AirHint found the following cheapest return flights from Sao Paulo (GRU) to San Jose (SJO) in March 2026 (see full year).

Return flights

03 Mar - 08 Mar	LATAM Airlines Group
02 Mar - 09 Mar	Avianca
01 Mar - 08 Mar	Avianca
01 Mar - 10 Mar	Avianca
07 Mar - 15 Mar	Avianca
07 Mar - 18 Mar	Avianca
25 Mar - 31 Mar	Avianca
16 Mar - 24 Mar	Avianca
12 Mar - 16 Mar	Avianca
09 Mar - 18 Mar	Avianca
26 Mar - 02 Apr	Copa
26 Mar - 07 Apr	Avianca
27 Mar - 04 Apr	Copa
21 Mar - 05 Apr	Copa
27 Mar - 05 Apr	Copa
28 Mar - 10 Apr	Avianca
28 Mar - 04 Apr	Avianca

Also check the deals for one-way flights from Sao Paulo to San Jose 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 Sao Paulo to San Jose in March from 345€

Return flights