Answer
For what i know, ryanair is the low-cost company which operates from murcia (not mercia) to liverpool. check the site:
http://www.ryanair.com
for nov 30th (there´s no 31st in november) there´s this flight i have
checked:
jue, 30 nov 06 = (thurs. 30 nov 06)
vuelo fr9813 = (flight fr9813)
19:25 salida murcia (mjv) 19.25 = (departure murcia (mjv)
21:05 llegada liverpool (lpl) = (21.05 arrival liverpool (lpl)
hope i.ve helped