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If you’re looking for a cheap weekend trip to help make the most of your summer, Frontier Airlines may have your answer.

The low-fare air carrier is offering a host of flight deals under $50. But you have to act fast: The flights must be booked by Wednesday, Aug. 2.

Travelers can snag flights for as little as $29, with routes including Cincinnati to Atlanta, Nashville to Orlando, Salt Lake City to Denver, and others around the country.

The flights are available any time between Aug. 4 and Aug. 30, so you’ll need to make use of them before the summer is over. The lowest of the low prices are only available to members of Frontier’s Discount Den program. And while there are several tiers of low prices — $29, $34, $39, $44 and $49 — availability is limited so you may need to hunt around to find a date with the best price.

Before you jump on these tickets, be sure you know what you’re getting. Like Spirit Airlines, the Frontier method involves cheap flights but extra fees for almost all other amenities. That means you might need to pay for things like a reserved seat, carry-on luggage and drinks on the plane.

Still, you’ll be getting some cheap flights. We’ve rounded up a list of routes featuring the lowest fares — $29 — below. You can find the rest of the flights on the Frontier website.

Atlanta to Cincinnati

Atlanta to Cleveland

Bismarck to Denver

Cincinnati to Atlanta

Cleveland to Atlanta

Denver to Omaha

Denver to Kansas City

Denver to Bismarck

Denver to Salt Lake City

Indianapolis to Orlando

Kansas City to Denver

Nashville to Orlando

New Orleans to Orlando

Omaha to Denver

Orlando to New Orleans

Orlando to Indianapolis

Orlando to Nashville

Orlando to Pittsburgh

Pittsburgh to Orlando

Salt Lake City to Denver