Looking to travel from London to Calabar June /July 2017

Hi , Looking to travel to Calabar next year ( three adults ) .. couple of questions please

what is the best time to travel to get the best prices ideally June /July

I want to achieve a connection flight in Lagos to Calabar the same day both ways can this be done ?

I am looking for a nice hotel to stay in Calabar .... are there any that people can recommend and is there a hotel at the airport at all?

Any help appreciated