Cheapest return flights from Sydney to Buenos Aires in April from $1485

Best time to book flights for Sydney (SYD) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Sydney (SYD) to Buenos Aires (AEP) in April 2025 (see full year).

Return flights

22 Apr - 20 May LATAM Airlines Group
29 Apr - 19 May LATAM Airlines Group
24 Apr - 29 May LATAM Airlines Group
21 Apr - 05 May LATAM Airlines Group
17 Apr - 09 May LATAM Airlines Group
07 Apr - 21 Apr LATAM Airlines Group
16 Apr - 28 Apr LATAM Airlines Group
26 Apr - 03 May LATAM Airlines Group
06 Apr - 13 Apr LATAM Airlines Group
17 Apr - 24 Apr LATAM Airlines Group
20 Apr - 27 Apr LATAM Airlines Group
15 Apr - 22 Apr LATAM Airlines Group
12 Apr - 10 May LATAM Airlines Group
18 Apr - 26 Apr LATAM Airlines Group
03 Apr - 02 May LATAM Airlines Group
17 Apr - 27 Apr LATAM Airlines Group
15 Apr - 29 Apr LATAM Airlines Group
04 Apr - 22 Apr LATAM Airlines Group
12 Apr - 03 May LATAM Airlines Group
16 Apr - 05 May Qantas

Also check the deals for one-way flights from Sydney to Buenos Aires in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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