Originally Posted by Tumbleweed

From DeltaNet, select IFS from the 'Departments' tab. From there select IFS bases. Select NYC. From there you will see the Crew Runner schedule. As mentioned, it is $2. The downside is that pilots are the last to board. The upside is there are very few crew members going from LGA to EWR. The next best option is to take the Airporter. It is a bus that goes between JFK, LGA and EWR. Cost I believe is $12. Otherwise you're taking the Subway to Grand Central, then the LIR to Jersey and then the Air train. It's all available from Google maps. I've done all 3.