FlyerTalk Evangelist
Join Date: Jul 2005
Location: Seat 2A
Programs: AA EXP LT GLD 1MM, BA GLD, NH/UA*G, Hyatt Dia, Marr Tit LT PLT, IHG Spire,HH Dia, MGM NOIR,Hertz PC
Posts: 10,571
Sounds like the whole project will be expensive with or without 36k miles to use.
I would maybe consider to check the current fares from the UK to GIG and purchase a ticket.