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Cheap Flights from Sydney to Buenos Aires - All Airports

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MU,NZ Return flights from $1,366

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,366

MU,NZ,QF Return flights from $1,372

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,372

MU,QF Return flights from $1,396

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,396

JQ,MU,NZ Return flights from $1,457

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,457

JQ,MU Return flights from $1,475

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,475

JQ,MU,QF Return flights from $1,483

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,483

LA Return flights from $1,547

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,547

Dep.art Mon 02 NovRet.urn Sat 21 Nov^$1,579

LAShow more Flights

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,663

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$1,863

JQ,LA Return flights from $1,665

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,665

Dep.art Mon 02 NovRet.urn Sat 21 Nov^$1,676

JQ,LAShow more Flights

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,739

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$1,928

AA Return flights from $1,667

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,667

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$4,231

LA,QF Return flights from $1,685

Dep.art Mon 02 NovRet.urn Sat 21 Nov^$1,685

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,701

LA,QFShow more Flights

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$1,726

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$1,987

H2,LA Return flights from $1,787

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,787

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$2,394

H2,LAShow more Flights

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$2,602

H2,JA,LA Return flights from $1,818

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,818

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$2,271

JA,LA Return flights from $1,839

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,839

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$2,260

JA,LAShow more Flights

Dep.art Mon 02 NovRet.urn Sat 21 Nov^$2,485

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$2,596

AR,H2,LA Return flights from $1,839

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$1,839

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$2,559

KL,LA,QF Return flights from $1,840

Dep.art Mon 02 NovRet.urn Sat 21 Nov^$1,840

Dep.art Tue 13 OctRet.urn Tue 27 Oct^$2,022

KL,LA,QFShow more Flights

Dep.art Mon 01 MarRet.urn Tue 23 Mar^$2,250

Dep.art Wed 15 JulRet.urn Thu 23 Jul^$2,432

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.

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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.

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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.

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