This is the biggest myth of all. Airfares can change minute-by-minute and day-by-day, as can seat inventory at the lowest fares. This is especially true now that consumers can put non-refundable fares on hold for 24 hours with no-penalty cancellation. If someone buys the cheapest seat on the plane at 11 a.m. on a Thursday and cancels at 10 a.m. on Friday, that seat might go back into inventory and can be yours if you happen to be searching at 10:10 a.m. The trick to finding low airfares is to… (www.usatoday.com) 更多...