Frontier has dropped a few routes to just $20 each way ($39 round-trip) for winter travel.

Availability is limited so you must be somewhat flexible to find the lowest price. Sale fares are valid Tuesdays and Wednesdays through March 14, with a 7-day advance purchase required. Many routes 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 p.m. ET, February 2, or before seats sell out.

Nonstop fares include:

Salt Lake City to Las Vegas $39 round-trip

San Francisco to Las Vegas $39 round-trip

San Jose to Las Vegas $39 round-trip

Atlanta to Orlando $39 round-trip

Raleigh to Orlando $39 round-trip

Knoxville, TN to Orlando $39 round-trip

A few more routes combing the $20 one-way fare with another slightly higher fare include:

Orlando to New Orleans $49 round-trip

Cedar Rapids, IA to Orlando $54 round-trip

Austin to New Orleans $54 round-trip

San Antonio to New Orleans $59 round-trip

Albuquerque to Denver $59 round-trip

These fares all work in reverse as we well. Keep in mind that Frontier charges extra for any bags larger than a small personal item. Pack super light to get the lowest price. Checked bag fees start at $25 each way.

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