Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 21% on the overall cost on flights from Cleveland to Harlingen.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Harlingen. Flights to Harlingen from Cleveland in April are about $321 on average during April, but can be found for as low as $114.