6. Paris, France
Average Cost Per Week: $1,136
Referred to by many as the most romantic city on Earth, you have to visit Paris at least once in life. If you are traveling with your significant other, then you can bump up the cost, but as the experts say, it will be worth it. While you are in Paris, a city that ranked 6th on our list of most expensive cities to spend a week in Europe, you can visit some of the most iconic places in the world like the Eiffel Tower, The Louvre museum, and Notre-Dame de Paris.