Cheapest return flights from Seoul to Ulaanbaatar in July from $293

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

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

Return flights

08 Jul - 10 Jul Jeju Air direct
07 Jul - 10 Jul Jeju Air direct
01 Jul - 10 Jul Jeju Air direct
01 Jul - 05 Jul Jeju Air direct
06 Jul - 10 Jul Jeju Air direct
07 Jul - 04 Aug MIAT Mongolian Airlines direct
05 Jul - 10 Jul Jeju Air direct
15 Jul - 22 Jul Jeju Air direct
06 Jul - 13 Jul Jeju Air direct
14 Jul - 17 Jul Jeju Air direct
06 Jul - 12 Jul Jeju Air direct
28 Jul - 02 Aug Jeju Air direct
31 Jul - 03 Aug Jeju Air direct
27 Jul - 02 Aug Jeju Air direct
31 Jul - 07 Aug Jeju Air direct
14 Jul - 04 Aug Jeju Air direct
29 Jul - 04 Aug Jeju Air direct
31 Jul - 04 Aug Jeju Air direct
27 Jul - 03 Aug Jeju Air direct
24 Jul - 03 Aug Jeju Air direct

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

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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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