Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to Rhode Island. Flights to Rhode Island from Corpus Christi in July are about $347 on average during July, but can be found for as low as $140.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Corpus Christi to Rhode Island as you normally would.