San Juan to Buffalo (SJU–BUF) — Airlines, Schedules & Connections

SJU Airport Page →
1,849 mi airlines charter/private 4/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 23m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
B6634
Seat map
B6 JetBlue
320 Seat map
1:15 PM
AST TA
5:49 PM
EDT
4h 34m
—
M T W T F S S
Prices
✓
←
B6635
Seat map
B6 JetBlue
320 Seat map
6:00 AM
EDT
10:32 AM
AST
4h 32m
—
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BWI Baltimore 6h 10m F9WN → WN Baltimore (BWI) to Buffalo flights
JFK New York 6h 25m AFB6DL → AMATB6 New York (JFK) to Buffalo flights
BOS Boston 6h 27m B6DLEI → AAB6DL Boston (BOS) to Buffalo flights
FLL Fort Lauderdale 6h 28m ADB6F9 → ADB6 Fort Lauderdale (FLL) to Buffalo flights
PHL Philadelphia 6h 30m AAB6BA → AAQR Philadelphia (PHL) to Buffalo flights
MCO Orlando 6h 30m ADB6EI → ADB6F9 Orlando (MCO) to Buffalo flights
RDU Raleigh/Durham 6h 45m B6F9 → F9 Raleigh/Durham (RDU) to Buffalo flights
IAD Dulles 6h 48m ACLXJUA → AVCMSN Dulles (IAD) to Buffalo flights
TPA Tampa 7h 15m B6F9PXG → WN Tampa (TPA) to Buffalo flights
EWR Newark 7h 19m ACB6TP → CMG7OS Newark (EWR) to Buffalo flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
San Juan to Buffalo
1 carrier, 4 flights/week nonstop.
1 Airlines 1,849 mi 4h 34m nonstop

SJU–BUF is served by 1 airline with nonstop service. JetBlue leads the route. The flight covers 1,849 miles in approximately 4h 34m. Beyond nonstop, 1-stop connecting options are also available.

Also explore Choose a flight to see its seat map SJU Routes BUF Routes SJU Live Flights BUF Live Flights SJU Delays BUF Delays
All flights from Buffalo (BUF) Buffalo to San Juan flights
Carriers on this route

Airline Landscape

All carriers operating nonstop SJU–BUF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
B6 JetBlue 4 320 4h34 82% – –
Aircraft on this route
320 Airbus A320 – B6
Alliance coverage
Unaffiliated: B6 (4 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SJU to BUF direction.
Mon
1
flight
Tue
0
flights
Wed
1
flight
Thu
0
flights
Fri
1
flight
Sat
1
flight
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
4
Outbound / wk
4
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJU to BUF.
1-STOP
One-Stop Connections
18
Hubs
~6h
Fastest
~26h
Longest
BWI ~6h 10m JFK ~6h 25m BOS ~6h 27m FLL ~6h 28m PHL ~6h 30m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
633
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SJU → BUF
82%
Generally reliable. Most flights run on time.
Departing
82%
Arriving
78%
Return
BUF → SJU
78%
Generally reliable. Most flights run on time.
Departing
78%
Arriving
86%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SJU delays → BUF delays →
Alternatives

Other ways to reach Buffalo from San Juan

Nearby airports with service to Buffalo Niagara International Airport.
Metric SJU→BUF STT→BUF
Distance from SJU – 68 mi
Nonstop airlines 1 1
Weekly flights 4 –
Flight time 4h 34m 4h 4m
Departure OTP 82% –
Charlotte Amalie (STT) to Buffalo flights
Airports within 200 miles of SJU with service to Buffalo Niagara International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Buffalo is 0 hours the same as San Juan.
SJU: AST · BUF: EDT

When it's 6:00 PM in San Juan, it's 6:00 PM in Buffalo.
Distance & Flight Time
1,849 mi / 2,976 km
Nonstop flight time is approximately 4h 34m gate to gate.
Facts

SJU–BUF Quick Facts

Key statistics for the San Juan to Buffalo route.
Route details
Distance1,849 mi / 2,976 km
Flight time4h 34m
Time difference0 hours
Airlines (nonstop)1
Weekly flights4 out / 4 return
1-stop connectionsAvailable
Origin: SJU
Full nameLuis Munoz Marin International Airport
IATA / ICAOSJU / TJSJ
TimezoneAmerica/Puerto_Rico
Passengers/yr13.0M
Elevation9 ft / 3 m
Destination: BUF
Full nameBuffalo Niagara International Airport
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m
FAQ

Frequently Asked Questions

Common questions about SJU to BUF flights.
Nonstop flights from Luis Munoz Marin International Airport to Buffalo Niagara International Airport take about 4h 34m gate to gate. The route covers 1,849 miles.
1 airline operates flights from SJU to BUF: JetBlue.
This route has limited weekly service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Baltimore/Washington International Thurgood Marshall, John F. Kennedy and Boston Logan.
On a single ticket, yes. Your bags are checked through to BUF and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Yes, return flights from BUF to SJU are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include STT. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SJU to BUF

Luis Munoz Marin International Airport (SJU) and Buffalo Niagara International Airport (BUF) are connected by nonstop service from JetBlue. With 4 weekly departures, this is a regularly served route.

SJU to BUF Flight Duration and Schedule

Nonstop flight time from SJU to BUF is about 4 hours 34 minutes gate to gate. The route covers a distance of 1,849 miles (2,976 km). There are approximately 4 weekly flights outbound and 4 return, totaling 8 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Baltimore/Washington International Thurgood Marshall, John F. Kennedy and Boston Logan. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Charlotte Amalie (STT).