Saw this on Facebook. Voucher is valid for 6 months but has quite a number of restrictions as per terms and conditions here.
https://rewards.blackmores.com.au/tcs/
The eVoucher is valid for use with one of 3 (three) offers below. To use the eVoucher bookings must be made and paid for within 6 (six) months from date of issue. An eVoucher may be used in conjunction with one of the following 3 (three) offers:
Offer #1 – $100 off your next cruise
Save $100 when you book a 7-night cruise – To redeem this offer, simply present your eVoucher to your Flight Centre consultant when you book any cruise of 7 nights or longer.
Offer #2 – $100 off your next stay
Save $100 when you spend $1000 on accommodation – To redeem this offer, simply present your eVoucher to your Flight Centre consultant when you spend $1000 or more on accommodation.
Offer #3 – $100 off your next holiday
Enjoy $100 off your holiday package – To redeem this offer, simply present your eVoucher to your Flight Centre consultant when you book your next holiday package. Holiday package must include flights and accommodation, costing $2000 or more.
So $100 off minimum $1000/1000/2000 spend?
Meh. Flight Centre's hotel / ancillary pricing has always been higher in my experience. Why wouldn't you use the rolling 16% off from CheapTickets.com?