Generally, for domestic tickets, the best time to book is at least 2 weeks in advance, or up to 3 months in advance. For international tickets, you typically want to book at least 60-90 days in advance, or earlier if you can. That’s especially true for summer.Apr 9, 2021
In general, same-day flights are cheaper than booking in advance, but it isn’t always the case. You will be prepared for the day you need to travel, flights are cheaper because most people aren’t thinking about their travel plans yet, and perhaps most importantly, you can put it out of your mind.