How much do things cost in Porto and London? London Porto One-way Ticket (Local Transport)£2.80£1.00 Combo Meal at McDonalds or Similar£5.00£4.59 Coke/Pepsi (0.33 litre bottle)£1.11£0.92 Taxi 1hour Waiting (Normal Tariff)£24.74£14.94 1 Summer Dress in a Chain Store (Zara, H&M, ...)£31.06£25.84 Last updated on 05/03/2014 source