Cheapest one-way flights from Newark to San Juan in April from $91

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

One-Way flights

21 Apr Frontier Airlines
25 Apr Frontier Airlines
28 Apr Frontier Airlines
17 Apr Frontier Airlines
08 Apr Frontier Airlines
27 Apr Frontier Airlines
22 Apr Frontier Airlines
10 Apr Frontier Airlines
12 Apr Frontier Airlines direct
11 Apr Frontier Airlines direct

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

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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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