There's no nonstop metal linking Newark and Alicante, which means every business class from Newark to Alicante itinerary runs through a European hub—and after dozens of trips on this corridor, I can tell you the routing you choose matters as much as the seat. Iberia funnels traffic through Madrid, where its long-haul A330s and A350s feature the reverse-herringbone seat with direct aisle access, a natural fit given Alicante is a short domestic hop from the Spanish capital. British Airways, meanwhile, connects via London Heathrow, and depending on aircraft assignment you'll find either the newer Club Suite with its sliding door and forward-facing bed on the 787 and A350 fleet, or the older Club World cradle seat on 777s and A380s—worth checking your specific flight number before booking. Lufthansa routes through Frankfurt or Munich, offering its long-haul business class flat-bed seating, with select aircraft now transitioning to the Allegris cabin, though rollout to all Newark-bound frames remains uneven.
My strong preference on this corridor is the Iberia-via-Madrid path: Iberia's Madrid-Barajas hub has efficient connections and the domestic-to-international transfer avoids the security theater you'd face rerouting through Heathrow's T5, which can eat 90 minutes if you're unlucky with immigration queues. An insider trick few travelers use: booking the Iberia flight that overnights briefly in Madrid rather than a tight same-day connection gives you access to the Iberia Business Lounge's proper Spanish tapas spread and a shower before the final 45-minute puddle-jump to Alicante—far more civilized than a frantic transfer.
Seasonally, April, May, September, and October are your sweet spot, sitting just outside the peak Costa Blanca summer crush when both leisure demand and fares spike. Because award and discounted business fares on this EWR–ALC corridor fluctuate with hub-specific promotions from Iberia, British Airways, and Lufthansa rather than moving in unison, setting up automated fare alerts is the smartest way to catch a fare dip before it disappears.