Early booking discounts of up to £400 per couple are being offered by Travelsphere on holidays booked before March 1.

The promotion comes as the escorted tours operator issues a new brochure with Chile among eight new options available.

The Atacama Desert and Patagonia, arguably one of the most beautiful natural environments on the planet, are included in an11-day itinerary which leads in at £3,299 per person.

A 14-day Vietnam and Temples of Angkor trip covers Vietnam and Cambodia. With a lead-in price of £1,849pp, highlights include an overnight stay in Ha Long Bay, a visit to the Cu Chi Tunnels and an exploration of the Angkor temples.

Travellers also visit one of the ways the company is giving back to the community through its Travelsphere Cares programme. The Lifestart Foundation is helping to build a kindergarten in Chansar Village and on the fourth day of the tour customers can learn the art of lantern-making during a visit to the village.

A cruise along Russia’s Volga River from Moscow to St Petersburg, a Venetian lagoon exploration and an eight-day cruise along the Valley of the Douro have been added to an expanded river cruising selection along nine rivers in ten countries.

An eight-day Beauty of the Azores tour includes visits to the islands of Sao Miguel, Faial and Pico, a boat trip in search of whales and dolphins along with a tour of the Terra Nostra Park botanical garden.

Managing director Alastair Campbell said: “The response from the trade and our customers to our unique ‘Rock Solid Guarantees,’ offering our travellers unparalleled peace of mind has been fantastic.

“We are really excited to add these eight amazing new experiences to our range of over 120 unique tours going to 65 countries.

“Our team is out on the road, supporting our trade partners and showing them why an escorted tour with Travelsphere is one of the best ways to discover the world.”