Providence's own runway can't reach Birmingham, so every itinerary worth booking in business class from Providence to Birmingham routes through a major East Coast gateway before crossing the Atlantic — and the fact is that Delta, American, and United all offer viable one-stop connections via their New York, Boston, or Newark hubs, with total journey times typically running eight to ten hours once you factor in the connection, despite the transatlantic leg itself clocking in around seven hours. I've routed this trip through JFK on Delta more times than I can count, and the calculus almost always favors Delta One on the widebody transatlantic segment — those suites with sliding doors on the 767 or A330 make the red-eye portion genuinely restful, which matters enormously when you land into Birmingham's compact airport already fatigued from a domestic connection. American's flights through JFK or Philadelphia into London Heathrow, paired with a short BA or codeshare hop up to Birmingham, put you in their Flagship Suite product on the long-haul stretch, while United tends to route via Newark with Polaris seating, another strong option if your PVD schedule aligns better with their departure bank.
The insider move here is to avoid connecting through London Heathrow into Birmingham on a separate short-haul ticket unless it's on the same reservation — Heathrow's congestion and the UK's domestic rail alternative (a fast Chiltern Railways or Avanti service from London into Birmingham) can actually beat a puddle-jumper flight for reliability, especially during winter fog season. Many seasoned business travelers I know deplane at Heathrow, clear immigration, and take the train onward rather than risk a tight regional connection.
Fare-wise, this corridor rewards patience: January, February, March, October, and November consistently produce the softest business class pricing as leisure demand dips and airlines discount premium cabins to fill seats before the summer surge. Given how much these fares fluctuate week to week across three competing carriers and connection points, setting up automated fare alerts for this specific city pair is the smartest way to catch a premium-cabin deal before it disappears.