Cheapest return flights from Newark to San Juan in December from 132€

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

Return flights

09 Dec - 17 Dec Delta
09 Dec - 17 Dec United direct
09 Dec - 13 Dec United direct
10 Dec - 13 Dec Frontier Airlines
11 Dec - 16 Dec Frontier Airlines
06 Dec - 10 Dec Spirit Airlines
06 Dec - 12 Dec Spirit Airlines
06 Dec - 08 Dec Spirit Airlines
03 Dec - 08 Dec Frontier Airlines
11 Dec - 17 Dec Frontier Airlines
30 Dec - 17 Jan Spirit Airlines
30 Dec - 16 Jan Spirit Airlines
30 Dec - 15 Jan Spirit Airlines
30 Dec - 18 Jan Spirit Airlines
29 Dec - 17 Jan Spirit Airlines
29 Dec - 16 Jan Spirit Airlines
29 Dec - 15 Jan Spirit Airlines
30 Dec - 19 Jan Spirit Airlines
30 Dec - 10 Jan Spirit Airlines
28 Dec - 17 Jan Spirit Airlines

Also check the deals for one-way 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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