Email from Virgin describes this, and you must be a logged in user to see the deals.
"Make your next holiday or weekend getaway more memorable with this Velocity member exclusive offer and enjoy up to 30% off Business Class fares* for both eligible domestic and international flights on Virgin Australia. Be quick, this exclusive discount is valid until 29 November 2018. "
- To be eligible for this offer you must (1) be a Velocity Frequent Flyer member; (2) book an Eligible Flight through the Virgin Australia website between 12:00am 27 November 2018 and 11:59pm 29 November 2018 (Promotion Period); and (3) provide a valid Velocity membership number at the time of booking. Discount levels of 10% and 30% are applied to an Eligible Flight during the Promotion Period and cannot be used in conjunction with any other promotion. Discount is applied to the base fare only and does not apply to any other fees or charges. Discount is applied automatically at the time of booking. All fares are for instant purchase and subject to availability. If after logging into your Velocity account the discount promotion flag is not visible, a Velocity member may call the Virgin Australia Guest Contact Centre on 13 67 89 for assistance in booking an eligible fare. Blackout Periods apply. Eligible fares include Virgin Australia marketed and operated Domestic, Trans-Tasman, International Short Haul and International Long Haul Business Saver and Business fares departing from Australia for travel between 27 November 2018 and 24 October 2019 excluding Port Moresby (POM) and Honiara (HIR). Fares eligible for 30% discount are Business fares in J, C, D classes. Fares eligible for the 10% discount are Business Saver fares in I class. Blackout periods for Samoa - Apia (APW), Vanuatu - Port Vila (VLI) Tonga – Fua'amotu (TBU) and Cook Islands - Rarotonga (RAR) are as follows: 15DEC18-15JAN19, 05APR19-29APR19, 29JUN19-22JUL19 and 20SEP19-15OCT19. Blackout periods for Fiji - Nadi (NAN) are 19DEC18-15JAN19 and 11APR19-28APR19. Blackout periods for all Trans Tasman flights between Australia and New Zealand are 19DEC18-06JAN19 and 11APR19-28APR19. Prices may vary until ticketed. Add $40 for bookings made on the phone or at the airport. All payments made on the internet, on the phone or at the airport via debit/credit card are subject to a payment surcharge between 0.6% to 1.3% of the total value of the card transaction (capped at $11 per passenger per booking). A checked baggage allowance is included in your fare. Changes and cancellations incur a fee and any applicable fare difference, see Virgin Australia's Fees page for details. Name changes are not permitted. There may be limitations on your ability to cancel your booking or obtain a refund under your fares rules. However, you may be entitled to a refund under the Australian Consumer Law in certain circumstances. Check your fare rules for more information. Full terms and conditions at www.virginaustralia.com.
What are the prices?