Cheapest return flights from Seoul to Ulaanbaatar in March from $200

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

Return flights

31 Mar - 05 Apr Jeju Air direct
31 Mar - 02 Apr Jeju Air direct
15 Mar - 19 Mar Jeju Air direct
10 Mar - 24 Mar Jeju Air direct
19 Mar - 24 Mar Jeju Air direct
12 Mar - 15 Mar Jeju Air direct
17 Mar - 19 Mar Jeju Air direct
10 Mar - 19 Mar Jeju Air direct
10 Mar - 15 Mar Jeju Air direct
12 Mar - 24 Mar Jeju Air direct
12 Mar - 17 Mar Jeju Air direct
17 Mar - 26 Mar Jeju Air direct
29 Mar - 02 Apr Jeju Air direct
31 Mar - 14 Apr Jeju Air direct
28 Mar - 05 Apr Asiana Airlines direct
27 Mar - 02 Apr Korean Air direct
29 Mar - 03 Apr Korean Air direct
14 Mar - 13 Apr Korean Air direct
07 Mar - 04 Apr Korean Air direct

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

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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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