The cheapest day to book flights on Frontier Airlines is usually Tuesdays or Wednesdays [{+ ???? ｘ ???? ???? ???? ｘ ???? ???? ???? ｘ ???? ???? ???? ????}], as these mid-week days often feature the lowest fares. Airlines tend to release discounts early in the week, making it the ideal time to secure affordable tickets [{+ ???? ｘ ???? ???? ???? ｘ ???? ???? ???? ｘ ???? ???? ???? ??... https://support.google.com/admanager/thread/333834692?hl=en&sjid=3947203180719941570-NC