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Tracking Down Cheap Air Fares By SUSAN STELLIN

In general, you can often find lower fares by traveling on Tuesday or Wednesday, when planes are less crowded and cheap seats are more likely to be available....

For learning about special sales, SmarterLiving.com is a good Web site....Most of the Web specials are for travel within two weeks of purchase, so they are best for last-minute escapes, but SmarterLiving does track other airline sales.

...most Web sites don't make it easy to search for flights into or out of several airports. One that does is www.itasoftware.com, which lets you search airports at distances ranging from 25 to 300 miles of your first choice.

She also mentions Orbitz and Expedia but not travelocity. What? no commission?