A pup on board a Bark Air flight. Credit: Bark Air Four-legged friends have new travel options in 2026. Bark Air, a semi-private aviation service dedicated to dogs and their owners, will expand its service throughout Europe, adding four new routes, the company shared with Travel + Leisure. The new routes will connect North America with Dublin and Stockholm starting in June and then with Athens and Berlin starting in July. “The new routes represent a major milestone for the carrier, continuing to bridge the gap between North American pet parents and European cultural hubs,” the company said in a statement shared with T+L. "Whether jet-setting pups prefer Berlin’s outdoor cafe culture or exploring Stockholm’s waterfront trails, these new European routes are perfect for solo travelers to explore the world with their dog by their side." The new routes are available to book on Bark Air's website.…