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

SJU Airport Page →
1,849 mi airlines 4/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 33m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
B6634
B6 JetBlue
320
7:11 PM
AST TA
11:59 PM
EDT
4h 48m
—
M T W T F S S
Prices
✓
←
B6635
B6 JetBlue
320
7:20 AM
EDT
11:14 AM
AST
3h 54m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 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 4 Flights/wk 1,849 mi 4h 48m nonstop 52 1-stop hubs

SJU–BUF is served by 1 airline with nonstop service. JetBlue leads the route. The flight covers 1,849 miles in approximately 4h 48m. Beyond nonstop, 52 hubs offer 1-stop connections.

Also explore SJU Routes BUF Routes SJU Live Flights BUF Live Flights SJU Delays BUF Delays
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 4h48 80% – –
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
52
Hubs
~5h
Fastest
~33h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
743
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.
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 48m 4h 4m
Departure OTP 80% –
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 48m.
Facts

SJU–BUF Quick Facts

Key statistics for the San Juan to Buffalo route.
Route details
Distance1,849 mi / 2,976 km
Flight time4h 48m
Time difference0 hours
Airlines (nonstop)1
Weekly flights4 out / 4 return
1-stop connections52 hubs
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 approximately 4h 48m. The route covers 1,849 miles.
1 airline operates nonstop service: JetBlue.
There are approximately 4 nonstop flights per week from SJU to BUF. The return direction has about 4 weekly flights.
Yes, 1-stop connections are available through HPN, ALB, FRG, PSM, SUA, STT, BCT, CHS, VRB, BED, TEB, YYZ, CLE, PBI, JAX, PIE, SRQ, OPF, RSW, APF, LGA, YUL, PWK, PLS, MIA, IND, RDU, AEX, DAL, HOU, SCF, HRL, LAX, BWI, DFW, FLL, IAD, JFK, PHL, TPA, EWR, BOS, MCO, ORD, CLT, DCA, DTW, ATL, RIC, BNA, MDW and DEN. These options provide additional schedule flexibility.
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 ranges from 4 hours 48 minutes. 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

52 one-stop connections are available, with the fastest taking approximately 5 hours via HPN. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Charlotte Amalie (STT).