What’s the cost of a flight from Boston to San Juan?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Boston and San Juan.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports are most convenient between Boston and San Juan?

Whether it’s cost or connection time, the right airport combination can make a difference.

• Airports in Boston: Only Boston - Logan is currently active.
• Airports in San Juan: Isla Grande is also worth considering.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Explore flights from Boston to San Juan your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Puerto Rico? Check out: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.