Flying with Aer Lingus? Everything you need to know about Aer Lingus Terminal Newark at Newark Liberty International Airport (EWR). Aer Lingus operates out of Terminal B, where the check-in counters, security, and area to sit and wait for your flight primarily reside. In addition to flying from Terminal B, you will find lots of options to eat, all of your favourite shops, and the park... https://www.airportterminalinformation.com/aer-lingus/aer-lingus-newark-liberty-international-airport-ewr-terminal/