Direct flights from Islip
18 nonstop destinations. Zero layovers, zero connections — just one hop out of ISP.
Where one hop gets you
Dashed arcs = nonstop routes from ISP · updates with the day filterDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
SouthwestWhere can you fly nonstop from Islip (ISP)?
Long Island MacArthur Airport (ISP) offers nonstop flights to 18 destinations across the United States and Canada. The busiest direct routes from ISP are served by Southwest, JetBlue, Frontier and Breeze Airways, with the most frequent nonstop service to Baltimore, Orlando and West Palm Beach.
Headed abroad without a connection? ISP has direct international flights to Ottawa. Use the day filter above to see exactly which routes fly on the day you want to travel. Route data updated October 2026 from observed departures.
Airlines and flight times at ISP
8 airlines fly nonstop out of ISP. Southwest runs the biggest operation — about 49 of the 127 weekly departures (39%), across 4 routes — followed by Breeze Airways and JetBlue.
The airlines flying nonstop out of Islip are Southwest, Breeze Airways, JetBlue, Cape Air, Frontier, Avelo Airlines, Air Canada and Advanced Air.
On 15 of Islip's 18 nonstop routes, a single airline has the service to itself — Southwest is the only airline with a nonstop to Baltimore, and Cape Air the only one to Boston.
The shortest nonstop out of ISP is Beverly at about 33m in the air; the longest is Fort Myers at about 2h41m.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.