To avoid a potential price increase, it's best to book your flight far ahead of time instead of waiting till it's closer to your trip. Google says that if you're booking a domestic flight, the prices are generally at their lowest between 21 and 60 days before your trip.
What are the advantages of buying plane tickets in advance?
What are the benefits of booking flights early? You will also not have to wait for the travel season or peak season to end so that you can plan your holidays. If you have confirmed flights, you can travel anywhere. Also, you can save money on the flight ticket purchase if you buy air tickets in advance.
Is it cheaper to buy tickets in advance?
How many days in advance should I buy a flight?
It's ideal to search for airfare at these moments: International airfare: 6 weeks ahead. Domestic airfare in summer: 47 days ahead. Domestic airfare in autumn and winter: 62–69 days ahead.
Do flight prices go down 3 weeks before flight?
While there can be a fair amount of price fluctuation several months before travel, once you get within a few weeks of your flight, that airfare is very unlikely to come down. The reality is that last-minute offers just don't come around as often as travelers may think.