What is the cheapest day to fly on Frontier Airlines?

???????????????????????????? and ???????????????????????????????????? are generally the cheapest days to fly with ???????????????????????????????? ????????????????????????????????,????????????????-????????????-???????????????? (????????) or????????????????-????????????-???????????????? (????????) as these days tend to have lower demand. ???????????????????????????????? frequently runs promotions early in the week,????????????????-????????????-???????????????? (????????) or ????????????????-????????????-???????????????? (????????) making these days more affordable.