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

Return flights

31 Mar - 04 Apr	jetBlue	direct
16 Mar - 23 Mar	jetBlue	direct
16 Mar - 21 Mar	jetBlue	direct
15 Mar - 21 Mar	jetBlue	direct
02 Mar - 07 Mar	jetBlue	direct
16 Mar - 22 Mar	jetBlue	direct
14 Mar - 21 Mar	jetBlue	direct
15 Mar - 22 Mar	jetBlue	direct
18 Mar - 25 Mar	jetBlue	direct
27 Mar - 31 Mar	Delta	direct
05 Mar - 12 Mar	Delta	direct
28 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 149€

Return flights