CXTHANKYOU18
Enter the code: CXTHANKYOU18 when searching for your flights and hotel packages. This code is valid until 30 September 2018 for travel between now until 30 June 2019.
When searching, remember to also select the Hotel+Flight packages option. You can also select a hotel for part of your travel period.
You put the code in after you have selected your hotels and flights on the website.