Compare airlines serving the Boston–Vienna market by factors including total travel time, baggage policies, alliance benefits, and in-flight service. Austrian Airlines (via European partners) offers Vienna-focused connectivity and Vienna City Experience, while Lufthansa and Swiss provide reliable one-stop connections through FRA, MUC, and ZRH with extensive Star Alliance benefits. United often partners on transatlantic legs from East Coast hubs. For November, compare price, layover duration, and loyalty program perks—use flexible search to view combined itineraries across alliances.