There's no elegant nonstop solution for reaching the Dodecanese from New England, which is precisely why routing strategy matters more on this itinerary than almost any other transatlantic puzzle I cover. Business class from Providence to Rhodes always requires at least one, often two connections, since T.F. Green's limited widebody service means your journey typically begins with a short domestic or regional hop before crossing the Atlantic proper. The most reliable structure I've found over multiple bookings is routing through Frankfurt or Munich on Lufthansa, then transferring to Aegean Airlines for the final leg into Rhodes International, which handles a surprising surge of European business traffic each summer. Lufthansa's Allegris business class, where available on the transatlantic sector, offers a meaningful upgrade over their older long-haul cabins, with more privacy and adjustable suite doors on select aircraft—though not every route has rolled it out yet, so it's worth checking your specific aircraft type at booking.
Alternatively, British Airways routes through London Heathrow work well if you're comfortable with a Providence-to-Boston-to-Heathrow start, connecting onward to Athens or directly to Rhodes seasonally. BA's Club Suite, with its direct-aisle access and sliding door, is a considerably more comfortable way to spend the long transatlantic segment than their older Club World cabin, and Heathrow's T5 is efficient for tight connections if you've checked bags through. My insider tip: book the Aegean connecting flight as a separate short-haul business fare when possible—Aegean's regional business product is modest, but seat 1A on the A320 family gives you guaranteed overhead space and a clear aisle, useful when arriving jet-lagged with cabin luggage. April, May, September, and October reward patient travelers, as Aegean adds frequency for shoulder-season demand while fares stay well below the July crush. Given how fragmented pricing is across three carriers and multiple hubs, setting up fare alerts for this specific city pair is genuinely the smartest way to catch the rare moments when premium inventory opens up at good value.