Cheapest return flights from Newark to San Juan in May from 160€

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

Return flights

14 May - 18 May Frontier Airlines
02 May - 03 May Frontier Airlines
02 May - 09 May Frontier Airlines
12 May - 18 May Frontier Airlines
13 May - 18 May Frontier Airlines
11 May - 15 May Frontier Airlines
07 May - 10 May Frontier Airlines
11 May - 17 May Frontier Airlines
10 May - 17 May Frontier Airlines
08 May - 12 May Frontier Airlines
13 May - 03 Jun Spirit Airlines
13 May - 02 Jun Spirit Airlines
16 May - 03 Jun Spirit Airlines
16 May - 02 Jun Spirit Airlines
19 May - 03 Jun Spirit Airlines
19 May - 02 Jun Spirit Airlines
19 May - 03 Jun United direct
18 May - 03 Jun Spirit Airlines
18 May - 02 Jun Spirit Airlines
17 May - 03 Jun Spirit Airlines

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

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