Prices of overnight accommodation vary considerably: you can find everything from simple Bed & Breakfasts to four star hotels. You just have to pick the right one to suit your wallet. The links below should help you in your search.
The youth hostel is located in the Marzili (Weihergasse 4) district of town and is ten minute’s walk from the station.

T: +41/(0)31/311 63 16
F:+41/(0)31/312 52 40
E-Mail: info@jugibern.ch
Budget rooms / overnight accommodation can be found via this rooms and apartments exchange: http://www.sleep-in.ch
Information about life, living and celebrating in the host city Berne can be found at: http://euro08-bern.ch/
The Onlineportal for the city of Berne will help you search for accommodation predominantly in the higher price bracket.

Camping

The following camping sites are located in Berne: Eichholz and Eymatt. For more detailed information and bookings see Bern Info. It is illegal to camp elsewhere in Berne. Neither is it permitted to sleep on public roads.

Fan camp

Berne’s Fancamp provides ca. 200 people with space to sleep, relax and meet like-minded fans from all over the world. A camp shop covers all day-to-day necessities. It also offers accommodation outside of the football schedule. It is located ca. 15 km outside the town and is both public and easily accessible by car.
A free shuttle bus service will transport you from the Fan camp to the nearby S-Bahnhof Bünchenbuchsee.  From there it is a short journey into the centre of town and also to the stadium.
It costs 28.- CHF (€17,50) per night for adults and 18.- CHF (€ 11,25) for 6 to 16 year olds.
http://www.berninfo.com/de/navpage-AccBET.html
http://www.sleep-in.ch

For further information about Bern:
Click here