Russian airline S7 suspended flights to Europe.On Sunday afternoon U.S. time, a Moscow-New York flight by Russian national carrier Aeroflot turned back after passing over Norway, according to flight-tracking services.... The plane had been routed to fly over Canada.... They face jet-fuel prices that have climbed more than 50% since last summer, and are likely to rise further because of sanctions against Russian oil and natural gas. Airlines in the U.S. and Europe are expecting to pack planes w