Cheapest return flights from Sydney to Ulaanbaatar in May from $817

Best time to book flights for Sydney (SYD) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest return flights from Sydney (SYD) to Ulaanbaatar (UBN) in May 2025 (see full year).

Return flights

03 May - 31 May Air China

Also check the deals for one-way flights from Sydney to Ulaanbaatar in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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