Most major U.S. airlines and many foreign carriers offer regularly scheduled flights into New York City ’s La Guardia (LGA, Flushing, NY, 718-533-3400), John F. Kennedy (JFK, Jamaica, NY, 718/244-4444), or Newark International airports (EWR, Newark, NJ, 973/961-6000). Visit the Port Authority of New York & New Jersey website  for additional information on these airports.
Several major U.S. airlines also offer flights to other cities in the state, including Albany  (ALB, 737 Albany Shaker Road, Albany, 518/242-2200, www.albanyairport.com ), Rochester  (ROC, 1200 Brooks Ave., Rochester, 585/753-7001, www.monroecounty.gov ), Islip (ISP, 100 Arrivals Ave., Ronkonkoma, Long Island , 631/467-3210, www.macarthurairport.com ), and Buffalo  (BUF, 4200 Genesee St., Buffalo, 716/630-6000, www.buffaloairport.com ).
Bargain air fares for international travelers are often available. Most are APEX (advance purchase excursion) fares requiring advance purchase, with minimum and maximum stays.
Amtrak (800/872-7245, www.amtrak.com ) offers service between New York City ’s Pennsylvania Station and Niagara Falls , with stops in Croton-Harmon, Poughkeepsie , Rhinecliff, Hudson , Albany-Rensselaer , Schenectady , Amsterdam, Utica, Rome, Syracuse , Rochester , and Buffalo . Amtrak also travels between New York City  and Montreal, Canada, making stops in Croton-Harmon, Poughkeepsie , Rhinecliff, Hudson, Albany-Rensselaer, Schenectady , Saratoga Springs , Fort Edward-Glens Falls , Whitehall , Ticonderoga , Port Henry , Westport , Port Kent, Plattsburgh , and Rouses Point.
Metro-North (212/532-4900 or 800/638-7646, http://www.mta.info/mnr ), a commuter railroad, offers service between New York City’s Grand Central Station  and the Hudson Valley region , while the Long Island Rail Road (718/217-5477 or 516/822-5477, www.lirr.org ) offers service between New York City’s Penn Station and Long Island .
Greyhound (800/231-2222, www.greyhound.com ) offers regular bus service to major cities and popular tourist destinations throughout the state. Adirondack-Pine Hill Trailways (800/225-6815) and New York Trailways (800/295-5555) also service major cities, as well as a variety of rural areas; the two Trailways are branches of the same company (www.trailways.com ).