Leaving on a Friday 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 63% on the overall cost on flights from La Guardia to Harlingen.
One of the essential ways to save on airfare from La Guardia to Harlingen is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 20% on airfare.