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.
LAST YEARâS SWEET SPOT: 11 OR 12 WEEKS In 2009 and 2010, the cheapest airfares went to procrastinators who purchased tickets just two weeks in advance at a saving of about 8 percent. But last year, the pattern took a sudden shift, with the cheapest tickets bought much further ahead.