To qualify, agents must register each new booking for 2022 cruises made this month via the line’s Travel Agent Centre.
The incentive is valid on all of Fred Olsen’s 2022 departures, with a £20 Compliments multi-store voucher on offer for each booking made.
Geoff Ridgeon, head of sales at Fred Olsen Cruise Lines, said: "There is still plenty of time for your customers to enjoy a cruise this year, whether they are after some last-minute winter sunshine, a shorter city break or a festive getaway.
"These shopping vouchers are our small way of saying thank you to our agents for all of their support as we head into the winter season – and just in time for Christmas shopping."