$106 Cheap flight deals from Boston (BOS) to San Ysidro (SAN)

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Cheap Flights From Boston to San Ysidro Through Orbitz

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Not only will you pay a low fare through Orbitz, but you can also get credit for frequent flyer miles or points. All you have to do is add your frequent flyer number in the appropriate field when you book Boston to San Ysidro flights that qualify.

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