Free $51 HotelTonight credit -EXPIRED

http://www.hoteltonight.com/customers/new -sign up and for country make sure you use United Kingdom and use promo code enter: ABB10 .

Then download the iOS or Android app and login with the information you used. Go to the main page of the app and click redeem a promo code and enter code: BOOKEUROPE. Go to the settings page of the app to switch currency from british pounds to US Dollars. -Update- the BOOKEUROPE code is expired now 🙁