Cheap flights from Buenos Aires to Sydney from $1,823
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 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites 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.Find the cheapest flights from Buenos Aires to Sydney
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
LATAM Airlines flights from Buenos Aires to Sydney
Our best LATAM Airlines deals on Buenos Aires to Sydney flight tickets
United Airlines flights from Buenos Aires to Sydney
Our best United Airlines deals on Buenos Aires to Sydney flight tickets
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 June is, on average, the cheapest month to fly to Sydney from Buenos Aires, with most prices found around $2,747. If you aren’t able to travel to Sydney during the month of June, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $2,800.
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 $2,799. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $4,078.
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 at midday. momondo users have found flights departing from Buenos Aires to Sydney at midday for as low as $0. 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 $4,078 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 2 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $3,880 when searching 2 weeks out.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 $3,310 on momondo.
When to book flights from Buenos Aires to Sydney
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
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 19h 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?
As of March 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buenos Aires to Sydney is LATAM Airlines (100% of total bookings).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $2,684 | Free cancellation | Rating 7.5 1,749 reviews |
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy 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.