This is an interesting study on when to buy plane tickets to get the best rates.
For domestic flights, you should buy 57 days in advance.
For international flights, you should buy 171 days in advance.
http://www.bustle.com/articles/117308-wh...them-study
For domestic flights, you should buy 57 days in advance.
For international flights, you should buy 171 days in advance.
http://www.bustle.com/articles/117308-wh...them-study