FFL Helper

FFL Helper / Buffalo / Islip

BUF → ISP

Buffalo to Islip

Compare one-way fares for flights from Buffalo to Islip.

Lowest fare $238
Distance 331 mi
Flight time 12h 24m
Airports BUF–ISP
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By month: August 2026 from $258 · September 2026 from $238

Price calendar

August 2026

From $258 · up to $279

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September 2026

From $238

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Upcoming dates

Islip ISP

$238

Sep 01, 9:29pm · 12h 24m · 1 stop

BUF → ISP · Frontier Airlines

Tickets

Islip ISP

$258

Aug 30, 9:29pm · 12h 24m · 1 stop

BUF → ISP · Frontier Airlines

Tickets

Islip ISP

$279

Aug 31, 6:54pm · 21h 53m · 2 stops

BUF → ISP · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from Buffalo to Islip. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Buffalo to Islip.