Cheapest one-way flights from New York to San Juan in August from $74

AirHint found the following cheapest one-way flights from New York (JFK) to San Juan (SJU) in August 2025 (see full year).

One-Way flights

31 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
17 Aug Delta direct
10 Aug jetBlue direct
19 Aug Frontier Airlines direct
25 Aug Frontier Airlines direct
11 Aug Frontier Airlines direct
21 Aug Frontier Airlines
23 Aug Frontier Airlines
16 Aug Frontier Airlines

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

Skyscanner

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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