,497
Fri 14/1111:10SYD - EZE
1 stop21h 33mMultiple Airlines
Thu 20/1119:43EZE - SYD
2 stops23h 12mMultiple Airlines
Deal found 10/11$2,510
Wed 10/1211:10SYD - AEP
1 stop22h 30mLATAM Airlines
Wed 17/1221:05AEP - SYD
1 stop19h 10mLATAM Airlines
Deal found 10/11$2,526
Wed 10/1211:10SYD - EZE
1 stop21h 33mLATAM Airlines
Wed 17/1219:43EZE - SYD
1 stop20h 32mLATAM Airlines
Deal found 10/11$2,526
Fri 14/1111:10SYD - AEP
1 stop22h 30mLATAM Airlines
Thu 20/1115:40AEP - SYD
2 stops27h 20mLATAM Airlines
Deal found 10/11$2,559
Fri 14/1111:10SYD - EZE
1 stop23h 45mLATAM Airlines
Thu 20/1119:43EZE - SYD
1 stop20h 32mLATAM Airlines
Deal found 10/11$2,601

Flights to Buenos Aires in 2025

Find the latest flights to Buenos Aires in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 11 November 2025.

Return from

$1,907

One-way from

$999

Popular in

December

Cheapest in

May

Average price

$2,494
2/3-20/4
  • 2/3-20/4
  • 2 total stops
  • 44h 55m total
  • Sydney to Buenos Aires
Search Deals
26/1
  • 26/1
  • 1 total stop
  • 20h 35m total
  • Sydney to Buenos Aires
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($313 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($70 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Buenos Aires that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 11 November 2025.
Use the filters below to find and compare flights to Buenos Aires that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 20/3

08:45-14:40

2 stops19h 55m

Buenos Aires Jorge Newbery

Thu 2/4

21:05-09:30

2 stops22h 25m

$2,100

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Sat 28/3

08:30-19:40

2 stops25h 10m

Buenos Aires Jorge Newbery

Sat 4/4

15:40-09:20

2 stops28h 40m

$2,213

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 12/2

08:30-14:40

2 stops20h 10m

Buenos Aires Jorge Newbery

Sat 20/6

21:05-06:15

1 stop20h 10m

$2,275

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 6/2

07:25-14:40

2 stops21h 15m

Buenos Aires Jorge Newbery

Sun 8/3

21:05-10:15

2 stops23h 10m

$2,426

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 10/3

06:20-18:43

2 stops26h 23m

Buenos Aires Ministro Pistarini

Tue 28/4

12:15-06:15

1 stop29h 00m

$2,536

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Tue 10/3

11:10-02:50

2 stops29h 40m

Buenos Aires Ministro Pistarini

Mon 27/4

03:55-06:15

2 stops37h 20m

$2,566

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Thu 19/2

11:10-14:40

1 stop17h 30m

Buenos Aires Jorge Newbery

Mon 9/3

15:40-06:15

1 stop24h 35m

$2,693

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Fri 20/3

11:10-11:40

3 stops38h 30m

Buenos Aires Jorge Newbery

Thu 2/4

21:05-09:30

2 stops22h 25m

$2,714

SydneyBuenos Aires

SYD - AEP

SYDAEP

Sydney Kingsford Smith

Tue 10/3

08:45-19:40

2 stops24h 55m

Buenos Aires Jorge Newbery

Thu 9/4

21:05-09:30

2 stops23h 25m

$2,736

SydneyBuenos Aires

SYD - EZE

SYDEZE

Sydney Kingsford Smith

Wed 3/12

09:00-18:43

2 stops23h 43m

Buenos Aires Ministro Pistarini

Tue 3/3

12:15-06:15

1 stop28h 00m

$2,866

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 42 results
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Best time to book a flight to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 to Buenos Aires

When is the best time to book a flight 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 7 November 2025.

The best time to book flights to Buenos Aires is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Buenos Aires?

On average, a flight from Sydney to Buenos Aires takes 19 hours 31 minutes. Flights to Buenos Aires from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Buenos Aires?

The most popular airline flying from Sydney to Buenos Aires is LATAM Airlines.

LATAM Airlines
LATAM Airlines
From $1,868

What are the cheapest airlines that fly to Buenos Aires?

The cheapest airline flying from Sydney to Buenos Aires is LATAM Airlines.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

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 11 November 2025.
Read reviews from past customers who have flown LATAM Airlines, United Airlines, andAmerican Airlines to Argentina. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Crew

8.0

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,872 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Crew

8.0

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
United Airlines
7.4
Good
9,012 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Crew

8.0

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
American Airlines
7.2
Good
11,045 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Crew

8.0

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Air Canada
7.1
Good
10,436 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Crew

8.0

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

FAQs about flying to Buenos Aires

  • Can I find cheaper flights to Buenos Aires if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Buenos Aires on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Buenos Aires?

    Based on reviews from Cheapflights users, LATAM Airlines is rated the highest out of the airlines that fly to Buenos Aires.

  • What is the cheapest airport to fly to in Buenos Aires?

    Buenos Aires Jorge Newbery is currently the cheapest airport to fly to in Buenos Aires. One-way flights to Buenos Aires Jorge Newbery typically cost $44, while return flights cost around $221.

  • Where does the fastest flight to Buenos Aires depart from?

    For those looking to save time traveling to Buenos Aires, Melbourne offers the quickest one-way flight (16 hours 10 minutes).

  • Does Buenos Aires Ministro Pistarini have car hire?

    Yes. Those touching down at Buenos Aires Ministro Pistarini can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Buenos Aires Ministro Pistarini?

    Yes. Buenos Aires Ministro Pistarini has hotels nearby for those requiring accommodations. My pod Capsule Boutique Airport is the closest property to Buenos Aires Ministro Pistarini (0.0 km away from Buenos Aires Ministro Pistarini).

See more FAQs

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Can Cheapflights notify me if prices for flights to Buenos Aires become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Buenos Aires today and book when you’re ready!

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