Travel aboard the world’s best small airline, as named by Conde Nast Traveler’s Readers’ Choice Awards, with saving up to 60% on base fares on all routes for travel through Sept. 3. Sample nonstop one-way fares, including taxes and fees, from Toronto are: Windsor … $89 Ottawa … $94 Montreal … $102 Thunder Bay … $123-$135 Quebec City … $129-$135…