Southwest, AirTran in Low-Cost Airline Ad Duel. By Carter Yang. March 26, 2010 / 1:06 PM EDT / CBS ... the Southwest Airlines logo at the gate similarly blurred but easily recognizable.

First airlines cut back on in-flight food. Then they added fees to check your luggage. Now one airline is putting ads where passengers can’t avoid seeing them: on the backs of the tray tables ...

— -- For a cool $14 million, you can advertise for a year on the exterior of every Spirit Airlines jet. If that's too steep, consider plunking down $196,000 for three months of ads on the ...

Southwest's old TV ads were funny, too, like the one featuring cheerfully overweight baggage handlers extolling the beauty of free bags. Then for a brief but boring period, the airline looked like ...

It's a typical airline ad. American Airlines promotes its "super summer sale" in daily newspapers: Low one-way fares from $69 (Los Angeles to Reno) to $179 (Los Angeles to 39 Eastern cities), ...

Luggage? Got it. Boarding pass? Check. Ads on boarding pass to help beleaguered airline industry pay for expensive fuel? Check.