Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 89% when planning your travel around this day of the week.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Corpus Christi. Flights to Corpus Christi from Spokane in October are about $594 on average during October, but can be found for as low as $372.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Spokane to Corpus Christi as you normally would.