Originally Posted by
lrdpenn
Cheapest - yes. For the lowest cost, you can exit the airtrain at Lefferts blvd and take a bus from there (no exit fare for airtrain at Lefferts Blvd, saving you $8)
Quick - depends on where you are going, the day of week / time of day, and your threshold for quick

Flight lands 630 AM on a Tuesday.