Travelers can pay Spirit Airlines $ 100 fee by paying for bags when booking flight online . There 's no end to the creativity of airlines to charge separate fees for things that used to be included in the price of a ticket , according to George Hobica , founder of Airfarewatchdog.com . Airlines will make another $ 36 million this year through ancillary fees for bags , other services . Charge for credit card usage , extra leg room and window or aisle seats are likely to continue .
Travelers can pay Spirit Airlines $ 100 fee by paying for bags when booking flight online . Airlines will make another $ 36 million this year through ancillary fees for bags , other services . Charge for credit card usage , extra leg room and window or aisle seats are likely to continue .