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Cheapest one-way flights from Buenos Aires (AEP) to San Jose (SJO), September

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Dates, airline, and price
Dates	Airline	Price
01 Sep	JetSmart
14 Sep	Avianca
25 Sep	Avianca
02 Sep	Avianca
07 Sep	Avianca
18 Sep	LATAM Airlines Group
27 Sep	Avianca
05 Sep	Avianca

deals for return flights from Buenos Aires to San Jose in September.

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Updated Jul 17, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Buenos Aires (AEP) to San Jose (SJO), September

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