Cheapest one-way flights from San Juan to Newark in December from $37

AirHint found the following cheapest one-way flights from San Juan (SJU) to Newark (EWR) in December 2025 (see full year).

One-Way flights

19 Dec Frontier Airlines direct
17 Dec Frontier Airlines direct
03 Dec Frontier Airlines direct
08 Dec Frontier Airlines direct
10 Dec Frontier Airlines direct
20 Dec Frontier Airlines direct
12 Dec Frontier Airlines direct
11 Dec jetBlue direct
09 Dec Spirit Airlines
16 Dec Spirit Airlines

Also check the deals for return flights from San Juan to Newark in December.

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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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