CALGARY — Edmonton-based discount carrier Flair Airlines is expanding yet again, this time launching service to Mexico. Flair — which bills itself as an ultra-low-cost carrier offering unbundled, bare-bones fares to budget-conscious travellers — announced Tuesday it will begin non-stop flights this winter to Cancun and Los Cabos, Mexico, from Vancouver, Abbotsford, Edmonton, Ottawa and Kitchener-Waterloo. “Expanding internationally is really something that’s core to our growth strategy moving fo