Cheapest return flights from Newark to San Juan in May from $147

Best time to book flights for Newark (EWR) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU) in May 2025 (see full year).

Return flights

20 May - 29 May Frontier Airlines
21 May - 29 May Frontier Airlines
26 May - 29 May Frontier Airlines
19 May - 29 May Frontier Airlines
24 May - 29 May Frontier Airlines
25 May - 29 May Frontier Airlines
17 May - 22 May Frontier Airlines direct
24 May - 29 May Frontier Airlines direct
25 May - 29 May Frontier Airlines direct
27 May - 11 Jun Frontier Airlines direct
17 May - 20 May Frontier Airlines direct
30 May - 03 Jun Frontier Airlines direct
27 May - 03 Jun Frontier Airlines direct
29 May - 03 Jun Frontier Airlines direct
30 May - 04 Jun Frontier Airlines direct
29 May - 02 Jun Frontier Airlines direct
30 May - 02 Jun Frontier Airlines direct
27 May - 04 Jun Frontier Airlines direct
30 May - 05 Jun Frontier Airlines direct
29 May - 06 Jun Frontier Airlines

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

Skyscanner

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan