Cheapest return flights from Seoul to Ulaanbaatar in August from $577

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

Return flights

01 Aug - 11 Aug Air China
12 Aug - 19 Aug Air China
10 Aug - 14 Aug Air China
17 Aug - 21 Aug Air China
08 Aug - 12 Aug Air China
21 Aug - 24 Aug Air China
23 Aug - 26 Aug Air China
03 Aug - 07 Aug Air China
21 Aug - 31 Aug Air China
24 Aug - 31 Aug Air China
28 Aug - 03 Sep Air China
30 Aug - 06 Sep Air China

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

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