The Yorkshire Evening Post has interviewed Monarch's managing director today. He mentions that they have been looking to expand into Yorkshire area for some time and have been talking to LBA for quite a while.
It looks like Monarch have further plans for growth out of LBA. As he states the following: Expect further route announcements in the “next few weeks” and said that jobs would be created, although no figures were given.
Interesting times a head, Me thinks.
Leeds-Bradford Airport announces arrival of Monarch Airlines - Business Headlines - Yorkshire Evening Post