T&C’s: Valid on ALL Irish Sea sailings from 19 October to 6 January 2019. Must be booked online and 48 hours in advance of travel and by midnight Wednesday 24 October 2018. New bookings only. Subject to availability. Excludes: freight, bicycles, foot passengers, Sail Rail, land-bridge, inclusive holidays, next day return and other promotional fares, Tesco travel tokens or any other 3rd party arrangements. Fees for non-web bookings apply. Standard terms & conditions of booking & travel apply. Irish Ferries reserves the right to withdraw this offer at any time.