Frontier's current Buck Fare Sale is good for travel through September 16, valid any day of the week. With taxes and fees, of course, fares start at $30 round-trip. Still an excellent price!

And you'll find plenty of routes available for travel even over the coming holiday weekend.

Avoid September 8, the lone blackout date.

Fares include:

Atlanta to Miami $30 round-trip, nonstop

Atlanta to Denver $30 round-trip, nonstop

Atlanta to Cleveland $30 round-trip, nonstop

Atlanta to Washington DC $30 round-trip, nonstop

Atlanta to Austin $30 round-trip, nonstop

Cleveland to Ft Myers $30 round-trip, nonstop

Cleveland to Orlando $30 round-trip, nonstop

Cleveland to Seattle $30 round-trip, nonstop

Miami to Philadelphia $30 round-trip, nonstop

Miami to Washington DC $30 round-trip, nonstop

Chicago to Miami $30 round-trip, nonstop

Chicago to Orlando $30 round-trip, nonstop

Chicago to Raleigh-Durham $30 round-trip, nonstop

Chicago to Salt Lake City $30 round-trip, nonstop

Houston to Philadelphia $30 round-trip, nonstop

Tampa to Trenton $30 round-trip, nonstop

Minnneapolis to Trenton $30 round-trip, nonstop

Minneapolis to Washington DC $30 round-trip, nonstop

Denver to Las Vegas $30 round-trip, nonstop

Detroit to Washington DC $30 round-trip, nonstop