Cheapest return flights from Newark to San Juan in June from $96

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

02 Jun - 12 Jun Frontier Airlines direct
02 Jun - 07 Jun Frontier Airlines direct
07 Jun - 12 Jun Frontier Airlines direct
01 Jun - 07 Jun Frontier Airlines direct
14 Jun - 21 Jun Frontier Airlines direct
10 Jun - 13 Jun Frontier Airlines direct
04 Jun - 12 Jun Frontier Airlines direct
14 Jun - 17 Jun Frontier Airlines direct
03 Jun - 21 Jun Frontier Airlines direct
16 Jun - 21 Jun Frontier Airlines direct
29 Jun - 04 Jul Frontier Airlines direct
22 Jun - 25 Jul Frontier Airlines direct
17 Jun - 08 Jul Frontier Airlines direct
29 Jun - 08 Jul Frontier Airlines direct
29 Jun - 03 Jul Frontier Airlines direct
18 Jun - 09 Jul Frontier Airlines direct
09 Jun - 09 Jul Frontier Airlines direct
13 Jun - 11 Jul Frontier Airlines direct
03 Jun - 06 Jul Frontier Airlines direct
24 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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