Boston to Dublin or Shannon: $1,999
Toronto to Dublin: $2,399
Chicago to Dublin: $2,599
Washington D.C. to Dublin: $3,199
Los Angeles to Dublin: $3,599
Tickets must be purchased by March 21. Travel period is June 1 to September 1, 2017. The airline is Aer Lingus. Please keep in mind that all fares are subject to availability and may be discontinued by the airline at any time.