Although Kwik Fit would not often be my first choice they sometimes have very good deals on Michelin Cross climates in particular. Although I usually buy from on-line tyre suppliers - more choice and usually cheaper - its still worth checking the major tyre fitting groups such as National tyres, who might occasionally have the same tyre on special offer, or might be willing to price match/beat a legitimate quote.
I have never actually done this, and its a bit sneaky , but the local tyre fitters I occasionally use ,who are a fitting agent for at least one on line-tyre supplier , ' tipped the wink' that they could supply and fit the same tyres cheaper if I went to them direct.