The data for 2026 shows that the best time to book international flights is 2 to 8 months in advance. For peak seasons like December or Summer, you should aim for the 10-month mark. Last-minute deals are increasingly rare as airlines use AI to fill every seat at a premium.
Airlines have tightened enforcement. The standard 2026 limit for most international carriers is 22 x 14 x 9 inches. Many airlines now use automated gate scanners; if your bag is even an inch over, you could be charged a "Gate Handling Fee" of up to $100.
In the Schengen zone, you can only stay for 90 days within any 180-day period. Overstaying by even a few hours can result in an immediate fine and a multi-year ban from Europe.