While there is no best day to book flights, there are better days of the week to fly. Generally, Tuesdays and Wednesdays are the cheapest days of the week to fly. Saturday is usually the cheapest weekend day to fly. Mondays, Fridays, and Sundays are generally the most expensive days to fly.
How many days before a flight should I book?Most travel experts agree that one to three months in advance is really the soonest you should purchase airline tickets. Airlines increase prices dramatically 14 days and 7 days before departure, respectively, according to figures analyzed by FareCompare.