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Find low faresSouthwest® flights from Buffalo/Niagara Falls to Long Island/Islip MacArthur from $94
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Low fares from Buffalo/Niagara Falls to Long Island/Islip MacArthur
$
Buffalo/Niagara Falls (BUF)to
Long Island/Islip MacArthur (ISP)
Depart: 04/15/2026
One-way
Basic
From
$94
Seen: 18 hrs ago
Buffalo/Niagara Falls (BUF)to
Long Island/Islip MacArthur (ISP)
Depart: 03/23/2026
One-way
Basic
From
$104
Seen: 16 hrs ago
Buffalo/Niagara Falls (BUF)to
Long Island/Islip MacArthur (ISP)
Depart: 04/04/2026
One-way
Basic
From
$109
Seen: 21 hrs ago
Buffalo/Niagara Falls (BUF)to
Long Island/Islip MacArthur (ISP)
Depart: 04/15/2026
One-way
Choice
From
$124
Seen: 18 hrs ago
Buffalo/Niagara Falls (BUF)to
Long Island/Islip MacArthur (ISP)
Depart: 03/23/2026
One-way
Choice
From
$134
Seen: 16 hrs ago
Buffalo/Niagara Falls (BUF)to
Long Island/Islip MacArthur (ISP)
Depart: 04/04/2026
One-way
Choice
From
$139
Seen: 21 hrs ago
Explore flights from Buffalo/Niagara Falls to Long Island/Islip MacArthur
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Flight Details
Departing from:
Buffalo Niagara International Airport
Arriving at:
Long Island MacArthur Airport
Distance:
326 miles
Route Information
74† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 74 weekly flights from Buffalo/Niagara Falls to Long Island/Islip MacArthur on Southwest Airlines.
To find the lowest fares by day and time to fly Buffalo/Niagara Falls to Long Island/Islip MacArthur with Southwest, check out our Low Fare Calendar.
You can rent a car at Long Island MacArthur Airport book yours with your flight.
Yes! Flights from Buffalo/Niagara Falls to Long Island/Islip MacArthur—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.