Departures: 13th March - 31st October. To use the promotional code when booking to get £100 off selected Greece, and Turkey Thomas Cook & Airtours package holidays, booking must be made between Midnight 13th March 2015 and midnight on 19th March 2015. To qualify, the holiday must be for a minimum value of £1000 per booking, must depart between 13th March 2015 and 31st October 2015, must be for a duration of 7-28 nights for a minimum of 2 adults, and must be booked via the Holidays tab on the Thomascook.com website or by telephoning the Thomas Cook contact centre on 0844 879 8515 only. Saving is per booking. Qualifying holiday must be a package holiday operated under the Thomas Cook and Airtours names only. Offer does not apply to Flexible trips (FDP) or Thomas Cook Signature branded holidays booked via the 'Luxury' tab. Promotional code cannot be applied retrospectively and is not combinable with any other offer. In the event of any difficulty applying the promotional code, please call 0844 879 8515 for assistance. Calls to 0844 numbers shown cost 6p per minute plus network extras. Offer can be withdrawn without notice.