Hidden costs add up. Watch out for "ancillary" fees like checked bags, priority access and club fees, and ticket change expenses, all of which are on the rise. Your company should have policies in place regarding all of these costs.
Plan ahead. Travel gets awfully expensive when you get within 10 days or so of your flight. If you do have to go somewhere, plan as far ahead in advance as possible. Google's new Google Flight system is one of the best fare-finding tools around. Click the bar code icon (top right corner) to see how prices are changing for travel over the next two months.
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