Is Tuesday the cheapest day to buy airline tickets?

Tuesdays and Wednesdays are the cheapest days to fly. The cheapest days to depart if you're flying within the U. S. are midweek — generally Tuesday or Wednesday. The savings for economy tickets are about $85 per ticket, which is about 25% lower than peak prices on Sundays.

What day out of the week are flights cheapest?

Generally, Tuesday, Wednesday and Saturday are days FareCompare says that the cheapest days to fly are Mondays and Thursdays. Leisure travelers tend to fly on the weekends, either starting their vacations on Friday or taking a long weekend.