Currently, the most affordable month to book a Air China flight from Sydney to Ulaanbaatar in November, with an average price of $954. Conversely, traveling with Air China from Sydney to Ulaanbaatar in December will be the most expensive, with an average cost of $1,305. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$1,687
February
$1,499
March
$1,476
April
$1,602
May
$1,514
June
$1,569
July
$1,533
August
$1,658
September
$1,679
October
$1,550
November
$1,458
December
$1,994
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