Cheapest return flights from Seoul to Ulaanbaatar in May from $586

Best time to book flights for Seoul (GMP) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

06 May - 19 May Air China
01 May - 19 May Korean Air
04 May - 19 May Air China

Also check the deals for one-way flights from Seoul 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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