AirHint found the following cheapest one-way flights from Boston (BOS) to San Juan (SJU) in December 2026 (see full year).
One-Way flights
| 26 Dec | jetBlue | ||
| 29 Dec | American Airlines | ||
| 29 Dec | Delta | direct | |
| 26 Dec | Delta | direct |
Also check the deals for return flights from Boston to San Juan 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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