Friday flights are found to be more expensive to fly from Boston to San Juan. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Juan.
Travelers have found it’s best to book a flight 41 days in advance to save up to 11% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 41 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to San Juan 1-2 weeks in advance for as low as $380, or $415 for flights within the next 24 hours.
Flights from Boston to San Juan lean towards being more expensive in December. Prices are generally better when you fly from Boston to San Juan in September, with the cheapest ticket starting at $194.
|Morning 6 AM to noon||57% of BOS to SJU departures|
|Afternoon Noon to 6 PM||21% of BOS to SJU departures|
|Evening 6 PM to midnight||21% of BOS to SJU departures|
|Early morning Midnight to 6 AM||1% of BOS to SJU departures|