This can be the cheapest one particular-way flight price identified by a momondo user in the final 72 hours by searching for any flight from Karachi to Islamabad departing on 3/24. Fares might modify, and is probably not available for all flights or vacation dates. Click the price to refresh https://heliskidirectory.com/listings13162343/the-5-second-trick-for-flights-boston-to-london