It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Due to multiple factors, expect to potentially pay more when booking in May. For low rates, September can be a great choice for travel to Curacao. Flights to Curacao from Detroit in September are about $862 on average during September, but can be found for as low as $276.
It’s typically best to fly out from Detroit to Curacao in the morning. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.