LINK
Note: You can exchange 7750 bonus points for a $50 gift cards for BestBuy, Amazon.com, Sears, etc. via nohasslerewards.capitalone.com or $100 in travel credits.
Terms:
One-time bonus of 10,000 miles once you spend $1,000 in the first 3 months
To see how many miles you need to cover a travel expense, just add two zeros to the cost. For example, if you booked a $217 flight, you'll need 21,700 miles to cover it.