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Cheap Flights from Sydney to Buenos Aires - All Airports

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LA Return flights from $1,547
Dep. Tue 13 OctRet. Tue 27 Oct$1,547
Dep. Mon 02 NovRet. Sat 21 Nov$1,579
LAShow more Flights
Dep. Wed 15 JulRet. Thu 23 Jul$1,863
JQ,LA Return flights from $1,665
Dep. Tue 13 OctRet. Tue 27 Oct$1,665
Dep. Mon 02 NovRet. Sat 21 Nov$1,676
JQ,LAShow more Flights
Dep. Wed 15 JulRet. Thu 23 Jul$1,928
LA,QF Return flights from $1,685
Dep. Mon 02 NovRet. Sat 21 Nov$1,685
Dep. Tue 13 OctRet. Tue 27 Oct$1,701
LA,QFShow more Flights
Dep. Wed 15 JulRet. Thu 23 Jul$1,987
H2,LA Return flights from $1,787
Dep. Tue 13 OctRet. Tue 27 Oct$1,787
Dep. Wed 15 JulRet. Thu 23 Jul$2,394
H2,JA,LA Return flights from $1,818
Dep. Tue 13 OctRet. Tue 27 Oct$1,818
Dep. Wed 15 JulRet. Thu 23 Jul$2,271
JA,LA Return flights from $1,839
Dep. Tue 13 OctRet. Tue 27 Oct$1,839
Dep. Wed 15 JulRet. Thu 23 Jul$2,260
JA,LAShow more Flights
Dep. Mon 02 NovRet. Sat 21 Nov$2,485
AR,H2,LA Return flights from $1,839
Dep. Tue 13 OctRet. Tue 27 Oct$1,839
Dep. Wed 15 JulRet. Thu 23 Jul$2,559
KL,LA,QF Return flights from $1,840
Dep. Mon 02 NovRet. Sat 21 Nov$1,840
Dep. Tue 13 OctRet. Tue 27 Oct$2,022
KL,LA,QFShow more Flights
Dep. Wed 15 JulRet. Thu 23 Jul$2,432
AR,LA Return flights from $1,890
Dep. Tue 13 OctRet. Tue 27 Oct$1,890
Dep. Wed 15 JulRet. Thu 23 Jul$2,610
JQ,LA,QF Return flights from $1,901
Dep. Mon 02 NovRet. Sat 21 Nov$1,901
Dep. Wed 15 JulRet. Thu 23 Jul$2,373
JQ,LA,QFShow more Flights
Dep. Tue 13 OctRet. Tue 27 Oct$7,293
H2,LA,QF Return flights from $1,933
Dep. Tue 13 OctRet. Tue 27 Oct$1,933
Dep. Wed 15 JulRet. Thu 23 Jul$2,380
H2,JA,LA,QF Return flights from $1,970
Dep. Tue 13 OctRet. Tue 27 Oct$1,970
Dep. Wed 15 JulRet. Thu 23 Jul$2,257
H2,JA,LA,QFShow more Flights
Dep. Mon 02 NovRet. Sat 21 Nov$2,942
AR,H2,JA,LA Return flights from $1,980
Dep. Tue 13 OctRet. Tue 27 Oct$1,980
Dep. Wed 15 JulRet. Thu 23 Jul$2,727
H2,QF Return flights from $1,991
Dep. Tue 13 OctRet. Tue 27 Oct$1,991
Dep. Wed 15 JulRet. Thu 23 Jul$2,793
JA,LA,QF Return flights from $2,005
Dep. Tue 13 OctRet. Tue 27 Oct$2,005
Dep. Wed 15 JulRet. Thu 23 Jul$2,247
JA,LA,QFShow more Flights
Dep. Mon 02 NovRet. Sat 21 Nov$2,596

Prices are from searches made in the last 24 hours and current prices may differ.

Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Buenos Aires - All Airports from United States (USA) and flights to Argentina. Maybe a different destination? Here are all the flights from Sydney


Cheapest Time of Year to Fly from Sydney to Buenos Aires - All Airports

Return fares from Sydney to Buenos Aires - All Airports by month, based on the cheapest return airfares found for each month.

Aug 2026
$1,451
Sep 2026
$1,572
Nov 2026
$2,838
Mar 2027
$1,765
Apr 2027
$2,305

The cheapest month to fly to Buenos Aires - All Airports is August 2026, with return fares from $1,451 — 49% cheaper than the most expensive month (November 2026, from $2,838).

When Should You Fly to Buenos Aires - All Airports?

Based on the fares we've tracked, August is typically the cheapest month to fly to Buenos Aires - All Airports, with return fares from $1,451. November is the most expensive month, with the cheapest return fares around $2,838.

Across the year, return fares to Buenos Aires - All Airports average around $1,986. If you can travel in the off-peak months of August, September and March, you'll generally pay up to 27% less than the yearly average.


Cheapest Sydney to Buenos Aires - All Airports Return Prices

These are the cheapest prices for Sydney to Buenos Aires - All Airports return airfares.

August 2026
$1,451
September 2026
$1,572
November 2026
$2,838
March 2027
$1,765
April 2027
$2,305

Average Sydney to Buenos Aires - All Airports Return Prices

These are the average prices for Sydney to Buenos Aires - All Airports return airfares.

August 2026
$2,692
September 2026
$2,588
October 2026
$2,548
November 2026
$2,525
January 2027
$3,157
February 2027
$2,652
March 2027
$2,575
April 2027
$2,691
May 2027
$2,831

How I Want That Flight can help you

What's the benefit of using I Want That Flight for my Sydney to Buenos Aires - All Airports flight?

Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.

Can you sort me out with direct flights from Sydney to Buenos Aires - All Airports?

100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.

How does I Want That Flight find me the best Sydney to Buenos Aires - All Airports flights?

Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.

I'm still in the planning phase. Can you ping me if Sydney to Buenos Aires - All Airports fares drop?

No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.

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