AirHint found the following cheapest return flights from New York (JFK) to San Jose (SJO) in March 2026 (see full year).

Return flights

17 Mar - 24 Mar	Avianca
04 Mar - 08 Mar	Avianca
03 Mar - 08 Mar	Avianca
07 Mar - 10 Mar	American Airlines
09 Mar - 20 Mar	Avianca
16 Mar - 20 Mar	Avianca
07 Mar - 11 Mar	American Airlines
24 Mar - 08 Apr	Avianca
18 Mar - 23 Mar	Avianca
19 Mar - 23 Mar	Avianca
19 Mar - 26 Mar	Avianca
25 Mar - 01 Apr	Copa
28 Mar - 04 Apr	Avianca
22 Mar - 05 Apr	Avianca
28 Mar - 05 Apr	Copa
30 Mar - 12 Apr	Avianca
31 Mar - 03 Apr	Copa
31 Mar - 05 Apr	Copa

Also check the deals for one-way flights from New York 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 New York to San Jose in March from $272

Return flights