NewYork Airport Service

212/875-8200, nyairportservice.com
Shuttle bus between Manhattan (Grand Central Terminal, Port
Authority, and Penn Station) and LaGuardia is $12 one way,
$21 round trip; JFK is $15/$27. Departs approximately every 30
minutes. There’s also a shuttle link between JFK and LaGuardia
7:30 a . m .–8 p. m . , $13 each way.