Cheapest return flights from Newark to San Juan in May from $137

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

03 May - 04 May Frontier Airlines direct
03 May - 07 May Frontier Airlines direct
05 May - 08 May Frontier Airlines direct
04 May - 09 May Frontier Airlines direct
12 May - 16 May Frontier Airlines direct
03 May - 08 May Frontier Airlines direct
04 May - 08 May Frontier Airlines direct
06 May - 08 May Frontier Airlines direct
06 May - 10 May Frontier Airlines direct
07 May - 07 May Frontier Airlines direct
13 May - 06 Jun Frontier Airlines direct
27 May - 17 Jun Frontier Airlines direct
31 May - 12 Jun Frontier Airlines direct
27 May - 06 Jun Frontier Airlines direct
27 May - 12 Jun Frontier Airlines direct
28 May - 06 Jun Frontier Airlines direct
14 May - 27 Jun Frontier Airlines direct
16 May - 27 Jun Frontier Airlines direct
31 May - 05 Jun Frontier Airlines direct
31 May - 04 Jun Frontier Airlines direct

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

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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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