<span dir="auto" style="vertical-align: inherit;"><span dir="auto" style="vertical-align: inherit;">Generally,Best Time to Book Domestic Flights is best done 2 to 6 weeks ahead of time. Moreover, taking flights on mid-week days or traveling on early morning or late-night flights may be done at lower rates. Flighys is one such service that allows people to keep track of patterns in flight rates so that they can purchase flight tickets when rates are reduced.</span></span>