There is no nonstop path linking the Mississippi Delta to the Mediterranean's third city, which is precisely why routing strategy matters more here than on almost any other transatlantic itinerary I track. Business class from Memphis to Valencia requires a connection, and the smartest version of that journey runs through Dallas-Fort Worth or Charlotte on American Airlines metal into London Heathrow, then a same-alliance handoff to British Airways or Iberia for the final hop into VLC. American's newer Flagship Suite, with its closing door, now flies on select 777-300ER and refurbished 777-200 routes out of DFW, and it's worth checking your equipment before booking since not every transatlantic frame has been retrofitted. From Heathrow, British Airways' Club Suite — the airline's answer to the fully-enclosed seat trend, complete with a door and dedicated stowage — has become the gold standard on their European and long-haul fleet, though Valencia itself is typically served by narrowbody Club Europe rather than widebody product, so temper expectations for that short final leg.
I've routed through Madrid on Iberia often enough to have a strong preference for that connection when timing allows: Iberia's A330 and A350 business class, with lie-flat seats and Loewe-designed amenity kits, gives the journey a distinctly Spanish character before the quick regional jump to Valencia, and Barajas's T4 is one of Europe's more civilized hubs for a tight connection. My insider tip: build in at least two hours in Madrid rather than the standard 75-minute minimum connection time listed by the airlines, because immigration lines for non-Schengen arrivals can eat that buffer entirely, even for premium cabin passengers.
Shoulder season — April, May, September, and October — consistently delivers the best value on this Memphis-Valencia corridor, coinciding nicely with Las Fallas aftermath and Valencia's mild autumn light. Given how fare availability shifts week to week across three carriers and two plausible hub cities, setting up automated price alerts is the only realistic way to catch a fare dip before it disappears.