Originally Posted by
volar
This looks like an off peak reward flight using the maximum cash and minimum Avios option. Being Avios rich, the OP could have chosen the maximum Avios and minimum cash option (24.250 Avios plus £0.50). However if you place a value of 1p on each Avios then the OP took the best value option here overall. I think this is very good value for a 3 5 hour CE flight to Greece given the very high cash fares.
Good value indeed, but if the OP is that avios rich then I see no reason why not use more avios and pay 50p.
Could this have been a revenue booking and paying by cash + avios?