Hop-On Hop-Off Bus Tours
Open-top sightseeing buses on a fixed loop, with a ticket valid for a day or two and audio commentary in a dozen languages. Big Bus, City Sightseeing, Gray Line and local operators run them in most major cities, often with boat routes or walking tours bundled in. They are best as transport between sights with a view, and poor value when traffic stalls the loop. Listings here record how often buses actually come, how many routes a ticket covers, whether commentary is live or recorded, and how the price compares with a day pass on the city's own public transport.
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Rome-based tour operator and ticket platform with museums, buses, food tours and catacombs across the city.
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London sightseeing company running since 1933, with guided coach, rail and small-group tours from London, Thames river-cruise combinations and resold attraction tickets
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Global experiences platform selling tours, attractions, and tickets in over 196 countries with vetted suppliers and flexible cancellation.
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Global marketplace booking hop-on hop-off bus tours and attraction combos across Europe, the Americas, Asia, Oceania and Africa.
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An online booking platform selling skip-the-line tickets and tours for museums, attractions, and activities worldwide.
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Official Barcelona tourist pass combining unlimited public transport, museum entry, and discounts across the city
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Chicago visitor guide with affiliate links to Go City passes and to local bus, boat, bike and walking tour companies.
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City pass providing admission to 90 Vienna attractions plus hop-on-hop-off buses, sold for 2 to 6 days.
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The Las Vegas arm of the Gray Line sightseeing network, running coach day trips to the Grand Canyon rims, Hoover Dam and Valley of Fire from the Strip.
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Barcelona's hop-on-hop-off bus run by the city's transport company, with a Blue and a Red route, a 16-language audio guide and guided summer night and Christmas rides.
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City Sightseeing's Belfast operator, running the open-top hop-on hop-off bus year round plus Giant's Causeway day tours, combo tickets and coach hire.
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City Sightseeing Berlin's red hop-on hop-off buses, with a 20-stop Classic loop, an East Berlin route, 13-language audio guides and combo tickets for Berlin attractions
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Open-top hop-on-hop-off bus operator with city pages from London, Paris and New York to Dubai, Muscat, Darwin and Hong Kong, plus Duck Tours and California day trips.
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Italian franchisee of the City Sightseeing brand, running red open-top hop-on hop-off buses from Milan to Palermo, now owned by Busitalia of the FS Group.
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The Prague branch of City Sightseeing, running Red and Blue Line hop-on-hop-off buses, one-hour Vltava cruises and a daily English-language Prague Castle walk.
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Hop-on-hop-off buses and guided day tours in Cape Town, Johannesburg, and Kruger Park.
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Grupo Julià's own hop-on-hop-off sightseeing buses in Madrid, Barcelona, Rome, London, Mexico City and Marrakech, plus tourist trains in Granada and San Sebastián.
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Belfast hop-on hop-off bus on a 19-stop route with live guides, plus Giant's Causeway day tours, black taxi tours, combo tickets and coach hire.
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A London sightseeing company founded in 1984 that runs its own hop-on hop-off buses and day trips, and sells Warner Bros. Studio Tour packages, attraction and theatre tickets.
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Sightseeing brand dating to 1910 whose site books hop-on hop-off buses, city tours and day trips run by its network of local operators in more than 150 locations.
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Full-service tour operator based in Rome running hop-on-hop-off buses, guided museum tours, and day trips across Italy since 1978.
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Family-founded Spanish tourism and transport group that co-operates Barcelona City Tour and owns brands such as Julia Travel, City Sailing and Gray Line San Francisco.
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The TMB Group's visitor site for Barcelona, selling the Barcelona Bus Turístic, the Hola Barcelona Travel Card, the Montjuïc Cable Car, seasonal night and Christmas bus tours and day trips.
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Los Angeles sightseeing company running its own open-air celebrity-home and half-day tours from Hollywood and Santa Monica, and also selling Big Bus hop-on hop-off tickets.
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Budapest sightseeing bus company running a 21-stop red route, a Castle Bus and a 50-minute Danube cruise, with 24, 48 and 72-hour tickets in euros.
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An independent online guide to Lisbon's hop-on hop-off bus passes, with route descriptions, directions to the main stops and links out to ticket providers.
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Independent guide and ticket-booking site for Tokyo's open-top hop-on-hop-off sightseeing buses, from Asakusa and Skytree to Ginza, Roppongi and Tokyo Tower.
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Official site of Tokyo's Sky Hop Bus, an open-top hop-on hop-off service with red, blue and green routes, 19 stops and 1-day or 2-day tickets.
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Hollywood celebrity home tours and hop-on-hop-off buses in Los Angeles since 1935.
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Hop-on hop-off sightseeing bus brand running its own green fleets in Paris and Brussels and selling bus tours in London, Rome, Barcelona, Madrid and Tuscany.
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Hop-on-hop-off wine tours from the Adelaide CBD to McLaren Vale, the Barossa Valley and the Adelaide Hills, with hourly pickups and a driver on every trail.
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Vienna operator running its own hop-on-hop-off buses since 1972, plus city tours, city passes, boat trips and day trips to Hallstatt, Salzburg, Budapest and Bratislava.
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US tour operator offering walking, bus, and private tours across New York City, Boston, Washington DC, Niagara Falls, and Philadelphia.
