Cheapest one-way flights from Ontario to Ulaanbaatar in September from $534

AirHint found the following cheapest one-way flights from Ontario (ONT) to Ulaanbaatar (UBN) in September 2026 (see full year).

One-Way flights

17 Sep jetBlue
18 Sep China Airlines
08 Sep Alaska Airlines

Also check the deals for return flights from Ontario to Ulaanbaatar in September.

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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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