For travel professionals looking to streamline itinerary building and deliver premium experiences to clients, TPO.Travel is the ultimate B2B booking platform. Designed exclusively for tour operators, travel agents, and wholesalers, this platform simplifies the complexities of booking multi-service travel packages while ensuring quality, speed, and affordability.
From hotels and airport transfers to curated sightseeing experiences, TPO.Travel offers access to thousands of global travel services—all available for real-time booking through an intuitive interface. Whether you’re managing large group tours or arranging bespoke experiences for FIT travelers, TPO.Travel gives you full control and unbeatable convenience.
Why TPO.Travel Is the Go-To Platform for Travel Professionals
Agents across the world trust TPO.Travel for its:
- Instant account activation with free registration
- Access to exclusive B2B rates on global services
- Real-time confirmations and downloadable e-vouchers
- User-friendly platform with customizable itineraries
- Global service network, from budget options to luxury experiences
- Integrated hotel, transfer, and sightseeing bookings
This comprehensive service offering allows agents to build value-packed itineraries without switching platforms—saving time and maximizing profits.
Sightseeing Spotlight: Gray Line London Hop-On Hop-Off Tour
A staple of any London itinerary, the Gray Line Hop-On Hop-Off Bus Tour offers clients an engaging, flexible way to discover the capital’s most iconic sights. With panoramic open-top buses and multiple curated routes, this tour lets travelers explore the best of London at their own pace.
Available for booking on TPO.Travel, this sightseeing experience includes bus access, walking tours, a river cruise (on selected ticket types), and multilingual commentary. It’s the perfect offering for first-time visitors, families, or travelers with a limited schedule who want to make the most of their time in the city.
Explore London Your Way
This hop-on hop-off experience offers total flexibility. With ticket durations of 1 day, 24, 48, or 72 hours, clients can board and disembark at any stop along the route—making it easy to explore London’s attractions without stress.
From the comfort of an open-top bus, guests can take in world-famous sites like:
- Tower of London
- Big Ben
- Buckingham Palace
- London Eye
- St. Paul’s Cathedral
- 10 Downing Street
- Hyde Park
- Madame Tussauds
Thanks to frequent departures and conveniently located stops, sightseeing becomes seamless. Travelers can stop for a walk through a museum, grab lunch in Covent Garden, or watch the Changing of the Guard, then hop back on the next available bus.
Multiple Routes for a Complete City Experience
The Gray Line tour offers three carefully designed routes to ensure every corner of London is covered:
The Classic Tour (Blue Route)
This route passes through Central London and hits the most iconic landmarks, including:
- London Eye
- Tower of London
- Big Ben
- Houses of Parliament
- St. Paul’s Cathedral
- The Shard
- Harrods
- Piccadilly Circus
The Essential Tour (Red Route)
This route explores both central and northern areas of the city. Highlights include:
- Westminster Abbey
- Hyde Park
- Regent’s Park
- Madame Tussauds
- Covent Garden
- Kings Cross
- London Zoo
The Museum Tour (Orange Route)
Perfect for families and culture lovers, this route stops at:
- Natural History Museum
- Science Museum
- Victoria & Albert Museum
- Royal Albert Hall
- Harrods
- Buckingham Palace
Travelers can start from any of the clearly marked Gray Line stops, each identified with the Golden Tours branding beneath the Transport for London logo.
More Than Just a Bus Tour
In addition to the open-top sightseeing experience, selected ticket options include a one-way Thames River Cruise, offering a different perspective on the city’s famous landmarks.
Clients can choose to depart from Westminster Pier or Tower Millennium Pier, with live commentary on board. It’s an excellent way to see Tower Bridge, the Shard, and the Southbank skyline—all from the water.
Free Walking Tours Included
To elevate the experience, travelers can participate in two themed walking tours, included with select tickets:
Jack the Ripper Walking Tour
Step into the eerie streets of Victorian London with this crime-themed tour. Visit the actual sites connected to the unsolved murders and learn about the social and historical backdrop of the time.
- Duration: 1.5 hours
- Daily at 3:30 PM
- Starts opposite Tower Hill Station
Royal London Walking Tour
For those drawn to British pageantry, this tour traces the path of kings and queens, coronations, and royal secrets. Stops include:
- Buckingham Palace
- St. James’s Palace
- Westminster Abbey
- Duration: 2 hours
- Daily at 10:00 AM
- Departs near The King’s Gallery, Buckingham Palace
Operational Details
Bus Tour Schedule:
- Summer & Holidays: Every 20 minutes (Red/Blue), every 30 minutes (Orange)
- Winter: Every 30 minutes for all routes
- Operating Hours: 10 AM to 4 PM
River Cruise Schedule:
- Operated by City Cruises
- Boats depart every 30 minutes
- Duration: ~30 minutes depending on route
Note: River Cruise access is included only in specific ticket types and must be redeemed within 7 days of the bus tour.
Languages and Accessibility
All buses are equipped with multilingual audioguides, available in:
English, Spanish, French, German, Italian, Hindi, Japanese, Mandarin Chinese, Russian, Arabic, and Brazilian Portuguese.
This ensures a welcoming experience for international clients, making it easier for agents to recommend this tour to a global audience.
TPO.Travel: Designed for Agents, Built for Profitability
TPO.Travel simplifies the way professionals package and sell experiences like the Gray Line Hop-On Hop-Off Bus Tour. Agents benefit from:
- Fast, intuitive search and booking process
- Dashboard for tracking bookings and managing vouchers
- Live itinerary adjustments
- Opportunities for multi-service packaging
- 24/7 support from TPO.Travel’s dedicated team
Whether your client is looking for cultural depth, historical insight, or a relaxed introduction to London, the Gray Line tour checks every box—and it’s all available through a single, reliable platform.
This experience is ideal for:
- First-time London visitors
- Families and senior travelers
- FIT travelers needing flexibility
- Clients seeking an introduction to the city before more specialized tours
It combines value, convenience, and flexibility—making it an easy upsell for agents and a rewarding experience for travelers.
With TPO.Travel, you don’t just book services—you build unforgettable itineraries.