Cheapest return flights from Seoul to Ulaanbaatar in August from $585

AirHint found the following cheapest return flights from Seoul (GMP) to Ulaanbaatar (UBN) in August 2026 (see full year).

Return flights

13 Aug - 17 Aug Air China
12 Aug - 17 Aug Air China
13 Aug - 23 Aug Air China
08 Aug - 17 Aug Air China
11 Aug - 18 Aug Air China
11 Aug - 17 Aug Air China
08 Aug - 15 Aug Air China
08 Aug - 14 Aug Air China
07 Aug - 11 Aug Air China
02 Aug - 06 Aug Air China

Also check the deals for one-way flights from Seoul to Ulaanbaatar in August.

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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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