If you're planning a trip to Dubai and want to save money on flights, timing is key! The cheapest time to book flights to Dubai typically falls during the off-peak seasons. These periods are usually in the summer months (May to September), when the temperatures soar, and during the shoulder seasons like late autumn and early spring. Booking in advance—around 6 to 8 weeks ahead of your travel date—can also help you secure better prices.or the best flight deals and expert travel tips, visit Flightfor Us.