PIA is offering special discounts this summer on its flights from Karachi to London and back for Economy and Business Class passengers. PIA is offering economy class low fares for Karachi–London-Karachi starting from Rs. 39,000 (excluding taxes) valid till 15th August, 2012. Business Class passengers traveling from Karachi to London and back can avail discount i.e. buy two Business Class tickets and get a discount of 40 Percent on the second ticket. If four Business class tickets are purchased together, PIA will offer the fourth ticket at a discount of 80 percent (excluding taxes). This offer is valid up till 31st July 2012. The discounts offered are applicable on travel only from Karachi to London one way and return on tickets purchased within Pakistan. PIA’s Karachi-London-Karachi flights are operated thrice a week every Wednesday, Friday and Sunday with convenient timings.