Valid on all Irish Sea routes. Book online and 48hrs in advance and by midnight 22 May 2019. Travel from the 18 May up to 18 December 2019 inclusive. New bookings only. Subject to availability. Excludes: freight, bicycles, foot passengers, Sail Rail, land-bridge, next day return fares, inclusive holidays, Tesco travel tokens or any other 3rd party arrangements. Fees for non-web bookings apply. Standard terms & conditions of booking & travel apply. Offer cannot be used in conjunction with any other discount or promotion. Irish Ferries reserves the right to withdraw this offer at any time.