Cheapest return flights from Newark to San Juan in April from $188

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

Return flights

22 Apr - 29 Apr Frontier Airlines
14 Apr - 18 Apr Frontier Airlines
25 Apr - 28 Apr Frontier Airlines
15 Apr - 22 Apr Frontier Airlines
25 Apr - 30 Apr Frontier Airlines
26 Apr - 29 Apr Frontier Airlines
14 Apr - 16 Apr Frontier Airlines
26 Apr - 28 Apr Frontier Airlines
17 Apr - 01 May Frontier Airlines
25 Apr - 01 May Frontier Airlines
15 Apr - 02 May Frontier Airlines
10 Apr - 08 May Frontier Airlines
14 Apr - 22 Apr Frontier Airlines
27 Apr - 30 Apr Frontier Airlines
28 Apr - 02 May Frontier Airlines
26 Apr - 02 May Frontier Airlines
27 Apr - 27 May Frontier Airlines
29 Apr - 06 May Spirit Airlines
28 Apr - 31 May Frontier Airlines
24 Apr - 01 May Frontier Airlines

Also check the deals for one-way flights from Newark to San Juan in April.

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