JetBlue
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Puerto Rico
Luis Muñoz Marín International Airport
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United States
Buffalo Niagara International Airport
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Scan through all non-stop flights from San Juan to Buffalo. The full flight schedule below gives an overview of all non-stop flights from SJU to BUF, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Warm Continental destinations such as Buffalo enjoy summer temperatures that fluctuate between 20°C and 28°C (68°F to 82°F), with some heatwaves leading to even hotter days. Winters are mostly cold and snowy, with average temperatures ranging from -5°C to 0°C (23°F to 32°F). Travelers can enjoy the vibrant autumn scenery, ski during the winter season, or enjoy the comfortable to warm summer months.
If you're planning a trip to Buffalo, the best time to visit is from late spring through the end of summer, when the weather is pleasantly warm from May to August. Winters can be quite cold, with frost occurring almost every month from November to March and regular snowfall. This makes the mountainous regions perfect for winter sports, offering great opportunities for a winter getaway as well!
Currently, there is only one airline operating non-stop flights from San Juan SJU to Buffalo BUF, 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 SJU BUF flight schedule.
Flights from SJU to BUF are operated 4 times a week, with an average of 1 flight per day. Departure times vary between 15:55 - 19:37. The earliest flight departs at 15:55, the last flight departs at 19:37. 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 San Juan to Buffalo takes 4 hours and 49 minutes. The flight distance between San Juan and Buffalo is 1,848 miles (or 2,974 km).
There is 1 airport in Buffalo: Buffalo Niagara International Airport (BUF).
There are 4 flights per week flying from San Juan to Buffalo (as of April 2026).
4 hours and 49 minutes is the average flight time from San Juan to Buffalo.
The distance from San Juan to Buffalo is 1,848 miles (2,974 kilometers).
JetBlue is the only airline flying nonstop from San Juan to Buffalo.
There are no alliances flying direct from San Juan to Buffalo at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from San Juan to Buffalo:
The earliest flight departs at 15:55 from San Juan and arrives at 19:43 at Buffalo.
The latest flight departs at 19:37 from San Juan and arrives at 00:25 at Buffalo.
1,848 miles (2,974 km) · 4h 49m
18:30
23:19
JetBlue
B6 634
JetBlue
Airbus A320-100/200
Y
W
J
F
19:00
23:48
JetBlue
B6 634
JetBlue
Airbus A320-100/200
Y
W
J
F
19:27
00:15
JetBlue
B6 634
JetBlue
Airbus A320-100/200
Y
W
J
F
19:37
00:25
JetBlue
B6 634
JetBlue
Airbus A320-100/200
Y
W
J
F
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