Savannah's regional jets don't fly to the Baltics, so every itinerary in business class from Savannah to Vilnius begins with a domestic connection to a major hub—and after dozens of these routings, I can tell you the choice of hub matters enormously. There is no nonstop option here: the reality is that Savannah-Hilton Head International routes through Atlanta, New York-JFK, or Newark, then across the Atlantic to a European gateway before the final leg into Vilnius, since none of the three carriers operating this corridor—Delta, American, or United—fly direct transatlantic service into Lithuania. That connection structure means total journey time typically runs well beyond the 10.5-hour transatlantic flight time alone, so building in a two-hour buffer at your connecting hub is essential, particularly at JFK or Newark during summer thunderstorm season.
My preferred routing leans on Delta through Amsterdam or Paris via its partner airlines, where Delta One's suites—complete with sliding privacy doors on the 767 and A330 fleets—make the long Atlanta-to-Europe leg genuinely restful before a shorter connecting flight into Vilnius on a partner carrier. American Airlines routes typically funnel through London Heathrow or Helsinki via oneworld partners, and their Flagship Suite on 777s and 787s remains one of the more private hard products in the American fleet, with closing doors now standard on most Flagship-equipped aircraft. United, meanwhile, often routes through Newark and Frankfurt or Brussels, and their Polaris seats—especially on the 787-9—offer excellent bedding and a reliably strong pre-departure lounge experience at Newark's Polaris Lounge, one of United's best domestic offerings.
One insider tip: booking the Savannah-to-hub segment as a separate award ticket, rather than one continuous itinerary, sometimes unlocks better business class availability on the transatlantic leg, since regional partner inventory is allocated differently. Given how thin premium inventory can be on this route, especially in peak summer months from May through September, setting up fare and award alerts well in advance is the smartest move any serious traveler can make before booking.