how long should you wait before buying an airline ticket
It adds up to a database of 1.3 billion air fares — and a serious headache for those who were tasked with making sense of it! The simple answer is that in 2013 the best time to buy a domestic airline ticket was 54 days in advance, or 7 1/2 weeks on average. But before you send yourself a calendar invite 54 days before your next trip, read on; there is a lot more to the story.
Book at least eight weeks in advance. For domestic routes, the lowest fares are usually found 50 to 100 days before departure, with the absolute lowest fares found about 57 days prior, according to a study by Expedia and the Airlines Reporting Corporation (ARC).