(Full disclosure: We do not receive a referral bonus for this offer)
US Airways has increased their bonus miles from 40,000 to 50,000 miles.
Breakdown: You receive 40,000 miles after your first purchase and an extra 10,000 miles after you make a balance transfer within 90 days of starting your account.
Although they do charge a $89 annual fee, you don’t have to worry about a minimum spending limit and you also receive a 5,000 mile discount when you redeem your miles for travel. This means a trip that will cost 30,000 miles will only cost you 25,000 miles. You also receive 2 companion passes per year that starts at $99 plus taxes and fees for each traveler.