Outbound
3 hours 45 minutes
Return
4 hours 0 minutes
Daily Flights
6+
Airlines
2
Timezone note
San Juan is 1 hour ahead of Boston in winter (Atlantic vs Eastern Time), but aligned in summer when Boston observes daylight saving time.
About this route
Boston to San Juan flights
Boston to San Juan connects New England with the Caribbean, one of JetBlue's signature routes from its BOS focus city. The large Puerto Rican diaspora in the Boston metro drives steady year-round demand beyond typical vacation traffic. Spirit adds budget competition. No passport is needed since Puerto Rico is a U.S. territory, making it the easiest Caribbean escape for Boston residents.
San Juan's Luis Muñoz Marín Airport can experience tropical weather delays, especially during hurricane season from June through November. Boston's winter weather adds departure risk. The seasonal timezone shift — 1 hour ahead in winter, aligned in summer — catches travelers off guard. Landing alerts handle the timezone math and tropical weather uncertainty automatically.
Airlines
Airlines on this route
Airports on this route
Track a specific flight on this route
How it works
Track Boston to San Juan.
Enter the flight number
Type the flight number for Boston to San Juan.
Add your phone number
Enter the mobile number where you want to receive the alert.
Get a text when they land
We track the flight and text you when they touch down in San Juan.
FAQ
Frequently asked questions.
How long is the Boston to San Juan flight?
About 3 hours 45 minutes southbound and 4 hours on the return.
Do I need a passport to fly to Puerto Rico?
No, Puerto Rico is a U.S. territory. A valid government-issued ID is sufficient for travel.
Which airlines fly BOS to SJU?
JetBlue and Spirit both offer nonstop service. JetBlue has the most frequencies.
Know when they land in San Juan
Avoid waiting at arrivals. Get a text the moment their Boston to San Juan flight touches down.
Get Landing AlertRelated routes
Founder, SkyText
Aviation lover who built SkyText because families deserve to know when someone lands safely. Has tracked more flights than he'd like to admit.