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Use frequent flier miles
The holidays are the best times to use "peak" miles. "A lot of people forget that they can use their frequent-flier miles and buy a walk-up fare ticket, even if it's last minute," says Thomas Romary, CEO of Yapta.com. "Those 'saver' miles are sometimes available, but often they're not. If you use more of your miles, you can fly for free."
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