Ecotourism is a form of tourism, or a category of vacation similar to beach, adventure, health, or cultural, while the concept of sustainability can be applied to all types of tourism.
Best day to shop: FareCompareâs data shows that best time to book a flight in the U.S. is Tuesday at 3 p.m. eastern time. This day and time give you access to the best flight deals. Itâs when airlines release the most sales and the best time to book plane tickets. Learn more about this here. Best time-frame to shop: This varies depending on where you fly. 1  Domestic fares: The best time to buy airline tickets in the U.S. is between three months and 30 days before departure.
That's when the airlines adjust their prices to match whatever deal another airline ran on Monday. And it's still good advice. However, researchers recently found that weekends are overall the best time to buy. Also, the day you fly makes a big difference, with Tuesday being the least expensive. Sites like Matrix, Bing Travel and AirfareWatchdog can help you find cheap flights or predict when prices are going to be the cheapest.