Yes, Jet2.com has the IATA airline designator code LS
LS is the flight prefix used by Jet2.com, a British low-cost airline.
Jet2.com
Jet2, a British low-cost airline was founded 1978 under the name Channel Express (Air Services). In 2003 the Channel Express established the Jet2 brand from Leeds Bradford International Airport and offers contract charter and air cargo services.
Since 2003
Jet2 do not currently fly to Dublin so one can not fly from Leeds to Dublin with them. They have flights from Leeds to Cork and Belfast but not to Dublin.
The owner of Jet2.com is Philip Meeson
40 as of today
Boeing 737 or Boeing 757.
Jet2.com has the IATA airline designator code LS
Thomson and Jet2 fly the route from Manchester Airport to Venice Marco Polo Airport.
Good deals on flights to Amsterdam are relatively easy to obtain. Whilst KLM (the national airline of the Netherlands) can be quite expensive, low-cost airlines such as Ryanair and Jet2 offer some excellent deals.