https://central.xero.com/s/question/0D58V00009grNGhSAM/frontier-fare-secretswhat-is-the-best-day-to-book-a-flight-on-frontier-save youmobs 4 days ago https://central.xero.com/s/question/0D58V00009grNGhSAM/frontier-fare-secretswhat-is-the-best-day-to-book-a-flight-on-frontier-save