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Farecast, the site that intends to predict the directions of airfares for your specific travel dates, has expanded their beta site to include many more airports.

The horizon for predictions is limited to 3 months. If you’re looking at travel dates more than 3 months ahead, you won’t get any analysis, just fares.

It’s also still a bit buggy. I had a few searches come up with no flight results, or no prediction, even though they were in the range of “legal” dates.

Predicting airfares’ direction is tricky business, since fare wars are waged by humans, not machines. Plus, fuel prices depend on a number of geopolitical factors, which I suspect aren’t part of the Farecast algorithm.

I’m wary of predictions, but the fare trend is the key. (FareCompare offes a trendline, too.) If your fare is below that trendline, just buy. Don’t worry about the prediction. If it’s below the average, it’s a good fare.

Related:
- Farecast beta goes public, just in time for a reader review
- So how accurate is Farecast?
- The traveler’s crystal ball
- Market timing: More advice on when to buy cheap plane tickets
- The black art of repricing tickets

tags: travel | Farecast