Cheapest one-way flights from New York to San Juan in August from $109

AirHint found the following cheapest one-way flights from New York (JFK) to San Juan (SJU) in August 2026 (see full year).

One-Way flights

26 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
25 Aug Frontier Airlines direct
30 Aug Frontier Airlines direct
31 Aug Frontier Airlines direct
27 Aug Frontier Airlines direct
28 Aug Frontier Airlines direct
09 Aug Frontier Airlines direct
02 Aug Frontier Airlines direct
21 Aug Delta direct

Also check the deals for return flights from New York to San Juan in August.

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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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