Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kerala to Moscow as you normally would.
Related info for your journey
Useful info, stats and facts about Kerala to Moscow flights.
Kochi Airport is COK and Moscow Sheremetyevo Airport is SVO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Moscow Domodedovo Airport (DME), Moscow Vnukovo Airport (VKO), Moscow Zhukovsky Airport (ZIA) are other airports near this flight route and their unique identifiers/IATA codes.