If you are sure of your travel plans, a one-way leisure fare is $149 first class, $99 standard.

Inevitably, in such a revamping, leisure fares would need to rise, perhaps substantially.

First business travelers looked to travel on leisure fares even if it meant advance purchases and Saturday night stays.

But we don't want to continue subsidizing leisure fares, which we've been doing for years.

And if everybody paid leisure fares, we couldn't make money.

"In order to bring the crowds back, they are going to have to cut leisure fares," he said.

The new business fares are still much higher than leisure fares, which require a Saturday stay over.

Many of the lowest leisure fares, bought far in advance, cost a bit more.

But leisure fares are only available for a limited number of seats on some flights and often must be purchased several days or weeks in advance.

The major airlines raised leisure fares 4 percent on June 2.