Direct (nonstop) flights from San Juan to Buffalo
1 airline flys nonstop from Luis Munoz Marin International (SJU) to Buffalo Niagara International (BUF). It's 1,844 miles (2,968 km), about 4h 49m 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 San Juan to Buffalo with one stop · direct emits 312 kg CO₂ per passenger
Looking for the return flight?
BUF → SJU: Flights from Buffalo to San JuanOther direct flights from San Juan
Direct flights from Buffalo (BUF)
Frequently Asked Questions
How long is the direct flight from San Juan to Buffalo?
A nonstop flight from San Juan (SJU) to Buffalo (BUF) takes approximately 4 hours and 49 minutes. The distance is 1,844 miles (2,968 km).
Which airlines fly nonstop from San Juan to Buffalo?
Just JetBlue Airways.
Is there a nonstop flight from San Juan to Buffalo?
Yes. 1 airline: JetBlue Airways.
How far is San Juan from Buffalo?
The flight distance from San Juan to Buffalo is 1,844 miles (2,968 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from San Juan to Buffalo?
At 4h 49m, 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 Puerto Rico to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from San Juan to Buffalo?
Roughly 312 kg CO2 per passenger one-way. That's about the same as driving 1,560 km.
Is the return flight from Buffalo to San Juan 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 San Juan to Buffalo?
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 Luis Munoz Marin International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.