Booking with Air China 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Ulaanbaatar. 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 Air China flight from Sydney to Ulaanbaatar in July, with an average price of $1,023. Conversely, traveling with Air China from Sydney to Ulaanbaatar in December will be the most expensive, with an average cost of $1,487. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
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