5) Use a Frequent Flyer Number
This really should go without saying, but never fly without using a frequent flyer number. Whether you take one trip a year or a dozen, it is important to enter a frequent flyer number with every purchase. If you forget to do so, you can usually call the airline and request credit for previous flights. This is especially important if you travel on your company’s expense account. In most cases, the miles collected through business travel can be used for personal trips. While most people avoid long flights, travelers with a little extra time can ramp up their miles count by choosing the longest route rather than the fastest. Depending on your schedule, you could possibly accumulate enough business miles to pay for a personal vacation.