Wowcher also has plenty of discounted deals, with spa days for less than £100. Similarly, SpaBreaks.com has collated a whole list of spa and hotel packages with discounts in time for Valentine's Day.

The Watergate Hotel in Washington, D.C., offered a package "in commemoration of the 60th Inauguration of the President of the United States," with a starting price of $73,500 before tax.