Yes, there are multiple flights from Poretta to Dubai International for under AED 1,836. The cheapest flight booked recently is on Multiple Airlines for just AED 1,678, but on average you can expect to pay AED 2,130.
There are no direct flights from Poretta to Dubai International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Bastia is roughly greater than that of Dubai. You can assume this to be the case over the next 9 days.
Expect the weather to be around 41 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Dubai is generally hotter than in Bastia.
For as low as AED 3,905, Air France can have you in Dubai International from Poretta in 13h 40m.
Currently priced at AED 2,950, Air France will fly you from Poretta to Dubai International and back. In addition to Air France, many other airlines offer competitively priced options for your trip.