The airlines depend on the small number of travelers who are buying those last-minute fares to turn a profit for them.

On some flights there are some last-minute one-way fares available for $79 and $159.

For last-minute fares, buy at the departures level in the relevant airport.

The last-minute fare costs up to $2,326, round trip.

The last-minute fare is $950 each way.

The last-minute midweek fare is $782 each way.

The last-minute fare from Charlotte to Atlanta was $786.90, according to the site.

And for a little variety, we've got some last-minute fares that rarely go on sale.

The last-minute fare is $1,212 with no restrictions.

It, too, has a cap on last-minute fares - $499 each way and no Saturday night stay requirement.