Cheapest return EWR–SJU flights, May

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

Return flights

31 May - 04 Jun United direct
28 May - 04 Jun United direct
28 May - 18 Jun United direct
27 May - 03 Jun United direct
18 May - 03 Jun jetBlue
19 May - 03 Jun United
29 May - 18 Jun United direct
29 May - 04 Jun United direct
30 May - 04 Jun United direct
28 May - 03 Jun United direct
26 May - 30 May United direct
26 May - 27 May United
25 May - 27 May United
18 May - 27 May United
17 May - 27 May United
12 May - 13 May Frontier Airlines
25 May - 29 May United direct
18 May - 21 May United
24 May - 28 May United direct
17 May - 30 May United direct

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

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