Cheapest return flights from San Jose to Buenos Aires in May from $452

AirHint found the following cheapest return flights from San Jose (SJO) to Buenos Aires (EZE) in May 2026 (see full year).

Return flights

19 May - 31 May Avianca
08 May - 15 May Avianca
08 May - 19 May Avianca
13 May - 20 May Avianca
03 May - 10 May Avianca
02 May - 12 May Avianca
20 May - 27 May Avianca
21 May - 29 May Avianca
01 May - 10 May Avianca
24 May - 30 May Avianca
28 May - 12 Jun Avianca
22 May - 05 Jun Copa

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

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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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