Feel like booking a trip for travel this spring? The latest sale from Frontier has over 100 routes between $39-$97 round-trip for travel through mid-May.

Availability is limited so you must be somewhat flexible to find the lowest price. Travel days will vary by route, but fares are generally available for travel through May 9. Many routes start service the second week of April and have limited frequencies so be sure to check out the specifics in the fare details on your route.

Tickets must be booked by 11:59 pm ET on March 16, or before seats sell out.

A sample of nonstop fares include:

Atlanta to Orlando $39 round-trip

Bismark to Denver $39 round-trip

Cleveland to Raleigh $39 round-trip

Providence to Atlanta $39 round-trip

Minneapolis to Long Island-Islip, NY $39 round-trip

Detroit to Long Island-Islip, NY $39 round-trip

Philadelphia to Birmingham $39 round-trip

Philadelphia to Houston $57 round-trip

Buffalo to Raleigh $57 round-trip

Providence to Tampa $57 round-trip

Austin to New Orleans $57 round-trip

Charlotte to Philadelphia $66 round-trip

Trenton to Nashville $67 round-trip

Denver to Reno $67 round-trip

Miami to San Juan $68 round-trip

Long Island-Islip, NY to San Juan $68 round-trip

Oklahoma City to San Diego $77 round-trip

San Jose, CA to Austin $77 round-trip

Columbus to Austin $87 round-trip

Albuquerque to Orlando $87 round-trip

Detroit to Denver $97 round-trip

Cincinnati to San Antonio $97 round-trip

Seattle to Colorado Springs $97 round-trip

These fares all work in reverse and there are many more routes between $39-$97 or in the $100-$197 round-trip range as well. Keep in mind that Frontier charges extra for any bags larger than a small personal item (small backpack, purse, etc.). Pack super light to get the lowest price. Checked bag fees start at $25 each way. 

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