You can readily identify an e-Passport, because it has a unique international symbol on the cover. Electronic System for Travel Authorization (ESTA) ESTA is an automated system that determines the eligibility of visitors to travel to the United States under the Visa Waiver Program (VWP). Authorization via ESTA does not determine whether a traveler is admissible to the United States.
Two to three weeks before the flight date, the price quotes start increasing. This is the time when business travelers start booking. While price drops are still possible, a chance of a price increase is much higher if you wait to book within this time period.
7.5% Increase in the number of Virgin Atlantic passengers flying Premium Economy from 2012 to 2013. $721: Average price difference between economy and premium economy tickets for a round-trip Cathay Pacific flight from Los Angeles to Hong Kong, booked at least three months in advance.