About the most basic wedding you can have in Vegas, $50 gets you married without any of the frills at the office of the Las Vegas Marriage Commissioner. They don't supply witnesses - you'll need your own (you could always ask another couple).
Wedding Chapel Information
Address:
Las Vegas Marriage Commissioner
Commissioner of Civil Marriages
309 S. 3rd St., 1st floor
Las Vegas
Nevada
89155
Telephone:
702 671 0600
from UK: 001 702 671 0600
Maximum number of guests:
18
Website: