Cheapest one-way flights from Newark to San Juan in December from 93€

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

One-Way flights

06 Dec Spirit Airlines
31 Dec jetBlue direct
08 Dec Spirit Airlines
02 Dec United direct
03 Dec Spirit Airlines
15 Dec Frontier Airlines
01 Dec Spirit Airlines
17 Dec Spirit Airlines
28 Dec jetBlue direct
13 Dec Frontier Airlines direct

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

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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