Islip (ISP) to Concord (USA) flights
One airline flies nonstop from Islip (ISP) to Concord (USA): Avelo Airlines. The two airports are 557 miles (897 km) apart. There are also 1 way to fly it with one stop, through Orlando.
Airlines flying nonstop from ISP to USA
- Avelo AirlinesNot in an alliance
ISP to USA with one stop
1 connection, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Orlando (MCO)Frontier Airlines, Southwest Airlines and 1 more, then Avelo Airlines
ISP to USA: common questions
Which airlines fly nonstop from ISP to USA?
Avelo Airlines flies nonstop from Islip (ISP) to Concord (USA).
How far is Islip from Concord by plane?
Islip (ISP) and Concord (USA) are 557 miles (897 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ISP to USA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ISP to USA with taxes and fees.
Where can I connect between Islip and Concord?
The most direct connections are through Orlando (MCO).
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.