Direct (nonstop) flights from Boston to San Juan
4 airlines fly nonstop from Boston Logan International Airport (BOS) to Luis Munoz Marin International (SJU). It's 1,675 miles (2,695 km), about 4h 2m in the air. Operated by JetBlue Airways, Delta Air Lines, Frontier Airlines and others.
JetBlue Airways
Delta Air Lines
Frontier Airlines
Spirit Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
B6
JetBlue Airways
DL
Delta Air Lines
F9
Frontier Airlines
NK
Spirit Airlines
Alternative Routes
Other ways to fly from Boston to San Juan with one stop · direct emits 283 kg CO₂ per passenger
Looking for the return flight?
SJU → BOS: Flights from San Juan to BostonOther direct flights from Boston
Direct flights from San Juan (SJU)
Frequently Asked Questions
How long is the direct flight from Boston to San Juan?
A nonstop flight from Boston (BOS) to San Juan (SJU) takes approximately 4 hours and 2 minutes. The distance is 1,675 miles (2,695 km).
Which airlines fly nonstop from Boston to San Juan?
4 airlines: JetBlue Airways, Delta Air Lines, Frontier Airlines, Spirit Airlines.
Is there a nonstop flight from Boston to San Juan?
Yes. 4 airlines: JetBlue Airways, Delta Air Lines, Frontier Airlines, Spirit Airlines.
How far is Boston from San Juan?
The flight distance from Boston to San Juan is 1,675 miles (2,695 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Boston to San Juan?
At 4h 2m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from USA to Puerto Rico?
Depends on your passport. Check with the Puerto Rico embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Boston to San Juan?
Roughly 283 kg CO2 per passenger one-way. That's about the same as driving 1,415 km.
Is the return flight from San Juan to Boston also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Boston to San Juan?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Boston Logan International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.