Q. Why is it that these sale fares are always so short term? Most end long before the time period I might even need to travel.

A. The airlines treat their tickets like inventory in a store. If there's a surplus or the consumer doesn't seem to be buying, they'll run a sale to decrease inventory. Depending on where you want to travel, they may hold off on putting the hot spot vacation destinations on sale to see if more people are willing to pay higher prices, especially during holiday periods or in warmer months.

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