However, a limited number of tickets are available through tour operators.

A number of Western airlines fly to Iran, and tickets can be booked through tour operators.

All three main styles of accommodation are available through tour operators.

Diving trips, desert excursions and mountain treks can be easily arranged through local tour operators.

Double room rates are $300 but most rooms are booked at discounts through tour operators.

Skiing and showboarding equipment can be hired through tour operators in Manali.

You are advised to use reputable companies when booking trips through tour operators.

Tours of the factory can be arranged through local tour operators.

Demand is high and flights are most easily booked through tour operators, who charge around £275 for return flights.

Reservations made through travel agents, tour operators or certain companies are usually subject to special rates and commissions.