To fly for less money. You can buy non-refundable Plane tickets two or three months before your trip the cheapest way to fly is as a courier. In return for delivering a package for a courier company. You get a plane ticket that costs as little as one-quarter of the regular fare - or even less if the company needs someone at the last minute. Recently, a courier flew round trip from Los Angeles to Tokyo for $100; a regular ticker cost around $1,800.