Viking Airlines is a new airline which started operations in May 2003 operating charter flights on behalf of a number of Tour Operators in the Mediterranean. In summer 2009 Boeing 737-800s will be added to the fleet, and the airline is going to fly from London Gatwick and Manchester to 11 beautiful destinations in the Mediterranean, Canary Islands and Egypt.
Flights operated by Viking with a couple of -800s (branded 'Kiss') by the looks of it.