Log in and go here
Additional ways to make miles/cashback with groupon.
If you have a discover card get an additional 15% cashback. Log into Discovercard.com click "shop retailers" select "g" and select groupon. (must eventually pay with discover)
Or if you want air miles. Click on links, enter miles numbers, click on groupon links and get forwarded to groupon website.
Hawaiian. 8 mile/$.
Delta 12 mile/$
United 6 miles/$
US Airways 8 miles/$
American 8 miles/$