Best Overall: Buy Changing of the Guard Ceremony Tour Tickets with Viator "Combines a tour of the famous residence and in-depth, guided information of the Changing of the Guards ceremony."

Best Budget: Buy Buckingham Palace State Rooms Tour Tickets with Viator "These extravagant rooms are home to iconic treasures from the Royal Collection."

Best Day Trip: Buy Palace and Windsor Castle Day Trip Tickets with Viator "For a double dose of the royal residences in one day."

Best Tour with Tea: Buy Palace Tour Including Afternoon Tea Tickets with Viator "Walk through beautiful St. James Park before settling in for afternoon tea with pastries."

Best Combo Tour: Buy Palace and Vintage Bus Tour of London Tickets with Viator "A sightseeing tour on a vintage, red Routemaster bus with a Thames river cruise."

Best Small Group Tour: Buy Tour for Small Groups to Buckingham Palace and State Rooms Tickets with Viator "Provides an in-depth walking tour of landmarks surrounding Buckingham Palace."

Best for Families: Buy London's Royal Private Family Tour Tickets with Viator "Includes a visit to Leinster Gardens where kids can take a break and play on the playground."

Best Palace and Parks Tour: Buy Expert Led Tour of Buckingham Palace & London's Royal Parks Tickets with Viator "Learn more about London’s famous parks."