When viewing Dates and Prices for your trip, you'll see some departure dates shown as 'Definite Departure'. A definite departure has reached a minimum number of guests booked and that particular departure will therefore definitely run barring any extraordinary circumstances.  The number of guests booked can fluctuate, so we can't show exact numbers. However, departures are regularly updated to show as definite. You can still go ahead and book a departure not yet marked as definite and in the scenario, this departure doesn't meet the minimum number of guests you will be offered the best alternative dates or a full refund of any payment made. We will contact you if there are any changes to your departure -definite or otherwise - that you should be aware of.