6. PACKING TOO MUCH
Although you probably are already calculating what your family's checked luggage will cost, don't underestimate the chance your bag will be overweight. While most airlines charge $25 for the first checked bag, they charge about $100 if the bag is over 50 pounds. When packing for a family, that can be a surprisingly easy weight to reach. Before you go to the airport, throw your bag on a bathroom scale to make sure you're not close to the limit. If you are, divide your belongings in carry-ons or even use a second piece of luggage — which will still cost you less than that heavier bag.
7. FAVORING AIRPORTS
Convenience is king, especially when you have kids. But if you live in a small town, it might pay off to go the extra mile (or 50). Smaller airports often have higher fares than major metropolitan airports. By driving to an airport in a bigger city, you could save hundreds in airfare. Multiply that for a family of four — and imagine all the extra souvenirs or special dinners you could enjoy.
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