AirHint found the following cheapest one-way flights from New York (LGA) to San Jose (SJO) in December 2025 (see full year).
One-Way flights
| 31 Dec | United | ||
| 03 Dec | Delta | ||
| 04 Dec | Southwest Airlines | ||
| 28 Dec | United | ||
| 17 Dec | Southwest Airlines | ||
| 26 Dec | Frontier Airlines | ||
| 20 Dec | Air Canada | ||
| 27 Dec | Avianca |
Also check the deals for return flights from New York to San Jose in December.
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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