Direct (nonstop) flights from Buffalo to San Juan
1 airline flys nonstop from Buffalo Niagara International (BUF) to Luis Munoz Marin International (SJU). It's 1,844 miles (2,968 km), about 3h 55m in the air. Operated by JetBlue Airways.
JetBlue Airways
Route data last updated: May 26, 2026
Airlines with non-stop flights
B6
JetBlue Airways
Alternative Routes
Other ways to fly from Buffalo to San Juan with one stop · direct emits 312 kg CO₂ per passenger
Looking for the return flight?
SJU → BUF: Flights from San Juan to BuffaloOther direct flights from Buffalo
Direct flights from San Juan (SJU)
Frequently Asked Questions
How long is the direct flight from Buffalo to San Juan?
A nonstop flight from Buffalo (BUF) to San Juan (SJU) takes approximately 3 hours and 55 minutes. The distance is 1,844 miles (2,968 km).
Which airlines fly nonstop from Buffalo to San Juan?
Just JetBlue Airways.
Is there a nonstop flight from Buffalo to San Juan?
Yes. 1 airline: JetBlue Airways.
How far is Buffalo from San Juan?
The flight distance from Buffalo to San Juan is 1,844 miles (2,968 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Buffalo to San Juan?
At 3h 55m, 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 Buffalo to San Juan?
Roughly 312 kg CO2 per passenger one-way. That's about the same as driving 1,560 km.
Is the return flight from San Juan to Buffalo 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 Buffalo 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 Buffalo Niagara International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.