American Airlines Cruises is offering up to 50,000 bonus AAdvantage miles when you book a qualifying cruise with Azamara Club Cruises. The amount of miles earned varies by stateroom category, and you’ll need to book a suite to get the full 50,000 mile bonus. Click here for itineraries along with terms and conditions. Book by April 30, 2014.

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I have used the airline cruise booking sites a few times, and have not had any issues obtaining the miles promised. Be advised that if you elect to book with AA Cruises or any of the airline cruise sites, you’ll be working with a third party travel agent. Not a problem, and in my experience, they work pretty much like any other travel agency. You just happen to collect some extra miles after you take your cruise. Prices are almost always the same as you’d pay by booking directly, though the agency may charge you a booking fee. Last time I did this, I paid $24.95, but I considered that an OK deal for the miles I received.