Booking with Thai AirAsia 2 days in advance of your planned departure date is, on average, the best time to get cheap flights from Singapore to Chiang Rai. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, the most affordable month to book a Thai AirAsia flight from Singapore to Chiang Rai in October, with an average price of S$ 20. Conversely, traveling with Thai AirAsia from Singapore to Chiang Rai in April will be the most expensive, with an average cost of S$ 268. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
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