Cheapest return flights from San Jose to Buenos Aires in May from 402€

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

Return flights

21 May - 24 May Avianca
02 May - 10 May Avianca
19 May - 24 May Avianca
11 May - 19 May Avianca
08 May - 17 May Avianca
13 May - 26 May Avianca
04 May - 15 May Avianca
01 May - 05 May Avianca
09 May - 26 May Avianca
02 May - 15 May Avianca
29 May - 07 Jun Avianca
27 May - 03 Jun Avianca
27 May - 27 Jun Copa
28 May - 27 Jun Copa
29 May - 27 Jun Copa
30 May - 14 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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