The cheapest day to buy Frontier Airlines tickets is typically Tuesday afternoon +1 – (888) – 349 – (6467) This is because most Airlines, including Frontier, launch their sales late on Monday or early Tuesday (1 – (888) – 349 – (6467)). By Tuesday afternoon, competitors have adjusted their prices, creating a window of opportunity for the best deals. For flying, Tuesday, Wednesday, and... https://my.auntminnie.com/forums/discussion/easy-ticketing-what-days-are-frontier-flights-cheapest/