Business Class from Seattle to Tenerife
Business class fares from Seattle to Tenerife run $2,500 to $6,200 round-trip through BestBusinessClass.com, with connections via Atlanta, London, Frankfurt, Madrid, or Paris covering the roughly 5,484-mile, 12-hour-plus journey. There's no nonstop from SEA to TFS, so every itinerary routes through a major European or US gateway, which actually works in your favor: it opens up five strong carriers and their newest cabin products instead of locking you into a single airline's schedule.
