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.
Select One-Way Flights from $49. Southwest is having 3-Day Sale with Select One-Way Flights to more than 90 destinations, from $49 when you book your flight by August 4, 2016. Additionally, a $100 Southwest Airlines Gift Card (Email Delivery) is on sale for $92. August 23, 2016 through December 20, 2016, and January 5, 2017 through February 15, 2017.