https://patch.com/new-york/new-york-city/calendar/event/20250305/bb279dd2-7994-4288-9490-4d30ecab5c1a/faqs-frontier-what-day-of-the-week-are-frontier-flights-cheapestBy youmobs / March 4, 2025 https://patch.com/new-york/new-york-city/calendar/event/20250305/bb279dd2-7994-4288-9490-4d30ecab5c1a/faqs-frontier-what-day-of-the-week-are-frontier-flights-cheapest