Tuesday For π”½π•£π• π•Ÿπ•₯π•šπ•–π•£ π”Έπ•šπ•£π•π•šπ•Ÿπ•–π•€, Tuesday is often considered the best day to find the cheapest fares . Airlines typically update their pricing early in the week , making Tuesday a prime day to lock in lower fares before prices increase closer to the weekend.