The reality is that flight prices change constantly and at all hours of the day, adjusting to real-time demand.
Do flight prices go down in the afternoon?
Some experts suggest purchasing your tickets on a Tuesday afternoon, while others insist that this technique might not produce the results you're after. Buying airfare at the stroke of midnight can yield a small amount of savings, say others, but it may not always be worth it to stay up late just to book a flight.