There's a particular satisfaction in landing at Gran Canaria's compact Aeropuerto de Gran Canaria after a long transatlantic haul, stepping into Canarian sunshine while your body clock insists it's still breakfast time in California. That's the reward for booking business class from San Diego to Gran Canaria, a routing that never operates nonstop — there is no direct service between these two points, so every itinerary funnels through a major European or transatlantic hub. In practice, that means connecting via Madrid on Iberia, London Heathrow on British Airways, or Frankfurt/Munich on Lufthansa, each offering a meaningfully different onward product for the LPA leg, which is typically flown on narrowbody aircraft with a regional business cabin.
My preference over dozens of bookings on this corridor is Iberia through Madrid, since Iberia's A330 and A350 business class (lie-flat seats with direct aisle access on the A350) makes the long San Diego–Madrid sector genuinely restful, and Iberia's frequent Madrid-LPA connections mean shorter layovers than routing through London or Germany. British Airways routes through Heathrow with their Club Suite on the transatlantic leg — a real step up with sliding doors and proper privacy — but Heathrow's T5 connections to Iberia or Vueling flights down to LPA can be tighter, so build in buffer time, especially in winter when Canary-bound demand spikes with sun-seeking Northern Europeans. Lufthansa via Frankfurt or Munich works well if you're loyal to Star Alliance, though their Gran Canaria connection is usually a shorter regional hop with a simpler cabin, so the real luxury is front-loaded on the transatlantic sector.
One insider trick: book the San Diego–Madrid or San Diego–London leg as a separate premium cabin ticket paired with a cheap one-way regional fare to LPA, which sometimes beats bundled fares, particularly in shoulder season. April, May, September, and October consistently deliver the best combination of value and weather, avoiding both winter's premium pricing and summer's heat. Because award space and fares on this three-airline corridor fluctuate constantly, setting up fare alerts is the smartest way to catch a favorable business class opening before it disappears.