Airports with non-stop flights to 100+ destinations
Airports with non-stop flights to 30+ destinations
Airports with non-stop flights to 7 to 30 destinations
Airports with non-stop flights to less then 7 destinations
Show flights within a certain date range
Show flights that depart and / or arrive between specific times
Show flights within a certain price range
Show flights operated by a specific alliance
Show flights operated by a specific airline
Show flights in a specific flight class
Show flights operated by a specific aircraft
Show flights with a min / max flight distance
Show flights with a min / max flight duration
Show direct flights, or flights with 1 or 2 stopovers
Show connecting flights with the same airline only
Where would you like to fly from?
Where would you like to fly to?
Did you mean flights from Buffalo to Islip, Long Island?
United States
Long Island MacArthur Airport
Switch direction
United States
Buffalo Niagara International Airport
At present, there are no direct flights from Islip, Long Island to Buffalo.
However, there are several flights from ISP to BUF with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from ISP to BUF, and to see what flight schedules are available.
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 that covers the full route (with 1 stopover) from Islip, Long Island ISP to Buffalo BUF, which is Southwest Airlines.
All other flights from Islip, Long Island to Buffalo are operated by a combination of multiple carriers, which are listed below:
Unfortunately, there are no alliances that cover the full route (with 1 stopover) from Islip, Long Island ISP to Buffalo BUF at this moment.
You can fly the full journey from ISP to BUF in Economy only.
For the first part of this route, flights in Economy are available only.
Again depending on your stopover airport, available classes for the second part of this route are Economy and Business Class.
In total there are 3 aircraft types that cover the full route from Islip, Long Island to Buffalo. These aircrafts are:
All other flights from Islip, Long Island to Buffalo are operated by a combination of multiple aircraft types.
The distance between Islip, Long Island and Buffalo is 326 miles (524 kilometers).
However, because there are no direct flights between ISP and BUF, the distance of the full journey varies between 500 and 945 miles (or 805 and 1,521 kilometers), depending on your stopover airport.
Flights from Islip, Long Island to Buffalo take from 2 hours and 30 minutes up to 3 hours and 27 minutes, depending on your stopover airport.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in Buffalo: Buffalo Niagara International Airport (BUF).
From 2 hours and 30 minutes up to 3 hours and 27 minutes, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between ISP and BUF, the total distance of the full journey varies between 500 and 945 miles (or 805 and 1,521 kilometers), depending on your stopover airport.
Southwest Airlines is the only airline flying the full route from Islip, Long Island to Buffalo.
Cape Air, American Airlines, JetBlue, Breeze Airways and Frontier Airlines operate several connecting flights, but only partly.
There are no alliances flying from Islip, Long Island to Buffalo at this moment.
You can fly the full route (with 1 stopover) in Economy only.
Aircraft types that fly the full route from Islip, Long Island to Buffalo (with 1 stopover):
This website is made possible by displaying online advertisements to our visitors.
Please support us by disabling your ad blocker. Or choose one of our plans.
Stay informed ↓
We donate 1% of our revenue to remove CO₂ from the atmosphere