When you're trying to stretch your travel budget, flying can be one of the trickiest parts. When should you book a flight to get the best value and make sure you're going to have the easiest trip?
CheapAir did a study of 917 million airfares and they say that between 121 - 21 days before you want to travel is the optimal time to book your flight. They also break down why fall is such a good time to travel and tips for each season. This is good information if you're thinking about vacations for later this year.