Cheapest one-way flights from Newark to San Juan in May from $78

AirHint found the following cheapest one-way flights from Newark (EWR) to San Juan (SJU) in May 2026 (see full year).

One-Way flights

08 May Frontier Airlines
16 May Frontier Airlines
13 May Frontier Airlines
05 May Frontier Airlines
06 May Frontier Airlines
01 May Frontier Airlines
12 May Frontier Airlines
03 May Frontier Airlines
04 May Frontier Airlines
19 May Frontier Airlines

Also check the deals for return flights from Newark to San Juan in May.

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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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