Airline fares will keep rising the closer you get to departure, but there is a sweet spot when the airlines begin to either lower or increase fares based on demand. Don’t wait until the last second but don’t book far, far in advance either. The best time to book your flight is around 6–8 weeks before your departure, or around three months before if you are going to your destination during their peak season.
While many theories exist around booking specifically on a Tuesday to save money, the reality is there is no consistent truth to exactly which days are cheapest to fly. Most of the time it is cheaper to leave on a weekday, though this isn't always the case. Your best strategy is to get a quick visual of prices for a whole month to see what days are cheapest for your specific route. Here's how: