Ulaanbaatar (Sergelen) to Seoul (UBN–ICN) — Airlines, Schedules & Connections

UBN Airport Page →
1,216 mi airlines 3/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 11h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
7C5204
7C Jeju
738
3:15 PM
+08
7:25 PM
KST
3h 10m
M T W T F S S
Prices
7C5203
7C Jeju
738
11:30 AM
KST TT1
2:15 PM
+08
3h 45m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Ulaanbaatar (Sergelen) to Seoul
1 carrier, 3 flights/week nonstop.
1 Airlines 3 Flights/wk 1,216 mi 3h 10m nonstop +1h ahead 2 1-stop hubs

UBN–ICN is served by 1 airline with nonstop service. Jeju Air leads the route. The flight covers 1,216 miles in approximately 3h 10m. Beyond nonstop, 2 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop UBN–ICN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
7C Jeju Air 3 738 3h10
Aircraft on this route
738 Boeing 737-800 – 7C
Alliance coverage
Unaffiliated: 7C (3 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, UBN to ICN direction.
Mon
0
flights
Tue
1
flight
Wed
0
flights
Thu
1
flight
Fri
0
flights
Sat
0
flights
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
3
Outbound / wk
3
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for UBN to ICN.
1-STOP
One-Stop Connections
2
Hubs
~17h
Fastest
~22h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
177
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Seoul is 1 hour ahead of Ulaanbaatar (Sergelen).
UBN: +08 · ICN: KST

When it's 6:00 PM in Ulaanbaatar (Sergelen), it's 7:00 PM in Seoul.
Distance & Flight Time
1,216 mi / 1,957 km
Nonstop flight time is approximately 3h 10m.
Getting from ICN

AREX Direct Train to Seoul Station (43 min, ₩11,000) is a reserved-seat express. The All-Stop train serves Hongik University, City Hall, and other inner-city stations (66 min, ₩4,550). T2 passengers board at a dedicated T2 stop before T1; don't exit early. City Check-in at Seoul Station allows bag drop and boarding pass printing before the train for select airlines.Limousine buses serve major hotel zones and neighborhoods (₩16,000–18,000). Taxis from ICN to central Seoul cost ₩65,000–90,000; use only official orange (general) or black (deluxe) cabs from the designated stands. KakaoTaxi (ride-hail) operates from the airport.

Seoul Climate

Humid continental climate. Winters are cold and dry (−8 to 2°C, December–February) with occasional snow and wind chill. ICN handles snow well, though heavy falls delay operations. Summer monsoon (Changma) runs late June through July with heavy continuous rain. Typhoons can affect operations August–September with short notice.

Spring brings Yellow Dust (hwangsa) from China. Fine particulate storms reduce visibility and occasionally disrupt flights in March–April. Autumn (October–November) is the best flying season: clear skies, low humidity, 8–18°C. Pack layers for spring and fall. Summer is hot and humid (25–32°C).

UBN–ICN Quick Facts

Key statistics for the Ulaanbaatar (Sergelen) to Seoul route.
Route details
Distance1,216 mi / 1,957 km
Flight time3h 10m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights3 out / 3 return
1-stop connections2 hubs
Origin: UBN
IATA / ICAOUBN / ZMCK
TimezoneAsia/Ulaanbaatar
Elevation4,482 ft / 1,366 m
Destination: ICN
IATA / ICAOICN / RKSI
TimezoneAsia/Seoul
Passengers/yr71.2M
Elevation23 ft / 7 m

Frequently Asked Questions

Common questions about UBN to ICN flights.
Nonstop flights from Ulaanbaatar Chinggis Khaan International Airport to Incheon International Airport take approximately 3h 10m. The route covers 1,216 miles.
1 airline operates nonstop service: Jeju Air.
There are approximately 3 nonstop flights per week from UBN to ICN. The return direction has about 3 weekly flights.
Yes, 1-stop connections are available through HKG and PEK. These options provide additional schedule flexibility.
Seoul is 1 hour ahead of Ulaanbaatar (Sergelen).
Yes, return flights from ICN to UBN are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from UBN to ICN

Ulaanbaatar Chinggis Khaan International Airport (UBN) and Incheon International Airport (ICN) are connected by nonstop service from Jeju Air. With 3 weekly departures, this is a regularly served route.

UBN to ICN Flight Duration and Schedule

Nonstop flight time from UBN to ICN ranges from 3 hours 10 minutes. The route covers a distance of 1,216 miles (1,957 km). There are approximately 3 weekly flights outbound and 3 return, totaling 6 flights per week in both directions.

Connecting Options and Alternatives

2 one-stop connections are available, with the fastest taking approximately 17 hours via HKG. Two-stop connections are also available via intermediate hubs.