Seoul (ICN) to Ulaanbaatar (UBN) flights
7 airlines fly nonstop from Seoul (ICN) to Ulaanbaatar (UBN): Aero Mongolia, Asiana Airlines, Jeju Air, Korean Air, Miat - Mongolian Airlines, T´Way Air and Vladivostok Air. The two airports are 1,216 miles (1,957 km) apart. Asiana Airlines is in Star Alliance and Korean Air is in SkyTeam. There are also 6 ways to fly it with one stop, through Beijing, Beijing and Daegu and more.
Airlines flying nonstop from ICN to UBN
- M0Aero MongoliaNot in an alliance
- Asiana AirlinesStar Alliance · bookable with 11 programsWho books it
- Jeju AirNot in an alliance
- Korean AirSkyTeam · bookable with 10 programsWho books it
- OMMiat - Mongolian AirlinesNot in an alliance
- T´Way AirNot in an alliance
- XFVladivostok AirNot in an alliance
Book ICN to UBN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Korean Air
- Air Canada AeroplanBooks Asiana Airlines
- Air France-KLM Flying BlueBooks Korean Air
- Air New Zealand AirpointsBooks Asiana Airlines
- Alaska Atmos RewardsBooks Korean Air
- ANA Mileage ClubBooks Asiana Airlines
- Avianca LifeMilesBooks Asiana Airlines
- China Eastern Eastern MilesBooks Korean Air
- Delta SkyMilesBooks Korean Air
- Emirates SkywardsBooks Korean Air
- EVA Air Infinity MileageLandsBooks Asiana Airlines
- Garuda Indonesia GarudaMilesBooks Korean Air
- Korean Air SKYPASSBooks Korean Air
- Lufthansa Miles & MoreBooks Asiana Airlines
- SAS EuroBonusBooks Korean Air
- Singapore Airlines KrisFlyerBooks Asiana Airlines
- TAP Miles&GoBooks Asiana Airlines
- Thai Royal Orchid PlusBooks Asiana Airlines
- Turkish Airlines Miles&SmilesBooks Asiana Airlines
- United MileagePlusBooks Asiana Airlines
- Virgin Atlantic Flying ClubBooks Korean Air
ICN to UBN with one stop
6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Beijing (PEK)Air China the whole way
OM - Via Beijing (PKX)China Southern Airlines, China Eastern Airlines and 1 more, then Hunnu Air
MR - Via Daegu (TAE)Korean Air, then T´Way Air
- Via Busan (PUS)Korean Air, then Air Busan, Jeju Air and 1 moreBX
- Via Shanghai (PVG)Spring Airlines the whole way
+4
OM - Via Osaka (KIX)Jeju Air, Korean Air and 8 more, then Miat - Mongolian Airlines+7OM
ICN to UBN: common questions
Which airlines fly nonstop from ICN to UBN?
Aero Mongolia, Asiana Airlines (Star Alliance), Jeju Air, Korean Air (SkyTeam), Miat - Mongolian Airlines, T´Way Air and Vladivostok Air fly nonstop from Seoul (ICN) to Ulaanbaatar (UBN).
How far is Seoul from Ulaanbaatar by plane?
Seoul (ICN) and Ulaanbaatar (UBN) are 1,216 miles (1,957 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book ICN to UBN award flights?
21 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, Alaska Atmos Rewards, ANA Mileage Club, Avianca LifeMiles, China Eastern Eastern Miles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does ICN to UBN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ICN to UBN with taxes and fees.
Where can I connect between Seoul and Ulaanbaatar?
The most direct connections are through Beijing (PEK), Beijing (PKX), Daegu (TAE), Busan (PUS) and Shanghai (PVG). On 2 of them the same airline flies both flights, for example Air China through Beijing.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.