# Who flies Ulaanbaatar → Seoul (any) nonstop?

**6 airlines fly Ulaanbaatar → Seoul (any) nonstop: Aero Mongolia (ICN), Asiana Airlines (ICN), Jeju Air (ICN), Korean Air (ICN), MIAT Mongolian Airlines (ICN) and Trinity Airways (ICN seasonal).**

| Airline | Routes | Book direct |
|---|---|---|
| Aero Mongolia | Chinggis Khaan (UBN) → Incheon (ICN) | http://www.aeromongolia.mn |
| Asiana Airlines | Chinggis Khaan (UBN) → Incheon (ICN) | https://www.flyasiana.com |
| Jeju Air | Chinggis Khaan (UBN) → Incheon (ICN) | http://www.jejuair.net |
| Korean Air | Chinggis Khaan (UBN) → Incheon (ICN) | https://www.koreanair.com/ |
| MIAT Mongolian Airlines | Chinggis Khaan (UBN) → Incheon (ICN) | https://miat.com |
| Trinity Airways | Chinggis Khaan (UBN) → Incheon (ICN) (Seasonal) | https://www.trinityairways.com/app/main |

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Compare fares for UBN-ICN: [Trip.com](https://www.trip.com/flights/ulaanbaatar-to-seoul/tickets-UBN-ICN/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/UBN0911ICN1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=UBN&to=@seoul · JSON: https://picktheflight.com/intents/UBN/@seoul

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Data built 2026-10-12 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.