AirHint found the following cheapest return flights from New York (NYC) to San Juan (SJU) in March 2026 (see full year).

Return flights

05 Mar - 13 Mar	jetBlue	direct
25 Mar - 02 Apr	jetBlue	direct
06 Mar - 13 Mar	jetBlue	direct
17 Mar - 27 Mar	Delta	direct
03 Mar - 19 Mar	Delta	direct
20 Mar - 31 Mar	Delta
16 Mar - 20 Mar	United	direct
19 Mar - 24 Mar	Delta	direct
14 Mar - 19 Mar	Delta	direct
20 Mar - 31 Mar	Delta	direct
08 Mar - 16 Mar	Delta	direct
27 Mar - 03 Apr	Delta	direct
29 Mar - 05 Apr	Delta	direct
26 Mar - 05 Apr	Delta	direct

Also check the deals for one-way flights from New York to San Juan 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 Juan in March from 145€

Return flights