Yep, Cosmos are selling Mauritius in their Distant Dreams brochure for next summer.
Outbound:
Departs Newcastle on Fridays at 11:50.
Arrives Mauritius on Saturdays at 05:05.
Inbound:
Departs Mauritius on Saturdays at 09:40.
Arrives Newcastle on Saturdays at 21:55.
Great news! Presume MON will be operating, I will be very suprised if it doesn't route via somewhere like GLA/MAN enroute, but still a great development!