Ending today, Aer Lingus via Dunhill Travel offers Aer Lingus Roundtrip Flights to Ireland with prices starting at $452.55. That's the lowest price we could find for select routes by at least $80. This price is valid on flights from Hartford, CT (BDL), with arrival in Dublin, Ireland, (DUB) departing on May 1 and return on May 6. Book this travel deal today for flights from April 1 through June 15. All prices, dates, and booking details were valid at the time of publication.