Cheapest return flights from Newark to San Juan in June from $155

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 June 2025 (see full year).

Return flights

08 Jun - 12 Jun Frontier Airlines direct
02 Jun - 12 Jun Frontier Airlines direct
03 Jun - 10 Jun Frontier Airlines direct
04 Jun - 18 Jun Frontier Airlines direct
01 Jun - 12 Jun Frontier Airlines direct
03 Jun - 18 Jun Frontier Airlines direct
08 Jun - 13 Jun Frontier Airlines direct
04 Jun - 11 Jun Frontier Airlines direct
03 Jun - 05 Jun Frontier Airlines direct
04 Jun - 14 Jun Frontier Airlines direct
22 Jun - 01 Jul Frontier Airlines direct
23 Jun - 01 Jul Frontier Airlines direct
24 Jun - 01 Jul Frontier Airlines direct
22 Jun - 02 Jul Frontier Airlines direct
25 Jun - 01 Jul Frontier Airlines direct
25 Jun - 02 Jul Frontier Airlines direct
29 Jun - 01 Jul Frontier Airlines direct
27 Jun - 01 Jul Frontier Airlines direct
27 Jun - 03 Jul Frontier Airlines direct
28 Jun - 08 Jul Frontier Airlines direct

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

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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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