11.   As for taxes, the U.S. approach to air tickets is shifting.

12.   As the two scrambled in recent days to arrange air tickets and visas for the trip to New York, they pressed their conflicting claims to Lidiya.

13.   According to PhoCusWright, the online site that booked the most air tickets last year was Travelocity.com.

14.   Air tickets that self-validate when you write a PIN number on them.

15.   But the need for local customs officers to verify that the objects are leaving the European Union is satisfied by the air tickets and stubs of luggage checks.

16.   CIC Research, a public-opinion firm in San Diego, offers air tickets as a way of bribing browsers to fill out questionnaires and provide personal details.

17.   Cruise passengers, particularly those planning to sail on big ships, often automatically buy a package that includes an air ticket.

18.   For many business travelers, buying back-to-back air tickets is a time-honored way to save money.

19.   For Ticketmaster, it offers a chance to sell tickets to concerts and other entertainment events at destinations, in addition to air tickets.