Whatever you do, do not fall victim to the US Airways voucher scam. Do NOT give up your seat for vouchers, and don't expect to use them to reduce a ticket price - it doesn't work that way. The first problem is that ticket prices for voucher users are higher than the same flight booked online (you have to call to book if you're using a voucher!) And if you are using a "anywhere we fly" voucher, you can be sure there will be no seats left on the flight you want for a voucher customer. What other company can charge you... read full review »