Cheap LGA to Portsmouth flights
Popular Flights from New York, New York
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Popular Flights from Portsmouth, Massachusetts
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LGA to PSM Route Map
New York to Portsmouth Flights, Stats and Airplanes
Route information for flights from LaGuardia to Portsmouth Intl..
LGA - LaGuardia Airlines
Browse the most popular airlines servicing the New York (LGA) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.