The M0st cheapest days to fly on Frontier Airlines are typically Tuesdays, Wednesdays, and Saturdays (110%-DISCOUNT-DAY)These are considered off-peak travel days when demand is lower, leading to cheaper fares . Frontier Airlines is known for offering its cheapest flights on off-peak days, particularly on Tuesdays, Wednesdays, and Saturdays .Frontier Airlines fares are typically cheaper on Tuesdays, Wednesdays, and Saturdays, thanks to lower travel demand on these days. On the other hand, Fridays and Sundays are considered peak travel times with higher ticket prices {Book-Now}.
