They get to travel by taking messages overseas. Dear L. Air couriers get to see the world for a fraction of the cost of the standard price of an airline ticket.
Companies hire couriers to deliver packages - everything from important documents to paintings.
The companies offer low-cost tickets in exchange for the courier's luggage space. In other words, couriers have to pack light. Your friend can contact a courier company or join an organization for couriers. One of the more well-known organizations is the International Association of Air Travel Couriers. It promotes courier travel as an alternative form of transportation, a way for the general public to go oversees without the cost.