Groupon: The king of deal sites just launched weekly national travel deals. www.groupon.comCrowd Cut: Often has hotel deals throughout Minnesota. www.crowdcut.com

Travelzoo: Has expanded beyond aggregating airline and vacation deals to negotiating its own deals. www.travelzoo.com

Steals: The Star Tribune's daily offer sometimes includes good travel deals. steals.startribune.com

Yipit: Aggregates deals by city, and you can limit to just travel ones. www.yipit.com