Islip to Buffalo (ISP–BUF) — Airlines, Schedules & Connections

ISP Airport Page →
325 mi airlines 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 26 1-stop flights Verified 1w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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
Islip to Buffalo
Connecting service available through multiple hubs.
1 Flights/wk 325 mi 1h 33m nonstop 26 1-stop hubs

While no nonstop service exists between ISP and BUF, connecting options are available through 26 hubs.

Also explore ISP Routes BUF Routes ISP Live Flights BUF Live Flights ISP Delays BUF Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ISP to BUF.
1-STOP
One-Stop Connections
26
Hubs
~2h
Fastest
~25h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
296
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 Islip

Nearby airports with service to Buffalo Niagara International Airport.
Metric ISP→BUF HPN→BUF JFK→BUF
Distance from ISP – 37 mi 37 mi
Nonstop airlines 0 4 16
Weekly flights 1 1 186
Flight time 1h 33m 0h 49m 1h 21m
Departure OTP 100% – –
White Plains (HPN) to Buffalo flights · New York (JFK) to Buffalo flights · New York (LGA) to Buffalo flights
Airports within 200 miles of ISP 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 Islip.
ISP: EDT · BUF: EDT

When it's 6:00 PM in Islip, it's 6:00 PM in Buffalo.
Distance & Flight Time
325 mi / 523 km
Nonstop flight time is approximately 1h 33m.
Facts

ISP–BUF Quick Facts

Key statistics for the Islip to Buffalo route.
Route details
Distance325 mi / 523 km
Flight time1h 33m
Time difference0 hours
Airlines (nonstop)0
Weekly flights1 out / 1 return
1-stop connections26 hubs
Origin: ISP
Full nameLong Island MacArthur Airport
IATA / ICAOISP / KISP
TimezoneAmerica/New_York
Passengers/yr1.4M
Elevation99 ft / 30 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 ISP to BUF flights.
Nonstop flights from Long Island MacArthur Airport to Buffalo Niagara International Airport take approximately 1h 33m. The route covers 325 miles.
There are approximately 1 nonstop flights per week from ISP to BUF. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through HPN, TEB, YYZ, PSM, CLE, IAD, JFK, DCA, MDW, CLT, CHS, SRQ, BCT, VRB, PBI, MIA, LAS, BOS, PDX, BWI, MCO, RSW, TPA, RIC, RDU and FLL. These options provide additional schedule flexibility.
Yes, return flights from BUF to ISP are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include HPN, JFK and LGA. 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 ISP to BUF

Long Island MacArthur Airport (ISP) and Buffalo Niagara International Airport (BUF) are connected through multiple connecting hub airports.

ISP to BUF Flight Duration and Schedule

Nonstop flight time from ISP to BUF ranges from 1 hours 33 minutes. The route covers a distance of 325 miles (523 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

26 one-stop connections are available, with the fastest taking approximately 2 hours via HPN. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include White Plains (HPN), New York (JFK) and New York (LGA).