For the cost of a burger and beer , I bought an airline ticket. That's right. I flew 667 miles, and it cost me only $10. I am always looking for a good travel deal, and when I heard about Skybus Airlines, which offers at least 10 seats on each of its flights for $10, I went online and booked a ticket. And that's the only way to buy a ticket. Skybus takes no-frills flying to a new level. Self-service is the theme here. The airline has no phone number. Passengers are encouraged to check themselves in online or at airport kiosks. About the only thing I didn't have to do was pilot the plane. First Day of Flights I decided to fly on the airline's first day of service. The airline is based in Columbus, Ohio, and all flights go through Columbus. I bought a ticket from Portsmouth, N.H., to Columbus, and then back again the next morning. Both flights were comfortable, but unfortunately, the first one was not on time. The plane left 71 minutes late. Not a great start fo