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Cheapest one-way flights from Newark (EWR) to San Juan (SJU), September

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Dates, airline, and price
Dates	Airline	Price
26 Sep	American Airlines
22 Sep	Frontier Airlines
01 Sep	jetBlue Direct Flight
05 Sep	United Direct Flight
07 Sep	United Direct Flight
12 Sep	Frontier Airlines
14 Sep	Frontier Airlines
13 Sep	jetBlue Direct Flight
23 Sep	jetBlue Direct Flight
21 Sep	jetBlue Direct Flight

deals for return flights from Newark to San Juan in September.

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Updated Jul 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Newark (EWR) to San Juan (SJU), September

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