AirHint found the following cheapest return flights from San Jose (SJO) to Buenos Aires (AEP) in November 2025 (see full year).

Return flights

06 Nov - 10 Nov	LATAM Airlines Group
03 Nov - 26 Nov	LATAM Airlines Group
01 Nov - 04 Nov	GOL Linhas Aéreas
17 Nov - 27 Nov	Avianca
17 Nov - 25 Nov	Avianca
18 Nov - 27 Nov	Avianca
22 Nov - 28 Nov	GOL Linhas Aéreas
19 Nov - 23 Nov	Avianca
03 Nov - 09 Nov	LATAM Airlines Group
09 Nov - 12 Nov	Avianca
26 Nov - 01 Dec	LATAM Airlines Group
27 Nov - 04 Dec	GOL Linhas Aéreas
14 Nov - 04 Dec	Avianca
26 Nov - 03 Dec	Avianca
03 Nov - 11 Dec	Avianca
19 Nov - 12 Dec	Avianca
28 Nov - 04 Dec	Avianca
24 Nov - 02 Dec	Avianca
26 Nov - 02 Dec	Avianca
19 Nov - 17 Dec	Copa

Also check the deals for one-way flights from San Jose to Buenos Aires in November.

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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Cheapest return flights from San Jose to Buenos Aires in November from 400€

Return flights