To officially "visit" Big Ben—meaning a guided tour inside the Elizabeth Tower to see the bell—the cost in 2026 is £35 for adults and £20 for children (ages 11–17). These tickets are notoriously difficult to obtain and must be booked months in advance through the official UK Parliament website. For those who simply want to see the landmark from the outside, it is completely free. You can walk across Westminster Bridge or stand in Parliament Square for the iconic photos without paying a penny. If you want a more "curated" experience without going inside the tower, many private tour operators offer walking tours of Westminster that include Big Ben, the Houses of Parliament, and Westminster Abbey for roughly $55 to $100 USD per person. These tours provide historical context and access to the Abbey, but only the official Parliament tour allows you to climb the 334 steps to the belfry to stand next to the 13.7-ton bell itself.