Cheapest return flights from Newark to San Juan in June from $151

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

15 Jun - 19 Jun Frontier Airlines direct
02 Jun - 07 Jun Frontier Airlines direct
08 Jun - 12 Jun Frontier Airlines direct
08 Jun - 11 Jun Frontier Airlines direct
07 Jun - 11 Jun Frontier Airlines direct
11 Jun - 13 Jun Frontier Airlines direct
02 Jun - 09 Jun Frontier Airlines direct
01 Jun - 10 Jun Frontier Airlines direct
09 Jun - 12 Jun Frontier Airlines direct
09 Jun - 11 Jun Frontier Airlines direct
17 Jun - 09 Jul Frontier Airlines direct
16 Jun - 02 Jul Frontier Airlines direct
17 Jun - 02 Jul Frontier Airlines direct
28 Jun - 08 Jul Frontier Airlines direct
29 Jun - 04 Jul Frontier Airlines direct
28 Jun - 02 Jul Frontier Airlines direct
30 Jun - 04 Jul Frontier Airlines direct
07 Jun - 01 Jul Frontier Airlines direct
25 Jun - 02 Jul Frontier Airlines direct
22 Jun - 01 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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