How much do things cost in Porto and London? London is 69% more expensive than Porto London Porto Milk (regular), 1 litre£0.94£0.50 1 Pair of Nike Shoes£64.62£59.40 Domestic Beer (0.5 litre draught)£3.60£1.00 Bottle of Wine (Mid-Range)£7.00£2.92 Last updated on 05/03/2014 source