Popular carrier choices for SYD to MAA itineraries in October include Singapore Airlines (via SIN), Qatar Airways (via DOH), Malaysia Airlines (via KUL), SriLankan Airlines (via CMB) and combinations with Cathay Pacific (via HKG). Singapore Airlines often provides comfortable connections and consistent service, Qatar offers strong business-class value and efficient transfers in Doha, while Malaysia Airlines and SriLankan can provide competitive pricing and shorter layover windows for some schedules. Compare total journey time, baggage allowance and onboard service when selecting an airline for October travel, and factor in loyalty program perks if you frequently travel on the route.