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

Return flights

11 Mar - 20 Mar	Avianca
11 Mar - 16 Mar	Avianca
11 Mar - 18 Mar	Avianca
11 Mar - 22 Mar	Avianca
11 Mar - 25 Mar	Avianca
17 Mar - 21 Apr	Avianca
17 Mar - 25 Mar	Avianca
30 Mar - 13 Apr	Avianca
18 Mar - 01 Apr	Avianca
17 Mar - 22 Mar	Avianca
04 Mar - 25 Mar	Avianca
08 Mar - 15 Mar	Avianca
24 Mar - 31 Mar	Avianca
24 Mar - 01 Apr	Avianca
25 Mar - 11 Apr	Avianca
25 Mar - 03 Apr	Avianca
17 Mar - 01 Apr	Avianca
19 Mar - 09 Apr	Avianca
27 Mar - 02 Apr	Avianca
27 Mar - 03 Apr	Avianca

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

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 March from 562CAD

Return flights