Main carriers on the BOS–DXB route include Emirates (nonstop service), Qatar Airways (one-stop via Doha), Turkish Airlines (one-stop via Istanbul), British Airways (one-stop via London), and partner U.S. carriers on codeshares. Emirates typically leads on nonstop frequency and wide-body comfort (A380/777 configurations), while Qatar and Turkish often provide competitive fares and convenient 24–36 hour connection windows for stopovers. When choosing airlines in December, compare seat comfort, baggage allowances, change/cancellation policies, and loyalty program availability. Keywords: "Emirates Boston to Dubai", "Qatar BOS DXB connecting", "best airline Boston to Dubai December".