Ending today, Frontier Airlines via DealBase offers Frontier Airlines 1-Way Fares Nationwide with prices starting from $19.20. (On the DealBase landing page, click on "Frontier Airlines" in the top line to see this offer; On the following Frontier sale page, click "See more" to view these routes.) That's $9 under our mention from last week and the lowest price we could find for select routes today by at least $5. (It's also within a buck of the best prices we've seen for Frontier fares.) This price is valid for flights departing on May 6 from Cleveland, OH, (CLE) with arrival in Charlotte, NC, (CLT). This sale includes 50 routes, with flights to St. Louis, MO, (STL); Orlando, FL, (MCO); Minneapolis, MN, (MSP); and more. Book this travel deal today for travel on Tuesdays, Wednesdays, or Saturdays from May 6 through May 30.

Prices, dates, and booking details were valid at the time of publication.