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.
It's hard to choose, but this one is right up there in the top three: The cheapest days to fly are Tuesdays, Wednesdays and Saturdays: This is a somewhat rigid rule, but while there is a little give, there are firm structural reasons why it works.