The fare, which requires a 21-day advance purchase, was reduced from $427.

The least expensive fare is $251, which requires a 21-day advance purchase and a Saturday stay over.

A 14-day advance purchase can range from $293 to $562 round trip.

The least expensive fare requires a 21-day advance purchase and a Saturday stay over at $246.

A 14-day advance purchase and a Saturday-night stay are required.

Something to consider for next winter is the advance purchase of fuel oil.

On the other hand, they rarely require advance purchase or a Saturday stay.

There are no advance purchase or minimum-stay requirements, for example.

They require a 14-day advance purchase and a Saturday night stay.

But the requirement for advance purchase or Saturday night stay would have to be met again.