How much do things cost in Porto and Honolulu? Honolulu is 64% more expensive than Porto Honolulu Porto Bottle of local beer (0.5 liter)$2.42$1.14 One-way ticket (local transport)$2.50$1.95 Cheap meal$12.00$6.71 Cappuccino$4.40$1.21 Last updated on 07/21/2014 source