Cheapest return flights from Newark to San Juan in July from 231€

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 July 2025 (see full year).

Return flights

01 Jul - 08 Jul Frontier Airlines direct
31 Jul - 07 Aug Frontier Airlines direct
24 Jul - 30 Jul Frontier Airlines direct
25 Jul - 30 Jul Frontier Airlines direct
14 Jul - 18 Jul Frontier Airlines direct
01 Jul - 18 Jul United direct
18 Jul - 05 Aug Frontier Airlines direct
21 Jul - 25 Jul Frontier Airlines direct
05 Jul - 23 Jul Frontier Airlines direct
06 Jul - 15 Jul Frontier Airlines direct
12 Jul - 17 Jul Frontier Airlines direct
20 Jul - 23 Jul Frontier Airlines direct
31 Jul - 04 Aug Frontier Airlines direct
30 Jul - 03 Aug Frontier Airlines direct
02 Jul - 10 Aug Frontier Airlines direct

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

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.

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