Baltimore's Algarve-bound travelers face a truth worth stating plainly: there is no nonstop option, so business class from Baltimore to Faro always routes through a European or East Coast hub, and the connection you choose matters more than the fare itself. My preferred routing runs via Delta's transatlantic partnership through Amsterdam or Paris on a Delta One flight—those lie-flat suites with sliding privacy doors on the A330 or A350 make the seven-plus-hour transatlantic leg genuinely restful before a short hop down to Faro on a regional partner. TAP Air Portugal, naturally, offers the most elegant single-carrier solution via Lisbon, where its A330neo business class—with generous 1-2-1 seating on the newer aircraft—gives you a taste of Portuguese hospitality (and Super Bock) before the quick 45-minute connector to Faro. British Airways routes through Heathrow, where Club Suite on the 777 or A350 delivers a proper door-enclosed pod, though I'd only choose this path if you're already looking to break up the journey with a London stopover.
The insider move here is timing your Lisbon connection deliberately: TAP's Faro flights are often narrowbody and lightly configured, so booking the earlier morning connection avoids the midday crush of leisure travelers arriving from São Paulo and other Portuguese-speaking hubs, which can clog immigration and baggage claim in Lisbon's T1. If you're transiting Heathrow instead, allow real buffer time—T5's security lines swell unpredictably in shoulder season.
Speaking of which, April, May, September, and October remain the sweet spot for this route, when the Algarve's golf and coastal tourism surges without the peak-summer premium pricing that August demands, and airline award space on Delta and TAP tends to loosen considerably. Given the routing complexity and the way fares fluctuate across three carriers and multiple hub cities, this is exactly the kind of route where setting fare alerts pays dividends—Baltimore-Faro business class pricing can shift meaningfully week to week, and catching a dip requires more vigilance than a nonstop route would.