JetBlue
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United States
Buffalo Niagara International Airport
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Puerto Rico
Luis Muñoz Marín International Airport
Click to show full flight schedule
Scan through all non-stop flights from Buffalo to San Juan. The full flight schedule below gives an overview of all non-stop flights from BUF to SJU, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
San Juan is a tropical destination known for its warm climate, with temperatures between 25°C and 30°C (77°F to 86°F) throughout the year. The area is characterized by high humidity and frequent rainfall.
Being located north of the equator, San Juan experiences its dry season from November to April, making this the perfect time to visit. In this period, you can expect mostly dry conditions, while the wet season will see days of rain. Humidity and temperatures are consistently high all year long.
Currently, there is only one airline operating non-stop flights from Buffalo BUF to San Juan SJU, which is JetBlue. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their BUF SJU flight schedule.
Flights from BUF to SJU are operated 4 times a week, with an average of 1 flight per day. Departure times vary between 07:05 - 10:00. The earliest flight departs at 07:05, the last flight departs at 10:00. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Buffalo to San Juan takes 3 hours and 49 minutes. The flight distance between Buffalo and San Juan is 1,848 miles (or 2,974 km).
There are 2 airports in San Juan: Luis Muñoz Marín International Airport (SJU) and Fernando Luis Ribas Dominicci Airport (SIG).
There are 4 flights per week flying from Buffalo to San Juan (as of April 2026).
3 hours and 49 minutes is the average flight time from Buffalo to San Juan.
The distance from Buffalo to San Juan is 1,848 miles (2,974 kilometers).
JetBlue is the only airline flying nonstop from Buffalo to San Juan.
There are no alliances flying direct from Buffalo to San Juan at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Buffalo to San Juan:
The earliest flight departs at 07:05 from Buffalo and arrives at 11:38 at San Juan.
The latest flight departs at 10:00 from Buffalo and arrives at 14:55 at San Juan.
1,848 miles (2,974 km) · 3h 49m
07:10
11:05
JetBlue
B6 635
JetBlue
Airbus A320-100/200
Y
W
J
F
07:10
11:05
JetBlue
B6 635
JetBlue
Airbus A320-100/200
Y
W
J
F
07:17
11:09
JetBlue
B6 635
JetBlue
Airbus A320-100/200
Y
W
J
F
07:20
11:14
JetBlue
B6 635
JetBlue
Airbus A320-100/200
Y
W
J
F
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