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

Return flights

17 Mar - 27 Mar	jetBlue	direct
15 Mar - 22 Mar	jetBlue	direct
01 Mar - 06 Apr	jetBlue	direct
04 Mar - 10 Mar	United	direct
02 Mar - 03 Mar	Spirit Airlines
02 Mar - 02 Mar	Spirit Airlines
01 Mar - 03 Mar	Spirit Airlines
01 Mar - 02 Mar	Spirit Airlines
04 Mar - 13 Mar	United	direct
31 Mar - 09 Apr	jetBlue
06 Mar - 10 Mar	United
16 Mar - 21 Mar	Delta	direct
31 Mar - 09 Apr	Delta	direct
30 Mar - 13 Apr	jetBlue
30 Mar - 13 Apr	Delta	direct
30 Mar - 06 Apr	United
31 Mar - 04 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