Q. What airfare booking sites let you see available flights and fares over a full year’s calendar rather than three days at a time?

A. The only one I know of currently is Cheapair.com, but it only works for airlines that sell their inventory over a 330-day period (that’s the approximate maximum period that any airline sells fares). However, Southwest.com, United.com, Kayak.com, Hotwire.com and some other sites show fares over consecutive 30-day periods.

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