All right. It’s no secret that the airline industry is about as healthy as Mr. Creosote. But you wouldn’t necessarily know it by looking at the Black Hills.

Just last week, Rapid City Regional Airport announced that its advance bookings are double what they were last year. There are five airlines flying to six major hubs – Chicago, Denver, Las Vegas, Minneapolis, Phoenix and Salt Lake City. And thanks to discount carriers Frontier and Allegiant, fares are as low as they’ve ever been.

But low fares aren’t just for folks in Colorado, Nevada and Arizona. If you can book fast, you can score a pretty good deal on a complete vacation package from Northwest Airlines WorldVacations. They’re offering up to $150 off their normal Black Hills vacation packages, which include air, hotel and taxes. You can get some more details on their Black Hills special offer page, but there is a catch – you’ll need to book by April 30, which is this Wednesday.

If an NWA package isn’t up your alley, you can find plenty more at BlackHillsVacations.com. If you call in, they’ll even help you build a custom package, with everything from hotel and airfare to attraction tickets and car rentals. You can give them a ring at 866.601.5103.