M60 Public Bus
$2 on metrocard leaving from 106th Street & Broadway, from 4am all day until 2:11am; at its least frequent, it runs every 30 mins; in the middle of the day it runs every 10 mins. Allow 1.5 hours for the trip.
Shuttle
Order a Airlink Shuttle through the Hostel 1 day before flight; $20. Van will come to Hostel and take you to airport.
Taxi
Request Security to call a taxi for you; from $35. Allow 45 mins for the trip, depending on traffic.
Express Bus
Take 1 downtown to Port Authority. Take the New York Airport Service Express Bus from Port Authority to LaGuardia, $12, every 20 minutes.