US Airways is offering up to 100 percent bonus Dividend Miles for buying or gifting miles now through August 22, 2014. The bonus you receive is based on the amount of miles you buy or gift on a graduated scale.

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US Airways is continuing these occasional bonus miles opportunities, even in the face of its merger with American Airlines. These can be great opportunities to top off your account or enjoy a premium class of service at a discount. But is it me, or are these windows of opportunity growing shorter each time?

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Check your options here for buying or gifting miles. As always, MJ on Travel only recommends buying miles when you are topping off your account or have a very specific award opportunity in mind.

-MJ, August 6, 2014