To get to Paphos from Paphos airport you can take special transfer buses (in "high season" (from April to November) route №612 is served from 7:00 to 1:00 daily (except Sunday), in the rest of the time buses go less often), as well as by cab. The cost of travel by bus is 1,5 EUR, by cab - 27-30 EUR to the center of Paphos.
There is no direct bus service between Larnaca Airport and Paphos, so you must first take the Limassol Airport Express from the air harbor to Limassol. Tickets (9 EUR - adult, 4 EUR - child) can be bought at the airport ticket office or directly from the driver. The final stop is Agios Georgios. From here buses Intercity to Paphos depart. The cost of the trip is 4 EUR. Total travel time is just under two hours.
From Larnaca Airport to Paphos can also be reached by cab. To the average fare of 0.7-0.9 EUR per 1km, you'll pay 3.5-4.5 EUR for boarding and 1.2 EUR for every 12kg of luggage. Thus, a trip from Larnaca Airport to Paphos will cost approximately 115 EUR.