11. Volunteer to bump off
There are times when the flight is booked and some people may need to make the flight due to pressing matters. If you have no such pressing plans, volunteer to get off the plan for the other person. If you do this, the airline is bound to pay you extra cash. But make sure the deal the company is offering is worth it. Sometimes they will give you vouchers for future flights which might not fall in your traveling schedule. Take the best deal or the negotiate the best monetary deal.