if this really is the only means of getting to the destination on the dates/times you must travel, then pay by credit card after checking that you are covered. If this is during the peak season you'll likely be ok, Sept onwards is when plugs traditionally get pulled on these ventures.
If you want to sleep at night, between now and your hols and you have an alternative, even if its a few quid more book TCX/TOM/MON/Jet2/EZY etc.
now sit back, have a cup of tea and watch as someone comes on and has a rant about P*** W****, someone else will register today and defend him with the old 'giving people jobs, hes an entrepreneur etc' he himself will register again and post some more PPRuNe gold, and then the thread will get canned by the mods.