Updated - The best time to buy airfare:
Bottom Line: Coming out of the first quarter of 2017 - we have updated guidance on the best time to book airfare to obtain the lowest price. The answer was/is...54 days. And the worst time to buy airfare...6+ months in advance. So it has been worthwhile to procrastinate a bit before booking airfare. This trend is expected to continue for at least the near term based on the research from CheapAir.com