Amtrak Acela Express operates a train from Newark to New Haven hourly. Tickets cost $75 - $200 and the journey takes 2 h 10 min. Alternatively, NJ Transit operates a bus from Newark to New Haven hourly. Tickets cost $1 - $4 and the journey takes 38 min. 2 other operators also service this route.
From Newark Penn Station Amtrak train to New Haven Union Station Amtrak. 2 h 10 min $169. From Newark Penn Station train to W 32 St/7 Av, bus to Grand Central, then train to New Haven. 2 h 58 min $37. From Ronald H. Brown St At Park St line 108 bus to New York, NY - Port Authority Bus Terminal then bus to New Haven, CT. 3 h 38 min $18. From Newark drive to New Haven. 1 h 43 min $10.