Update: Some offers mentioned below are no longer available. View the current offers here.Per View from the Wing, US Airways transitioned their fare classes over the weekend to align with American’s, but in doing so, there appeared to be some gaps that caused for a bunch of low-level Business Class award availability to be open.Currently the US Airways World Premier MasterCard is offering an increased 50,000 sign-up bonus, meaning signing up for this card could earn you a one-way Business Class award to Europe. The Citi / AAdvantage Platinum Select World Elite Mastercard is also offering a 50,000 sign up bonus as well as the, so getting either of these cards right now would make sense if you want to book some business class awards to/from Europe. The information for the Citi AAdvantage Platinum Select card has been collected independently by The Points Guy. The card details on this page have not been reviewed or provided by the card issuer.Here are some examples of the great business class availability (searching for 2 people):Philadelphia-Rome Business Class for 50,000 American AAdvantage miles:PHL-FCO for 50k each-way in Business ClassPhiladelphia-Madrid Business Class for 50,000 American AAdvantage miles:PHL-MAD for 50k each way in Business ClassCharlotte-Frankfurt Business Class for 50,000 American AAdvantage miles:CLT-FRA for 50k in Business ClassBottom LineThere’s no guarantee how long these awards will be open for so if you’re interested in booking some low-level business class awards to Europe, I’d look into this!Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.In addition, American Express Membership Rewards, recently launched a 40% bonus on transfers to British Airways through January 31, 2015, so if you’re looking for other ways to head to/from Europe, you may want to consider utilizing British Airways Avios as well though be wary of high taxes/fees.Feel free to comment below with any other great routes or award availability you were able to find.Hat Tip: View from the Wing