Azul airline does not offer a co-branded credit card for US residents. You may get a travel credit card and never bother with a question of whether there is a card for your favorite airline. The miles earned are applicable for any of them! And the level of earnings is the same as on any co-branded card, sometimes more.
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All rates and fees, and other terms and conditions of the products mentioned in this article/post are actual as of the last update date but are subject to change. See the current products' Terms & Conditions on the issuing banks' websites.