It takes a month to travel freely in Europe.

The cost of free travel in Europe for one month is as follows:

1. Transportation costs: Europe has developed trains, buses, subways and other means of transportation. You can choose to buy EurailPass or city tourist card, 500- 1500 euros.

2. Accommodation costs: Accommodation costs vary greatly in Europe. You can choose different types of accommodation such as youth hostels, hotels and homestays. The average daily accommodation fee is between 30- 100 euros, and the monthly accommodation fee is between 900-3000 euros.

3. Catering expenses: The catering expenses in Europe also vary from region to region. You can choose to buy food in the supermarket and cook it yourself, or you can choose to eat it in the restaurant. The average daily catering cost is between 20-50 euros, and the monthly catering cost is between 600- 1500 euros.

4. Tickets for scenic spots: Tickets for scenic spots in Europe are different. You can refer to some travel guides or inquire for yourself. The average daily admission fee is between 10-30 euros, and the monthly ticket fee is between 300-900 euros.

5. Other expenses: including shopping, communication and travel insurance. The average daily other expenses are between 10-30 euros, and the monthly other expenses are between 300-900 euros.