As the temperature drops, it signals that the holidays are right around the corner. Leaving people questioning: what is the ideal time to start planning for holiday, or even summer, vacations? If you’re already set on where you’re traveling (international or domestic), definitely opt for advanced booking. In the 2-3 month range, prices for flights may fluctuate but will stay on the lower side of the spectrum. Waiting for the one month range will leave you out of luck and emptying your pockets.