Families go home, prices drop, and the crowds thin out almost overnight. September delivers domestic round trips averaging $100 less than June's peak, international fares up to 40 percent below summer highs, and national parks at a fraction of their July volume. But not every destination plays by the old rules anymore, and a few popular corners of Europe are already seeing rates climb to match growing demand. Here's exactly where the deals still hold, which parks require patience, and why the discount window is open now, not later.

The arrival experience at Cancun International Airport has fundamentally changed for 2026. Thanks to the massive rollout of automated e-gates, the days of standing in hour-long immigration lines are pretty much over. Travelers are now whizzing through federal passport control in a matter of minutes, completely transforming the first touchpoint of a Mexican vacation.

However, this incredible newfound speed has created a secondary, highly visible bottleneck. While the immigration process is now lightning-fast, it has made it much harder for the ground logistics teams to have your luggage ready by the time you breeze through to the customs hall. The usual time spent waiting in line for a border agent to stamp your passport has been eliminated. As a result, you are now hitting the baggage carousels before the ground crews have even finished offloading the aircraft.