Terms & Conditions: Book with Confidence is valid for bookings across our Dover to Calais, Hull to Rotterdam and Liverpool to Dublin services for travel by 31st December 2022.Valid on bookings made by the 30th December 2022. Excludes vehicles designed for commercial use. Date of travel must be amended before original travel dates occur. Return travel must be completed before 31st December 2022. P&O Ferries will waive the cost of our amendment fee to all applicable ticket types however customers will need to pay any difference in sailing price. Bookings made under a promotion cannot be amended to dates outside of the applicable promotion period. Offer is non transferable and is subject to restricted space and availability. P&O Ferries reserve the right to amend or withdraw all elements of the promotion without prior notice. Subject to Promotional Conditions and P&O Ferries' Terms of Business, both available online at poferries.com.