PARIS—EasyJet this summer will operate four new routes from Nice Cote d’Azur Airport in southeast France. From June 25 through Aug. 31, the UK LCC will operate twice-weekly flights from Nice to Biarritz in southwest France. It is also launching summer flights from Nice to Catania in Sicily, Italy and Chania in Crete, Greece. A twice-weekly Nice-Tel Aviv service began operating on June 5 and will continue through Oct. 27, the airline said. Nice has been one of London ...