Instructions:Terms and Conditions: £100 off per booking: Offer valid on winter 16 and summer 17 sailings from 1st November 2016 - 31st October 2017. Offer must be selected at time of booking and applies to new bookings only made by 3rd October 2016, is subject to availability and may be withdrawn without prior notice. Please see www.thomson.co.uk or the relevant brochure for full booking terms and conditions that apply. All the flights and flight inclusive holidays are financially protected by the ATOL scheme. When you pay you will be supplied with an ATOL certificate. Please ask for it and check to ensure that everything you book (flight, hotels and other services) is listed on it.